Merge pull request #6600 from thinkyhead/bugfix_first_fixes

Update git helper scripts, config comments

Marlin/Configuration.h

 #define PREHEAT_2_TEMP_BED    110
 #define PREHEAT_2_FAN_SPEED     0 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 //#define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/Marlin_main.cpp

  */
 inline void _commit_command(bool say_ok) {
   send_ok[cmd_queue_index_w] = say_ok;
-  cmd_queue_index_w = (cmd_queue_index_w + 1) % BUFSIZE;
+  if (++cmd_queue_index_w >= BUFSIZE) cmd_queue_index_w = 0;
   commands_in_queue++;
 }
 
     // The queue may be reset by a command handler or by code invoked by idle() within a handler
     if (commands_in_queue) {
       --commands_in_queue;
-      cmd_queue_index_r = (cmd_queue_index_r + 1) % BUFSIZE;
+      if (++cmd_queue_index_r >= BUFSIZE) cmd_queue_index_r = 0;
     }
   }
   endstops.report_state();

Marlin/example_configurations/Cartesio/Configuration.h

 #define PREHEAT_2_TEMP_BED    110
 #define PREHEAT_2_FAN_SPEED     0 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 #define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/Felix/Configuration.h

 #define PREHEAT_2_TEMP_BED    100
 #define PREHEAT_2_FAN_SPEED   255 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 //#define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 //#define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/Felix/DUAL/Configuration.h

 #define PREHEAT_2_TEMP_BED    100
 #define PREHEAT_2_FAN_SPEED   255 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 //#define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 //#define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/FolgerTech-i3-2020/Configuration.h

 #define PREHEAT_2_TEMP_BED    110
 #define PREHEAT_2_FAN_SPEED     0 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 #define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 #define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/Hephestos/Configuration.h

 #define PREHEAT_2_TEMP_BED    100
 #define PREHEAT_2_FAN_SPEED   255 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 //#define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 #define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 #define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/Hephestos_2/Configuration.h

 #define PREHEAT_2_TEMP_BED    110
 #define PREHEAT_2_FAN_SPEED     0 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 #define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 10 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 #define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   //#define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 #define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 #define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 #define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/K8200/Configuration.h

 #define PREHEAT_2_TEMP_BED     60 // K8200: ABS / set back to 110 if you have an upgraded heatbed power supply
 #define PREHEAT_2_FAN_SPEED     0 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 #define PRINTCOUNTER
 
 //=============================================================================
 // K8200: for Display VM8201 with SD slot
 #if ENABLED(K8200_VM8201)
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE // K8200: for Display VM8201 // this is the most common hardware
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 #define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 #define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/K8200/README.md

 
 * updated manually with parameters from genuine Vellemann Firmware "firmware_k8200_marlinv2" based on the recent development branch
 
-* VM8201 uses "DISPLAY_CHARSET_HD44870_JAPAN" and "ULTIMAKERCONTROLLER"
+* VM8201 uses "DISPLAY_CHARSET_HD44870 JAPANESE" and "ULTIMAKERCONTROLLER"
 * german (de) translation with umlaut is supported now - thanks to @AnHardt for the great hardware based umlaut support
 
 I [@CONSULitAS](https://github.com/CONSULitAS) tested the changes on my K8200 with 20x4-LCD and Arduino 1.6.12 for Mac (SD library added to IDE manually), 2016-11-18 - everything works well.

Marlin/example_configurations/K8400/Configuration.h

 #define PREHEAT_2_TEMP_BED      0
 #define PREHEAT_2_FAN_SPEED   165 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 #define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 #define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/K8400/Dual-head/Configuration.h

 #define PREHEAT_2_TEMP_BED      0
 #define PREHEAT_2_FAN_SPEED   165 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 #define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 #define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h

 #define PREHEAT_2_TEMP_BED    110
 #define PREHEAT_2_FAN_SPEED     0 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 #define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 #define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 #define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/RigidBot/Configuration.h

 #define PREHEAT_2_TEMP_BED    110
 #define PREHEAT_2_FAN_SPEED   255 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 #define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 #define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/SCARA/Configuration.h

 #define PREHEAT_2_TEMP_BED    100
 #define PREHEAT_2_FAN_SPEED   255 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 //#define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 //#define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/TAZ4/Configuration.h

 #define PREHEAT_2_TEMP_BED    110
 #define PREHEAT_2_FAN_SPEED     0 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 //#define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/TinyBoy2/Configuration.h

 #define PREHEAT_2_TEMP_BED     90 // TB2: ABS default 110, 90 is the maximum temp at 12V supply
 #define PREHEAT_2_FAN_SPEED     0 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 #define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 #define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 #define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 #define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/WITBOX/Configuration.h

 #define PREHEAT_2_TEMP_BED    100
 #define PREHEAT_2_FAN_SPEED   255 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 //#define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 #define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 #define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/adafruit/ST7565/Configuration.h

 #define PREHEAT_2_TEMP_BED    110
 #define PREHEAT_2_FAN_SPEED     0 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 #define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 #define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration.h

 #define PREHEAT_2_TEMP_BED    100
 #define PREHEAT_2_FAN_SPEED     0 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 #define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 WESTERN
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 #define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 #define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration.h

 #define PREHEAT_2_TEMP_BED    100
 #define PREHEAT_2_FAN_SPEED     0 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 #define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 WESTERN
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 #define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/delta/generic/Configuration.h

 #define PREHEAT_2_TEMP_BED    100
 #define PREHEAT_2_FAN_SPEED   255 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 //#define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/delta/kossel_mini/Configuration.h

 #define PREHEAT_2_TEMP_BED    100
 #define PREHEAT_2_FAN_SPEED   255 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 //#define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/delta/kossel_pro/Configuration.h

 #define PREHEAT_2_TEMP_BED    100
 #define PREHEAT_2_FAN_SPEED   255 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 #define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/delta/kossel_xl/Configuration.h

 #define PREHEAT_2_TEMP_BED    100
 #define PREHEAT_2_FAN_SPEED   255 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 //#define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/gCreate_gMax1.5+/Configuration.h

 #define PREHEAT_2_TEMP_BED    110
 #define PREHEAT_2_FAN_SPEED     0 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 #define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 #define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/makibox/Configuration.h

 #define PREHEAT_2_TEMP_BED    100
 #define PREHEAT_2_FAN_SPEED   255 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 //#define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 #define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 #define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/tvrrug/Round2/Configuration.h

 #define PREHEAT_2_TEMP_BED    100
 #define PREHEAT_2_FAN_SPEED   255 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 //#define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 //#define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 //#define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

Marlin/example_configurations/wt150/Configuration.h

 #define PREHEAT_2_TEMP_BED    110
 #define PREHEAT_2_FAN_SPEED     0 // Value from 0 to 255
 
-//
-// Nozzle Park -- EXPERIMENTAL
-//
-// When enabled allows the user to define a special XYZ position, inside the
-// machine's topology, to park the nozzle when idle or when receiving the G27
-// command.
-//
-// The "P" paramenter controls what is the action applied to the Z axis:
-//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
-//        be raised to reach Z-park height.
-//
-//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
-//        reach Z-park height.
-//
-//    P2: The nozzle height will be raised by Z-park amount but never going over
-//        the machine's limit of Z_MAX_POS.
-//
+/**
+ * Nozzle Park -- EXPERIMENTAL
+ *
+ * Park the nozzle at the given XYZ position on idle or G27.
+ *
+ * The "P" parameter controls the action applied to the Z axis:
+ *
+ *    P0  (Default) If Z is below park Z raise the nozzle.
+ *    P1  Raise the nozzle always to Z-park height.
+ *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
+ */
 //#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
 #endif
 
-//
-// Clean Nozzle Feature -- EXPERIMENTAL
-//
-// When enabled allows the user to send G12 to start the nozzle cleaning
-// process, the G-Code accepts two parameters:
-//   "P" for pattern selection
-//   "S" for defining the number of strokes/repetitions
-//
-// Available list of patterns:
-//   P0: This is the default pattern, this process requires a sponge type
-//       material at a fixed bed location. S defines "strokes" i.e.
-//       back-and-forth movements between the starting and end points.
-//
-//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
-//       defines the number of zig-zag triangles to be done. "S" defines the
-//       number of strokes aka one back-and-forth movement. Zig-zags will
-//       be performed in whichever dimension is smallest. As an example,
-//       sending "G12 P1 S1 T3" will execute:
-//
-//          --
-//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
-//         |           |    /  \      /  \      /  \    |
-//       A |           |   /    \    /    \    /    \   |
-//         |           |  /      \  /      \  /      \  |
-//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
-//          --         +--------------------------------+
-//                       |________|_________|_________|
-//                           T1        T2        T3
-//
-//   P2: This starts a circular pattern with circle with middle in
-//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
-//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
-//
-// Caveats: End point Z should use the same value as Start point Z.
-//
-// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
-// may change to add new functionality like different wipe patterns.
-//
+/**
+ * Clean Nozzle Feature -- EXPERIMENTAL
+ *
+ * Adds the G12 command to perform a nozzle cleaning process.
+ *
+ * Parameters:
+ *   P  Pattern
+ *   S  Strokes / Repetitions
+ *   T  Triangles (P1 only)
+ *
+ * Patterns:
+ *   P0  Straight line (default). This process requires a sponge type material
+ *       at a fixed bed location. "S" specifies strokes (i.e. back-forth motions)
+ *       between the start / end points.
+ *
+ *   P1  Zig-zag pattern between (X0, Y0) and (X1, Y1), "T" specifies the
+ *       number of zig-zag triangles to do. "S" defines the number of strokes.
+ *       Zig-zags are done in whichever is the narrower dimension.
+ *       For example, "G12 P1 S1 T3" will execute:
+ *
+ *          --
+ *         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+ *         |           |    /  \      /  \      /  \    |
+ *       A |           |   /    \    /    \    /    \   |
+ *         |           |  /      \  /      \  /      \  |
+ *         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+ *          --         +--------------------------------+
+ *                       |________|_________|_________|
+ *                           T1        T2        T3
+ *
+ *   P2  Circular pattern with middle at NOZZLE_CLEAN_CIRCLE_MIDDLE.
+ *       "R" specifies the radius. "S" specifies the stroke count.
+ *       Before starting, the nozzle moves to NOZZLE_CLEAN_START_POINT.
+ *
+ *   Caveats: The ending Z should be the same as starting Z.
+ * Attention: EXPERIMENTAL. G-code arguments may change.
+ *
+ */
 //#define NOZZLE_CLEAN_FEATURE
 
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   #define NOZZLE_CLEAN_GOBACK
 #endif
 
-//
-// Print job timer
-//
-// Enable this option to automatically start and stop the
-// print job timer when M104/M109/M190 commands are received.
-// M104 (extruder without wait) - high temp = none, low temp = stop timer
-// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
-// M190 (bed with wait) - high temp = start timer, low temp = none
-//
-// In all cases the timer can be started and stopped using
-// the following commands:
-//
-// - M75  - Start the print job timer
-// - M76  - Pause the print job timer
-// - M77  - Stop the print job timer
+/**
+ * Print Job Timer
+ *
+ * Automatically start and stop the print job timer on M104/M109/M190.
+ *
+ *   M104 (hotend, no wait) - high temp = none,        low temp = stop timer
+ *   M109 (hotend, wait)    - high temp = start timer, low temp = stop timer
+ *   M190 (bed, wait)       - high temp = start timer, low temp = none
+ *
+ * The timer can also be controlled with the following commands:
+ *
+ *   M75 - Start the print job timer
+ *   M76 - Pause the print job timer
+ *   M77 - Stop the print job timer
+ */
 #define PRINTJOB_TIMER_AUTOSTART
 
-//
-// Print Counter
-//
-// When enabled Marlin will keep track of some print statistical data such as:
-//  - Total print jobs
-//  - Total successful print jobs
-//  - Total failed print jobs
-//  - Total time printing
-//
-// This information can be viewed by the M78 command.
+/**
+ * Print Counter
+ *
+ * Track statistical data such as:
+ *
+ *  - Total print jobs
+ *  - Total successful print jobs
+ *  - Total failed print jobs
+ *  - Total time printing
+ *
+ * View the current statistics with M78.
+ */
 #define PRINTCOUNTER
 
 //=============================================================================
 
 // @section lcd
 
-//
-// LCD LANGUAGE
-//
-// Here you may choose the language used by Marlin on the LCD menus, the following
-// list of languages are available:
-//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
-//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
-//
-// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
-//
+/**
+ * LCD LANGUAGE
+ *
+ * Select the language to display on the LCD. These languages are available:
+ *
+ *    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+ *    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+ *
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+ */
 #define LCD_LANGUAGE en
 
-//
-// LCD Character Set
-//
-// Note: This option is NOT applicable to Graphical Displays.
-//
-// All character-based LCD's provide ASCII plus one of these
-// language extensions:
-//
-//  - JAPANESE ... the most common
-//  - WESTERN  ... with more accented characters
-//  - CYRILLIC ... for the Russian language
-//
-// To determine the language extension installed on your controller:
-//
-//  - Compile and upload with LCD_LANGUAGE set to 'test'
-//  - Click the controller to view the LCD menu
-//  - The LCD will display Japanese, Western, or Cyrillic text
-//
-// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
-//
-// :['JAPANESE', 'WESTERN', 'CYRILLIC']
-//
+/**
+ * LCD Character Set
+ *
+ * Note: This option is NOT applicable to Graphical Displays.
+ *
+ * All character-based LCDs provide ASCII plus one of these
+ * language extensions:
+ *
+ *  - JAPANESE ... the most common
+ *  - WESTERN  ... with more accented characters
+ *  - CYRILLIC ... for the Russian language
+ *
+ * To determine the language extension installed on your controller:
+ *
+ *  - Compile and upload with LCD_LANGUAGE set to 'test'
+ *  - Click the controller to view the LCD menu
+ *  - The LCD will display Japanese, Western, or Cyrillic text
+ *
+ * See https: *github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+ *
+ * :['JAPANESE', 'WESTERN', 'CYRILLIC']
+ */
 #define DISPLAY_CHARSET_HD44780 JAPANESE
 
-//
-// LCD TYPE
-//
-// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
-// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
-// (ST7565R family). (This option will be set automatically for certain displays.)
-//
-// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
-//                 https://github.com/olikraus/U8glib_Arduino
-//
+/**
+ * LCD TYPE
+ *
+ * Enable ULTRA_LCD for a 16x2, 16x4, 20x2, or 20x4 character-based LCD.
+ * Enable DOGLCD for a 128x64 (ST7565R) Full Graphical Display.
+ * (These options will be enabled automatically for most displays.)
+ *
+ * IMPORTANT: The U8glib library is required for Full Graphic Display!
+ *            https://github.com/olikraus/U8glib_Arduino
+ */
 //#define ULTRA_LCD   // Character based
 //#define DOGLCD      // Full graphics display
 
-//
-// SD CARD
-//
-// SD Card support is disabled by default. If your controller has an SD slot,
-// you must uncomment the following option or it won't work.
-//
+/**
+ * SD CARD
+ *
+ * SD Card support is disabled by default. If your controller has an SD slot,
+ * you must uncomment the following option or it won't work.
+ *
+ */
 #define SDSUPPORT
 
-//
-// SD CARD: SPI SPEED
-//
-// Uncomment ONE of the following items to use a slower SPI transfer
-// speed. This is usually required if you're getting volume init errors.
-//
+/**
+ * SD CARD: SPI SPEED
+ *
+ * Enable one of the following items for a slower SPI transfer speed.
+ * This may be required to resolve "volume init" errors.
+ */
 //#define SPI_SPEED SPI_HALF_SPEED
 //#define SPI_SPEED SPI_QUARTER_SPEED
 //#define SPI_SPEED SPI_EIGHTH_SPEED
 
-//
-// SD CARD: ENABLE CRC
-//
-// Use CRC checks and retries on the SD communication.
-//
+/**
+ * SD CARD: ENABLE CRC
+ *
+ * Use CRC checks and retries on the SD communication.
+ */
 //#define SD_CHECK_AND_RETRY
 
 //
  */
 
 //
-// This option reverses the encoder direction everywhere
+// This option reverses the encoder direction everywhere.
 //
 //  Set this option if CLOCKWISE causes values to DECREASE
 //

buildroot/share/git/README.md

+## Marlin Github Helper Scripts
+
+### Introduction
+
+A Pull Request is often just the start of a longer process of patching and refining the code until it's ready to merge. In that process it's common to accumulate a lot of commits, some of which are non-functional. Before merging any PR, excess commits need to be "squashed" and sometimes rearranged or reworked to produce a well-packaged set of changes and keep the commit history relatively clean.
+
+In addition, while a PR is being worked on other commits may be merged, leading to conflicts that need resolution. For this reason, it's a best practice to periodically refresh the PR so the working copy closely reflects the final merge.
+
+#### Merge vs Rebase
+
+I recommend not using Github Desktop to sync and merge. Use the command line instead. Github Desktop provides a "merge" option, but for best results "`git rebase`" is recommended. Merge applies new work after your commits. This buries them and makes it hard to bring them together as a final packaged unit. Rebase moves your commits to the end of the branch, ensuring that your commits will be adapted to the current code. This makes it easier to keep revising the commits in-place.
+
+### The Scripts
+
+The following scripts can be used on macOS or Linux to speed up the process of working with Marlin and submitting changes to the project.
+
+#### Remotes
+
+File|Description
+----|-----------
+mfadd [user]|Add Remote - Add another Github user's fork of Marlin as a remote, then fetch it. After this you can check out one of their branches and either make a PR targeted at their fork or targeted at `bugfix-1.1.x`.
+mfinit|Init Working Copy - Creates a remote named '`upstream`' (for use by the other scripts) pointing to the '`MarlinFirmware`' fork. Use once after checking out your fork.
+
+
+#### Branches
+
+File|Description
+----|-----------
+mfnew [branch]|New Branch - Creates a new branch based on `upstream/[PR-target]`. All new work should start here.
+firstpush|Push the current branch to 'origin' -your fork on Github- and set it to track '`origin`'. The branch needs to reside on Github before you can use it to make a PR.
+
+
+#### Making / Amending PRs
+
+File|Description
+----|-----------
+mfpr|Pull Request - Open the Compare / Pull Request page on Github for the current branch.
+mfrb|Do a `git rebase` then `git rebase -i` of the current branch onto `upstream/[PR-target]`. Use this to edit your commits anytime.
+mfqp|Quick Patch - Commit all current changes as "patch", `mfrb`, and `git push -f`.
+
+#### Documentation
+
+File|Description
+----|-----------
+mfdoc|Build the documentation and preview it locally.
+mfpub|Build the documentation and publish it to marlinfw.org via Github.
+
+#### Utilities
+
+File|Description
+----|-----------
+ghtp -[h/s]|Set the protocol to use for all remotes. -h for HTTPS, -s for SSL.
+mfinfo|This utility script is used by the other scripts to get:<br/>- The upstream project ('`MarlinFirmware`')<br/>- the '`origin`' project (i.e., your Github username),<br/>- the repository name ('`Marlin`'),<br/>- the PR target branch ('`bugfix-1.1.x`'), and<br/>- the current branch (or the first command-line argument).<br/><br/>By itself, `mfinfo` simply prints these values to the console.
+mfclean&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;|Prune your merged and remotely-deleted branches.
+
+---
+
+### Examples
+
+Coming Soon!

buildroot/share/git/mfprune → buildroot/share/git/mfclean

 #!/usr/bin/env bash
 #
-# mfprune
+# mfclean
 #
 # Prune all your merged branches and any branches whose remotes are gone
 # Great way to clean up your branches after messing around a lot
 #
 
+KEEP="RC|RCBugFix|dev|master|bugfix-1"
+
 echo "Fetching latest upstream and origin..."
 git fetch upstream
 git fetch origin
 echo
 
 echo "Pruning Merged Branches..."
-git branch --merged | egrep -v "^\*|RC|RCBugFix|dev" | xargs -n 1 git branch -d
+git branch --merged | egrep -v "^\*|$KEEP" | xargs -n 1 git branch -d
 echo
 
 echo "Pruning Remotely-deleted Branches..."
-git branch -vv | egrep -v "^\*|RC|RCBugFix|dev" | grep ': gone]' | gawk '{print $1}' | xargs -n 1 git branch -D
+git branch -vv | egrep -v "^\*|$KEEP" | grep ': gone]' | gawk '{print $1}' | xargs -n 1 git branch -D
 echo
 
 echo "You may want to remove (or checkout) these refs..."

buildroot/share/git/mfnew

   * ) echo "Usage: `basename $0` [branch]" 1>&2 ; exit 1 ;;
 esac
 
-git checkout $TARG -b $BRANCH
+git fetch upstream
+git checkout upstream/$TARG -b $BRANCH

buildroot/share/git/mfpub

 #
 # mfpub
 #
-# Use Jekyll to publish Marlin Documentation to the HTML site
+# Use Jekyll to generate Marlin Documentation, which is then
+# git-pushed to Github to publish it to the live site.
+# This publishes the current branch, and doesn't force
+# changes to be pushed to the 'master' branch. Be sure to push
+# any permanent changes to 'master'.
 #
 
 MFINFO=$(mfinfo "$@") || exit
 fi
 
 if [[ $BRANCH == "gh-pages" ]]; then
-  echo "Can't build from 'gh-pages.' Only the Jekyll branches."
+  echo "Can't build from 'gh-pages.' Only the Jekyll branches (based on 'master')."
   bundle exec jekyll serve --watch
   exit
 fi
 
 if [[ $BRANCH != "master" ]]; then
   echo "Don't forget to update and push 'master'!"
+  # GOJF Card
+  git stash
 fi
 
+# Check out the named branch (or stay in current)
 git checkout $BRANCH
 
 echo "Generating MarlinDocumentation..."
 
-# GOJF Card
-git stash
-
-TMPFOLDER=$( mktemp -d )
 COMMIT=$( git log --format="%H" -n 1 )
 
 # Clean out changes and other junk in the branch
 # Push 'master' to the fork and make a proper PR...
 if [[ $BRANCH == "master" ]]; then
 
-  if [ -z "$(git branch -vv | grep ^\* | grep \\[origin)" ]; then firstpush; fi
-
-  git push -f origin
+  if [[ $$FORK == "MarlinFirmware" ]]; then
 
-  TOOL=$(which gnome-open xdg-open open | awk '{ print $1 }')
-  URL="https://github.com/$ORG/$REPO/compare/$TARG...$FORK:$BRANCH?expand=1"
+    # Allow working directly with the main fork
+    git push -f upstream
 
-  if [ -z "$TOOL" ]; then
-    echo "Can't find a tool to open the URL:"
-    echo $URL
   else
-    echo "Opening a New PR Form..."
-    "$TOOL" "$URL"
+
+    if [ -z "$(git branch -vv | grep ^\* | grep \\[origin)" ]; then firstpush; fi
+
+    git push -f origin
+
+    TOOL=$(which gnome-open xdg-open open | awk '{ print $1 }')
+    URL="https://github.com/$ORG/$REPO/compare/$TARG...$FORK:$BRANCH?expand=1"
+
+    if [ -z "$TOOL" ]; then
+      echo "Can't find a tool to open the URL:"
+      echo $URL
+    else
+      echo "Opening a New PR Form..."
+      "$TOOL" "$URL"
+    fi
+
   fi
 
 fi
 # mv ./_plugins/jekyll-press.rb-disabled ./_plugins/jekyll-press.rb
 # bundle install
 
+# build the site statically and proof it
 bundle exec jekyll build --profile --trace --no-watch
 bundle exec htmlproofer ./_site --only-4xx --allow-hash-href --check-favicon --check-html --url-swap ".*marlinfw.org/:/"
 
+# Sync the built site into a temporary folder
+TMPFOLDER=$( mktemp -d )
 rsync -av _site/ ${TMPFOLDER}/
 
 # Clean out changes and other junk in the branch
 git commit --message "Built from ${COMMIT}"
 git push upstream
 
+# remove the temporary folder
 rm -rf ${TMPFOLDER}
 
 # Go back to the branch we started from

buildroot/share/git/mfrb

   * ) echo "Usage: `basename $0`" 1>&2 ; exit 1 ;;
 esac
 
-git rebase -i ${INFO[3]}
+# If the branch isn't currently the PR target
+if [[ ${INFO[4]} != ${INFO[5]} ]]; then
+  git fetch upstream
+  git rebase upstream/${INFO[3]} && git rebase -i upstream/${INFO[3]}
+fi