Latest upstream commits

Marlin/Configuration.h

 // M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
 //define this to enable EEPROM support
 //#define EEPROM_SETTINGS
-//to disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
-// please keep turned on if you can.
-//#define EEPROM_CHITCHAT
+
+#ifdef EEPROM_SETTINGS
+  // To disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
+  #define EEPROM_CHITCHAT // please keep turned on if you can.
+#endif
+
 
 // @section temperature
 

Marlin/configurator/config/Configuration.h

 // M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
 //define this to enable EEPROM support
 //#define EEPROM_SETTINGS
-//to disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
-// please keep turned on if you can.
-//#define EEPROM_CHITCHAT
+
+#ifdef EEPROM_SETTINGS
+  // To disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
+  #define EEPROM_CHITCHAT // please keep turned on if you can.
+#endif
 
 // @section temperature
 

Marlin/configurator/js/configurator.js

      *   .count   number of items in the group
      */
     refreshDefineGroups: function(cindex) {
-      var findDef = /^(|.*_)(([XYZE](MAX|MIN))|(E[0-3]|[XYZE01234])|MAX|MIN|(bed)?K[pid]|HOTEND|HPB|JAPAN|WESTERN|LEFT|RIGHT|BACK|FRONT|[XYZ]_POINT)(_.*|)$/i;
+      var findDef = /^(|.*_)(([XYZE](MAX|MIN))|(E[0-3]|[XYZE01234])|MAX|MIN|(bed)?K[pid]|HOTEND|HPB|JAPAN|WESTERN|CYRILLIC|LEFT|RIGHT|BACK|FRONT|[XYZ]_POINT)(_.*|)$/i;
       var match_prev, patt, title, nameList, groups = {}, match_section;
       $.each(define_list[cindex], function(i, name) {
         if (match_prev) {
                 break;
               case 'JAPAN':
               case 'WESTERN':
-                patt = '(JAPAN|WESTERN)';
+              case 'CYRILLIC':
+                patt = '(JAPAN|WESTERN|CYRILLIC)';
                 break;
               case 'XMIN':
               case 'XMAX':

Marlin/example_configurations/Felix/Configuration.h

 // M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
 //define this to enable EEPROM support
 //#define EEPROM_SETTINGS
-//to disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
-// please keep turned on if you can.
-//#define EEPROM_CHITCHAT
+
+#ifdef EEPROM_SETTINGS
+  // To disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
+  #define EEPROM_CHITCHAT // please keep turned on if you can.
+#endif
 
 // Preheat Constants
 #define PLA_PREHEAT_HOTEND_TEMP 180

Marlin/example_configurations/Felix/Configuration_DUAL.h

 // M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
 //define this to enable EEPROM support
 //#define EEPROM_SETTINGS
-//to disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
-// please keep turned on if you can.
-//#define EEPROM_CHITCHAT
+
+#ifdef EEPROM_SETTINGS
+  // To disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
+  #define EEPROM_CHITCHAT // please keep turned on if you can.
+#endif
 
 // Preheat Constants
 #define PLA_PREHEAT_HOTEND_TEMP 180

Marlin/example_configurations/Hephestos/Configuration.h

 // M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
 //define this to enable EEPROM support
 //#define EEPROM_SETTINGS
-//to disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
-// please keep turned on if you can.
-//#define EEPROM_CHITCHAT
+
+#ifdef EEPROM_SETTINGS
+  // To disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
+  #define EEPROM_CHITCHAT // please keep turned on if you can.
+#endif
 
 // Preheat Constants
 #define PLA_PREHEAT_HOTEND_TEMP 200

Marlin/example_configurations/K8200/Configuration.h

 // M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
 //define this to enable EEPROM support
 #define EEPROM_SETTINGS
-//to disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
-// please keep turned on if you can.
-//#define EEPROM_CHITCHAT
+
+#ifdef EEPROM_SETTINGS
+  // To disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
+  #define EEPROM_CHITCHAT // please keep turned on if you can.
+#endif
 
 // Preheat Constants
 #define PLA_PREHEAT_HOTEND_TEMP 190

Marlin/example_configurations/SCARA/Configuration.h

 // M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
 //define this to enable EEPROM support
 //#define EEPROM_SETTINGS
-//to disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
-// please keep turned on if you can.
-#define EEPROM_CHITCHAT
+
+#ifdef EEPROM_SETTINGS
+  // To disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
+  #define EEPROM_CHITCHAT // please keep turned on if you can.
+#endif
 
 // Preheat Constants
 #define PLA_PREHEAT_HOTEND_TEMP 180

Marlin/example_configurations/WITBOX/Configuration.h

 // M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
 //define this to enable EEPROM support
 //#define EEPROM_SETTINGS
-//to disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
-// please keep turned on if you can.
-//#define EEPROM_CHITCHAT
+
+#ifdef EEPROM_SETTINGS
+  // To disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
+  #define EEPROM_CHITCHAT // please keep turned on if you can.
+#endif
 
 // Preheat Constants
 #define PLA_PREHEAT_HOTEND_TEMP 200

Marlin/example_configurations/delta/generic/Configuration.h

 // M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
 //define this to enable EEPROM support
 //#define EEPROM_SETTINGS
-//to disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
-// please keep turned on if you can.
-//#define EEPROM_CHITCHAT
+
+#ifdef EEPROM_SETTINGS
+  // To disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
+  #define EEPROM_CHITCHAT // please keep turned on if you can.
+#endif
 
 // Preheat Constants
 #define PLA_PREHEAT_HOTEND_TEMP 180

Marlin/example_configurations/delta/kossel_mini/Configuration.h

 // M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
 //define this to enable EEPROM support
 //#define EEPROM_SETTINGS
-//to disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
-// please keep turned on if you can.
-//#define EEPROM_CHITCHAT
+
+#ifdef EEPROM_SETTINGS
+  // To disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
+  #define EEPROM_CHITCHAT // please keep turned on if you can.
+#endif
 
 // Preheat Constants
 #define PLA_PREHEAT_HOTEND_TEMP 180

Marlin/example_configurations/makibox/Configuration.h

 // M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
 //define this to enable EEPROM support
 #define EEPROM_SETTINGS
-//to disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
-// please keep turned on if you can.
-//#define EEPROM_CHITCHAT
+
+#ifdef EEPROM_SETTINGS
+  // To disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
+  #define EEPROM_CHITCHAT // please keep turned on if you can.
+#endif
 
 // Preheat Constants
 #define PLA_PREHEAT_HOTEND_TEMP 180

Marlin/example_configurations/tvrrug/Round2/Configuration.h

 // M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
 //define this to enable EEPROM support
 //#define EEPROM_SETTINGS
-//to disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
-// please keep turned on if you can.
-//#define EEPROM_CHITCHAT
+
+#ifdef EEPROM_SETTINGS
+  // To disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
+  #define EEPROM_CHITCHAT // please keep turned on if you can.
+#endif
 
 // Preheat Constants
 #define PLA_PREHEAT_HOTEND_TEMP 180