Firmware upgrade and migration

An editor that has syntax highlight on Marlin keywords and tries to find matching keywords in different versions of Marlin

Updates current Firmware and makes comments and old values
Transfer current Firmware values to a new version of Marlin

After saving updates the Arduino IDE can upload the Firmware.

img.wp-smiley,img.emoji{display:inline !important;border:none !important;box-shadow:none !important;height:1em !important;width:1em !important;margin:0 .07em !important;vertical-align:-.1em !important;background:none !important;padding:0 !important;}.logo{width:61px;}