anchor.diff:  
   REM ## arkenfox user.js updater for Windows
   REM ## author: @claustromaniac
  -REM ## version: 4.14
  +REM ## version: 4.15
   REM ## instructions: https://github.com/arkenfox/user.js/wiki/3.3-Updater-Scripts
   
  -SET v=4.14
  +SET v=4.15
   
   VERIFY ON
   CD /D "%~dp0"
  
positive.code: CALL :message "  -singleBackup"
  ECHO:     Use a single backup file and overwrite it on new updates, instead of
  ECHO:     cumulative backups. This was the default behaviour before v4.3.
  CALL :message "  -rfpAlts"
  ECHO:     Activate RFP Alternatives section
  CALL :message "  -updateBatch"
  ECHO:     Update the script itself on execution, before the normal routine.
  CALL :message ""
  
negative.code: CALL :message "Retrieving latest user.js file from github repository..."
  CALL :psdownload https://raw.githubusercontent.com/arkenfox/user.js/master/user.js "user.js.new"
  IF EXIST user.js.new (
  	IF DEFINED _esr (
  		CALL :message "Activating ESR section..."
  		CALL :activate user.js.new ".x still uses all the following prefs"
  