anchor.diff:  
   REM ## arkenfox user.js updater for Windows
   REM ## author: @claustromaniac
  -REM ## version: 4.12
  +REM ## version: 4.13
   REM ## instructions: https://github.com/arkenfox/user.js/wiki/3.3-Updater-Scripts
   
  -SET v=4.12
  +SET v=4.13
   
   VERIFY ON
   CD /D "%~dp0"
  
positive.code: 		CALL :message "Updating script..."
  		REM Uncomment the next line and comment out the PowerShell call for testing.
  		REM COPY /B /Y "!_myname!.bat" "[updated]!_myname!.bat" >nul
  		(
  			PowerShell -Command "(New-Object Net.WebClient).DownloadFile('https://raw.githubusercontent.com/arkenfox/user.js/master/updater.bat', '[updated]!_myname!.bat')"
  		) >nul 2>&1
  		IF EXIST "[updated]!_myname!.bat" (
  			START /min CMD /C "[updated]!_myname!.bat" !_myparams!
  		) ELSE (
  
negative.code: )
  IF EXIST user.js.new (DEL /F "user.js.new")
  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 _rfpalts (
  		CALL :message "Activating RFP Alternatives section..."
  