anchor.diff:  
   REM ### ghacks-user.js updater for Windows
   REM ## author: @claustromaniac
  -REM ## version: 4.0b1
  +REM ## version: 4.0b2
   
   SET _myname=%~n0
   SET _myparams=%*
  
positive.code: 
  REM ########### Message Function ###########
  :message
  ECHO:
  ECHO:  %~1
  ECHO:
  GOTO :EOF
  REM ############ Merge function ############
  :merge
  SETLOCAL DisableDelayedExpansion
  (
  	FOR /F "tokens=1,* delims=," %%G IN ('FINDSTR /B /I /C:"user_pref" "%~1"') DO (SET "%%G=%%H")
  	FOR /F "tokens=2,* delims=:," %%I IN ('FINDSTR /N "^" "%~1"') DO (
  		IF NOT [user_pref("_user.js.parrot"]==[%%I] (
  			IF DEFINED %%I (
  				SETLOCAL EnableDelayedExpansion
  				FOR /F "delims=" %%K IN ("!%%I!") DO (
  					ENDLOCAL
  					IF NOT "%%K"=="ALREADY MERGED" (
  						ECHO:%%I,%%K
  						SET "%%I=ALREADY MERGED"
  					)
  				)
  			) ELSE (
  				IF "%%J"=="" (
  					ECHO:%%I
  				) ELSE (
  					ECHO:%%I,%%J
  				)
  			)
  		) ELSE (
  			ECHO:%%I,%%J
  		)
  	)
  )>updatertempfile
  
negative.code: 			REM 	* Begin the normal routine
  			REN "[updated]!_myname!.bat" "[updated]!_myname!.bat.old"
  			DEL /F "[updated]!_myname!.bat.old"
  			CALL :message "Script updated^!"
  			TIMEOUT 3 >nul
  			CLS
  			GOTO begin
  