anchor.diff:  
   REM ### prefs.js cleaner for Windows
   REM ## author: @claustromaniac
  -REM ## version: 1.1
  +REM ## version: 1.2
   
   SETLOCAL EnableDelayedExpansion
   :begin
  
positive.code: 		SET "_line=%%H"
  		SETLOCAL EnableDelayedExpansion
  		IF /I "user_pref"=="!_line:~0,9!" (
  			FOR /F "delims=," %%X IN ("!_line!") DO (SET "_pref=%%X")
  			SET _pref=!_pref:"=""!
  			FIND /I "!_pref!" user.js >nul
  			IF ERRORLEVEL 1 (
  				ECHO:!_line!
  			)
  		) ELSE (
  			ECHO:!_line!
  
negative.code: ECHO:
  ECHO                 ########################################
  ECHO                 ####  prefs.js cleaner for Windows  ####
  ECHO                 ####        by claustromaniac       ####
  ECHO                 ####              v1.2              ####
  ECHO                 ########################################
  ECHO:
  CALL :message "This script should be run from your Firefox profile directory."
  