anchor.diff:  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..."
  -		CALL :activate user.js.new "[SETUP-non-RFP]"
  -	)
   	IF DEFINED _esr (
   		CALL :message "Activating ESR section..."
   		CALL :activate user.js.new ".x still uses all the following prefs"
  
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: IF /I "%~1"=="-updatebatch" (SET _updateb=1)
  IF /I "%~1"=="-singlebackup" (SET _singlebackup=1)
  IF /I "%~1"=="-esr" (SET _esr=1)
  SHIFT
  GOTO parse
  :endparse
  