anchor.diff:  :: Create log header
   cls
   call :log "-------------------------------------------------------------------------------"
  -call :log " %CUR_DATE% %TIME% TRON v%SCRIPT_VERSION% (%SCRIPT_DATE%), %PROCESSOR_ARCHITECTURE% architecture"
  -call :log " Executing as "%USERDOMAIN%\%USERNAME%" on %COMPUTERNAME%"
  -call :log " Logfile: %LOGPATH%\%LOGFILE%"
  -call :log " Command-line flags: %*"
  -call :log " Safe Mode: %SAFE_MODE% %SAFEBOOT_OPTION%"
  -call :log " Free space before Tron run: %FREE_SPACE_BEFORE% MB"
  +call :log "%CUR_DATE% %TIME%   TRON v%SCRIPT_VERSION% (%SCRIPT_DATE%), %PROCESSOR_ARCHITECTURE% architecture"
  +call :log "                          Executing as "%USERDOMAIN%\%USERNAME%" on %COMPUTERNAME%"
  +call :log "                          Logfile: %LOGPATH%\%LOGFILE%"
  +call :log "                          Command-line flags: %*"
  +call :log "                          Safe Mode: %SAFE_MODE% %SAFEBOOT_OPTION%"
  +call :log "                          Free space before Tron run: %FREE_SPACE_BEFORE% MB"
   call :log "-------------------------------------------------------------------------------"
  -
  -
  +                         
   
   :::::::::::::::::::
   :: STAGE 0: PREP ::
  
positive.code: cls
  color 0f
  set SCRIPT_VERSION=6.1.0
  set SCRIPT_DATE=2015-03-xx
  title TRON v%SCRIPT_VERSION% (%SCRIPT_DATE%)
  
  :: Initialize script-internal variables. Most of these get clobbered later so don't change them here
  
negative.code: reg delete "HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce" /f /v "tron_resume" >nul 2>&1
  del /f /q tron_flags.txt >nul 2>&1
  del /f /q tron_stage.txt >nul 2>&1
  call :log "%CUR_DATE% %TIME%    Done."
  
  
  :: JOB: Calculate saved disk space
  