anchor.diff:  
   
   REM Set environment variables.
  -SET "TABPY_ROOT=%CD%"
  -SET "INSTALL_LOG=%TABPY_ROOT%\tabpy-server\install.log"
  +SET TABPY_ROOT="%CD%"
  +SET INSTALL_LOG=%TABPY_ROOT%\tabpy-server\install.log
   SET SAVE_PYTHONPATH=%PYTHONPATH%
   
   
  
positive.code: 
  REM Parse optional CLI arguments: config file
  ECHO Parsing parameters...
  SET PYTHONPATH="%TABPY_ROOT%\tabpy-server;%TABPY_ROOT%\tabpy-tools;%PYTHONPATH%"
  SET STARTUP_CMD=python tabpy-server\tabpy_server\tabpy.py
  IF [%1] NEQ [] (
      ECHO     Using config file at %1
  
negative.code: 
  :END
      SET PYTHONPATH=%SAVE_PYTHONPATH%
      CD %TABPY_ROOT%
      EXIT /B %RET%
      ENDLOCAL
  