anchor.diff:  
     if EXIST "%PACKAGE_SUB_DIR%" (
       rmdir /s /q %PACKAGE_SUB_DIR%
  +  )
  +
  +  if EXIST "%PACKAGE_SUB_DIR%" (
       rmdir %PACKAGE_SUB_DIR%
     )
   
  
positive.code: 
  if EXIST install (
    rmdir /s /q install
    rmdir install
  )
  
  if EXIST obj (
    rmdir /s /q obj
    rmdir obj
  )
  mkdir obj
  
negative.code: 
  rem ############################################################
  if "%PACKAGE_COPY%" == "YES" (
    if EXIST "%ORIGINAL_PACKAGE_DIR%\copy" (
      echo.
      echo Copying extra files to source dir ...
  