anchor.diff:  
   
   :: -------------------------------------------------------------------
  -:: a "function" that prints help for this script
  +:: a "function" that prints help information for this script
   :HELP
   echo.
   echo Help documentation for %~nx0
  
positive.code: )
  endlocal & set PROJ_LIST=%PROJ_LIST_LOCAL%
  
  :: copy solution, vcxproj.filters, and git version fetch related files
  xcopy /Y /Q mk\vs\*.sln %VS_PROJ_DIR%\ >nul
  xcopy /Y /Q mk\vs\*.vcxproj.filters %VS_PROJ_DIR%\ >nul
  xcopy /Y /Q mk\vs\fetch-git-info.bat %VS_PROJ_DIR%\ >nul
  
negative.code: echo Basic usage: %~nx0 [-h] -p PTHREADS_WIN32_DIR -w WINPCAP_HOME_DIR
  echo.
  echo The following switches are recognized:
  echo -v^|--vs-version      --Set Visual Studio version to configure. Must be one of: vs2015, vs2017, vs2019
  echo -p^|--pthreads-home   --Set pthreads-win32 home directory
  echo -w^|--winpcap-home    --Set WinPcap home directory
  echo -h^|--help            --Display this help message and exits. No further actions are performed
  echo.
  :: done printing, exit
  exit /B 0