Compress WinHelp file (high compression).
|Type & position:||command, preamble|
|Description:||If you use this switch inside the preamble the Microsoft Helpcompiler will compress the Windows Help file by about 50%. The compression of the Windows Help file takes some time. A similar result with a faster compression you will get with !win_medium_compression.|
|Exists since:||Release 5 Patchlevel 8|