tech-pkg: optional patch files

Subject: optional patch files
To: None <tech-pkg@NetBSD.org>
From: Peter Postma <peter@pointless.nl>
List: tech-pkg
Date: 10/26/2004 19:14:43

Packages.txt talks about optional patch files, see chapter 4.3.
But does this actually work? I got errors when I'm trying to use it
and I can't find any references to optional patches in mk/*.

Please CC, I'm not subscribed.
-- 
Peter Postma