Date:	Mon, 20 Apr 92 19:10:43 GMT
From:	kuku AT acds DOT physik DOT rwth-aachen DOT de (Christoph Kukulies)
To:	djgpp AT sun DOT soe DOT clarkson DOT edu
Subject:	windows/regions etc.
Status:	O

I've seen in DJ's graphics C++ code that there are things like regions
and that stuff.

Does anyone know where I can find the essential algorithm underlying
modern Window systems, e.g. the X-Window System? I've heard that AT&T
claims a patent on parts of it (Backing Store).

--Chris

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