Glynn Clements glynn at
Tue Apr 7 04:03:45 PDT 2009

Mark Wagner wrote:

> I'm busy updating the Linux branch of a cross-platform toolkit that
> was last updated in 1994.  The big problem I'm running into is a lack
> of documentation on how to program for XWindows: the online
> documentation I've been able to find is at least as old as the toolkit
> -- for example, one has an appendix detailing the changes from X11R4
> to X11R5.  Other webpages I've found may be newer, but they don't
> mention any dates or versions.
> Is there a good online document on how to program for XWindows using Xlib?
> Are there programming references for the various extensions, or do I
> need to work from protocol specifications and uncommented header
> files?

Glynn Clements <glynn at>

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