Hi, Gaetan has worked on making it possible to have crossreferences in X's documentation; we've also discussed shipping XML files, which we currently don't do (yet). I think a good summary would be:
http://article.gmane.org/gmane.comp.freedesktop.xorg.devel/20537 I'll probably look into shipping those XML files in the upcoming weeks (I don't think there's any kind of urgency). As for libx11, I'm about to upload a new package with crossreferences enabled at build-time, but without shipping those files yet. Just writing this mail to say it's not an error. Switching libx11 to --fail-missing to make sure we don't miss any new file is on my todo as well. KiBi.
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