libX11 - Core X11 protocol client library Documentation for this library can be found in the included man pages, and in the Xlib spec from the specs subdirectory, also available at: http://www.x.org/releases/current/doc/libX11/libX11/libX11.html http://www.x.org/releases/current/doc/libX11/libX11/libX11.pdf and the O'Reilly Xlib books, which they have made freely available online, though only for older versions of X11: - X Series Volume 2: Xlib Reference Manual (1989, covers X11R3) http://www.archive.org/details/xlibretmanver1102nyemiss - X Series Volume 2: Xlib Reference Manual, 2nd Edition (1990, covers X11R4) http://www.archive.org/details/xlibrefmanv115ed02nyemiss All questions regarding this software should be directed at the Xorg mailing list: http://lists.freedesktop.org/mailman/listinfo/xorg Please submit bug reports to the Xorg bugzilla: https://bugs.freedesktop.org/enter_bug.cgi?product=xorg The master development code repository can be found at: git://anongit.freedesktop.org/git/xorg/lib/libX11 http://cgit.freedesktop.org/xorg/lib/libX11 For patch submission instructions, see: http://www.x.org/wiki/Development/Documentation/SubmittingPatches For more information on the git code manager, see: http://wiki.x.org/wiki/GitPage