Book excerpt: Volume 2, Xlib Reference Manual, is a complete programmer's reference for Xlib. Covers X11 Release 4 and Release 5. Contents Include: Reference pages for Xlib functions Reference pages for event types Permuted index to Xlib functions Description of macros and reference pages for their function versions Listing of the server-side color database Alphabetical index and description of structures Alphabetical index and description of defined symbols KeySyms and their meaning Illustration of the standard cursor font Function group index to the right routine for a particular task Reference pages for Xlib-related Xmu functions (miscellaneous utilities) Four single-page reference aids for the GC and window attributes Features in the third edition include: Over 100 new man pages covering Xcms, internationalization, and the function versions of macros. Updating to the R5 spec. New "Returns" sections on all the functions which return values, making this information easier to find.