The XDamage Extension needs manual pages in xc/lib/Xdamage or
xc/doc/man/lib/Xdamage. Specifically, XDamageQueryExtension,
XDamageQueryVersion, XDamageCreate, XDamageDestroy, XDamageSubtract,
Sorry about the phenomenal bug spam, guys. Adding xorg-team@ to the QA contact so bugs don't get lost in future.