This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long. Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise.
Also some minor nits (extra fluff in all of my ports' DESCR files, USE_XLIB defined when USE_X_PREFIX is also defined, etc).
PR: 11174 Submitted by: Chris Piazza <cpiazza@home.net>