In faq/current, one sees:
2008/11/06 - Xserver updated to 1.5.2 Several xserver modules and drivers have been deprecated. To make sure that X -configure \ doesn't try to configure the obsolete modules, it is recommended to prune old contents \ of /usr/X11R6/lib/modules before installing a new snapshot. Does this mean "wipe slick" or "carefully look for things that are old based on a criterion that the wise will find blindingly obvious?" -- Ed Ahlsen-Girard
