change "foo.h" to <X11/foo.h> for core headers, e.g. X.h, Xpoll.h;
change "foo.h", "extensions/foo.h" and "X11/foo.h" to
<X11/extensions/foo.h> for extension headers, e.g. Xv.h;
change "foo.[ch]" to <X11/Xtrans/foo.[ch]> for Xtrans files.
xc/programs/Xserver/hw/xnest/Imakefile
//bugs.freedesktop.org/show_bug.cgi?id=2653) attachment #2020
(https://bugs.freedesktop.org/attachment.cgi?id=2020): Cleanup Xnest
usage of the DPMS dummy stub functions from dpmsstubs.c instead of
using it's own copy of these functions.