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.
permissions when no access to HW registers is required. For API changes
which mostly involve the modifications to make the RRFunc (introduced
with 6.8) more flexible please check Bugzilla #2407. NOTE: This patch
applies changes to OS specific files for other OSes which I cannot
test.