- Half of the work has been done, but not yet pushed.
- <http://lists.gnu.org/archive/html/bug-gnulib/2010-11/msg00199.html>
- <http://lists.gnu.org/archive/html/bug-gnulib/2011-02/msg00078.html>
+ Still missing: dealing with include_next and old compilers, cf.
+ <http://lists.gnu.org/archive/html/bug-gnulib/2010-10/msg00269.html>
+ <http://lists.gnu.org/archive/html/bug-gnulib/2010-10/msg00285.html>