One more detail.  When inserting CENT SIGN, I get this warning:

(emacs:29060): Gtk-CRITICAL **: 17:12:48.023: gtk_distribute_natural_allocation: assertion 'extra_space >= 0' failed

If I use a different font, I don't get that warning.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no