@c FIXME? The doc of *standard*-fontset-spec says:
@c "You have the biggest chance to display international characters
@c with correct glyphs by using the *standard* fontset." (my emphasis)
+@c See http://lists.gnu.org/archive/html/emacs-devel/2012-04/msg00430.html
The default fontset is most likely to have fonts for a wide variety of
non-@acronym{ASCII} characters, and is the default fallback for the
other two fontsets, and if you set a default font rather than fontset.