[PATCH] Prevent a crash if the ASCII charset registries match nothing

[stephen at xemacs.org]

Aidan Kehoe writes:

 > Well, I think implementing that would be workable and relatively
 > painless,

Well, go ahead, do it.  We're not going to agree on this.  On the
other hand, you're the only one actually doing any visible work, so I
guess you should make the calls.