bug#21828: 24.4; copy-abbrev-table fails

[Eli Zaretskii]

> Date: Sat, 7 Nov 2015 18:03:52 +0000
> From: Artur Malabarba <bruce.connor.am@gmail.com>
> Cc: Lee B <lboc.home@gmail.com>, 21828@debbugs.gnu.org
> 
> > (This bug was there ever since we rewrote abbrev.c in Lisp 8 years
> > ago.)
> 
> Oh, the beauty of writing tests.
> Is that a sign that this function isn't really used at all and might
> as well be marked as obsolete? :-D

It is not used in Emacs.  But the OP evidently needed it, so making it
obsolete is premature, I think.

Btw, the bug was in define-abbrev, not in copy-abbrev-table.  The
former is even more fundamental for abbrevs, and certainly cannot be
obsoleted.