On Thu, Jul 26 2012, Greg Troxel wrote:

> I will try to bisect.

Don't bother, I think I know what's the problem. I've replaced obsolete
code recently, but did not think Emacs 23 did not have that function.
I'll do a defalias trick for old Emacs version.

-- 
Julien Danjou
# Free Software hacker & freelance
# http://julien.danjou.info