bug#17746: 24.4.50; "byte-code: `recenter'ing a window that does not display current-buffer." when composing a message

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Bastien <bzg@altern.org>, theonewiththeevillook@yahoo.fr,
>  17746@debbugs.gnu.org, dogriffiths@gmail.com
> Date: Wed, 11 Jun 2014 14:15:08 -0400
> 
> > Say thanks to Stefan for flagging all those bugs ;-)
> 
> Now that I think about it, I should make `car' signal an error every
> 100th call, as well.  Would flag many bugs (with some false positives,
> of course, but what's a few false positives among friends?)!

Not just 'car', 'cdr' as well, I'd say.