bug#6214: 23.1; json-read-string crashes emacs with long string

[Michal Sojka]

On Mon, 16 Aug 2010, Chong Yidong wrote:
> Thanks, that is a useful backtrace.  Could you apply this patch and see
> if it fixes the problem?

Great! The patch fixes the problem. Now I can view 20 MB email in
notmuch.

Thanks,
Michal