bug#31807: 27.0; `info-apropos' bad name or bad matching

[Noam Postavsky]

Drew Adams <drew.adams@oracle.com> writes:

>> (setq nodename  (format "Index for '%s'" apropos-regexp))
>
> Ouch!  Bitten by the crazy-quote monster.  Couldn't even save
> the file I wrote it in - asked me about possibly saving with
> Chinese this or that (in Emacs 27).
>
> Naturally I meant this sane traditional, standard sexp instead:
>
> (setq nodename  (format "Index for `%s'" apropos-regexp))
>
> That's what comes from copy-pasting polluted Emacs code.

Can you explain how you produced that text?  Unless you ran the code
through message like (message (prin1-to-string (defun ...))) I'm a bit
confused as to how it could happen.