Radon Rosborough <radon.neon@gmail.com> writes:

> If you insert the format string into a temporary buffer, then the `read'
> function will read up to the closing parenthesis and update point
> accordingly. That would be a foolproof way to handle all possible Lisp
> forms: use a regexp to find the start, and then use `read' to find the end.
> Then proceed with regexp matching, and repeat like that.

Thanks for the suggestion! The patch is attached.

Best,
Ihor