bug#81611: 31.0.90; show-paren-mode reports false mismatch

Stefan Monnier via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <[email protected]> Wed, 12 Aug 2026 15:50:24 -0400

Newsgroups	gmane.emacs.bugs
Message-ID	<[email protected]>

> Suggested fix: Before narrowing, check syntax-ppss at the cutoff; if it
> is inside a string or comment, don't cut there -- but snap forward (or
> backward) to a position outside strings/comments.

+1

And I believe the "snap forward" can be done by `parse-partial-sexp` with
COMMENTSTOP arg of `syntax-table`.  The snap backward is simpler (just
jump to (nth 8 ppss)), but could jump very far back if the
string/comment is very long.


=== Stefan