bug#58558: 29.0.50; re-search-forward is slow in some buffers

[Stefan Monnier]

> parse_sexp_lookup_properties looks suspicious, so I checked the value of
> parse-sexp-lookup-properties in Org files on master vs. Emacs 28.
>
> On master, the value is t, even though Org mode does not set this
> variable. On Emacs 28, the value is nil.

Any chance you can now give a reproducible recipe of you
big&progressive slowdown?


        Stefan