Subject: bug#49944: parse-partial-sexp fails to signal an error when (> START LIMIT).

From: Lars Ingebrigtsen <[email-masked]>
Date: Sat, 21 Aug 2021 15:24:20 +0200

Alan Mackenzie <[email-masked]> writes:

> Emacs-28, emacs started with site-start.el and .emacs.
>
> On calling
>
>     (parse-partial-sexp 19 18 nil nil s)
>
> Emacs surely ought to signal an error, since 18 < 19.  It doesn't,
> though.  It leaves point at a random position and returns
>
>     (0 nil nil nil nil nil 0 nil nil nil nil)
>
> This is a bug.

I've now made this change (and the doc string clarification discussed).
There are no test failures after the change, and I'm not getting any
errors when running it normally, either.

-- 
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   bloggy blog: http://lars.ingebrigtsen.no