GNU bug report logs - #24542
25.1.50; The symbol `@' and sexp scanning

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Package: emacs;

Reported by: Michael Heerdegen <michael_heerdegen <at> web.de>

Date: Sun, 25 Sep 2016 17:43:02 UTC

Severity: minor

Tags: confirmed

Merged with 11314

Found in versions 24.1.50, 25.1.50, 27.0.50

Done: Stefan Monnier <monnier <at> iro.umontreal.ca>

Bug is archived. No further changes may be made.

Full log

Message #8 received at 24542 <at> debbugs.gnu.org (full text, mbox):

From: Michael Heerdegen <michael_heerdegen <at> web.de>
To: 24542 <at> debbugs.gnu.org
Subject: Re: bug#24542: 25.1.50; The symbol `@' and sexp scanning
Date: Mon, 02 Jan 2017 17:58:48 +0100

Michael Heerdegen <michael_heerdegen <at> web.de> writes:

> insert
>
>     (eq element '@)
>
> in an elisp mode buffer (e.g. scratch).  Put point at the quote or the
> "@".  Eval
>
>     (goto-char (scan-sexps (point) 1))
>
> and you get an error like:
>
>
> Debugger entered--Lisp error: (scan-error "Containing expression ends
> prematurely" 15 16)

It seems that you can replace the symbol `@' in this recipe with any
symbol whose name has the form "@+", i.e. `@@' or `@@@' or...  When the
symbol contains only one character different from "@", it doesn't seem
to happen.


Michael.
This bug report was last modified 1 year and 40 days ago.

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