GNU bug report logs - #71840
30.0.60; Reference to non-existent variable in c-opt-extra-label-key docstring

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefankangas <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 30.0.60;
 Reference to non-existent variable in c-opt-extra-label-key docstring
Date: Sat, 29 Jun 2024 06:12:10 -0700

Severity: minor

There is a reference to a variable `c-nonlabel-decl-prefix-re` in the
`c-opt-extra-label-key` docstring (cc-langs.el:4400), but I can't find
that variable anywhere in our tree.

Message #8 received at 71840 <at> debbugs.gnu.org (full text, mbox):

From: Alan Mackenzie <acm <at> muc.de>
To: Stefan Kangas <stefankangas <at> gmail.com>
Cc: acm <at> muc.de, 71840 <at> debbugs.gnu.org
Subject: Re: bug#71840: 30.0.60; Reference to non-existent variable in
 c-opt-extra-label-key docstring
Date: Sun, 30 Jun 2024 20:33:25 +0000

Hello, Stefan.

On Sat, Jun 29, 2024 at 06:12:10 -0700, Stefan Kangas wrote:
> Severity: minor

> There is a reference to a variable `c-nonlabel-decl-prefix-re` in the
> `c-opt-extra-label-key` docstring (cc-langs.el:4400), but I can't find
> that variable anywhere in our tree.

How on Earth did you spot that?  :-)

Yes, it's true, that variable doesn't exist.  I've found the commit
where it came into the doc string (from 2003-11-21), and the variable
itself was not in that commit.  I can only assume that Martin (my
predecessor on CC Mode) created it as part of the patch, documented it,
then before committing the change decided it wasn't needed, but forgot
to amend the documentation.  Or something like that.

I'll fix the documentation in the next day or so.

Thanks!

-- 
Alan Mackenzie (Nuremberg, Germany).

Message #11 received at 71840 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefankangas <at> gmail.com>
To: Alan Mackenzie <acm <at> muc.de>
Cc: 71840 <at> debbugs.gnu.org
Subject: Re: bug#71840: 30.0.60; Reference to non-existent variable in
 c-opt-extra-label-key docstring
Date: Sun, 30 Jun 2024 16:31:02 -0700

Alan Mackenzie <acm <at> muc.de> writes:

> Hello, Stefan.
>
> On Sat, Jun 29, 2024 at 06:12:10 -0700, Stefan Kangas wrote:
>> There is a reference to a variable `c-nonlabel-decl-prefix-re` in the
>> `c-opt-extra-label-key` docstring (cc-langs.el:4400), but I can't find
>> that variable anywhere in our tree.
>
> How on Earth did you spot that?  :-)

I have a (very ugly and very slow) shell script that looks for symbols
that only show up once in our sources.  Many of them turn out to be
typos, though there is also a long list of false positives that it
ignores.

> I'll fix the documentation in the next day or so.

Thanks!

Message #16 received at 71840-done <at> debbugs.gnu.org (full text, mbox):

From: Alan Mackenzie <acm <at> muc.de>
To: Stefan Kangas <stefankangas <at> gmail.com>
Cc: 71840-done <at> debbugs.gnu.org, acm <at> muc.de
Subject: Re: bug#71840: 30.0.60; Reference to non-existent variable in
 c-opt-extra-label-key docstring
Date: Mon, 1 Jul 2024 20:45:18 +0000

Hello, Stefan.

On Sun, Jun 30, 2024 at 16:31:02 -0700, Stefan Kangas wrote:
> Alan Mackenzie <acm <at> muc.de> writes:

> > On Sat, Jun 29, 2024 at 06:12:10 -0700, Stefan Kangas wrote:
> >> There is a reference to a variable `c-nonlabel-decl-prefix-re` in the
> >> `c-opt-extra-label-key` docstring (cc-langs.el:4400), but I can't find
> >> that variable anywhere in our tree.

> > How on Earth did you spot that?  :-)

> I have a (very ugly and very slow) shell script that looks for symbols
> that only show up once in our sources.  Many of them turn out to be
> typos, though there is also a long list of false positives that it
> ignores.

I'm impressed.

> > I'll fix the documentation in the next day or so.

The fix is now committed to the emacs-30 branch.  I'm closing the bug
with this post.

> Thanks!

-- 
Alan Mackenzie (Nuremberg, Germany).

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