GNU bug report logs - #7056
24.0.50; Spurious vars in C-h v completion

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

From: Chong Yidong <cyd <at> stupidchicken.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.0.50; Spurious vars in C-h v completion
Date: Fri, 17 Sep 2010 12:04:06 -0400

I see this in Emacs 23.1 onwards, including latest bzr trunk.

emacs -Q
C-h v beg RET

This pops up a *Help* buffer with the contents

   beg is void as a variable.

   Documentation:
   Not documented as a variable.

Similar for `end', `v', and `val'.  I think `v' and `val' come from
let-bindings in describe-variable; not sure about `beg' and `end'.

The call to completing-read in describe-variable should do something to
filter out these false completions.


GNU Emacs 24.0.50.1 (i686-pc-linux-gnu, GTK+ Version 2.20.1)
 of 2010-09-16 on furry

Message #8 received at 7056 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Chong Yidong <cyd <at> stupidchicken.com>
Cc: 7056 <at> debbugs.gnu.org
Subject: Re: bug#7056: 24.0.50; Spurious vars in C-h v completion
Date: Sat, 25 Sep 2010 23:16:30 +0200

> I see this in Emacs 23.1 onwards, including latest bzr trunk.
> emacs -Q
> C-h v beg RET

> This pops up a *Help* buffer with the contents

>    beg is void as a variable.

>    Documentation:
>    Not documented as a variable.

> Similar for `end', `v', and `val'.  I think `v' and `val' come from
> let-bindings in describe-variable; not sure about `beg' and `end'.

> The call to completing-read in describe-variable should do something to
> filter out these false completions.

Yup.  We could wait for the lexbind branch to be merged, or we can switch
to using lexical-let in that code.


        Stefan

Message #11 received at 7056 <at> debbugs.gnu.org (full text, mbox):

From: Leo <sdl.web <at> gmail.com>
To: 7056 <at> debbugs.gnu.org
Subject: Re: 24.0.50; Spurious vars in C-h v completion
Date: Tue, 05 Oct 2010 14:23:25 +0800

With the latest fix,  xs and val are still visible.

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