GNU bug report logs - #16744
24.3.50; REGRESSION: C-h v does not show doc for `ediff-highlight-all-diffs'

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Message #14 received at 16744 <at> debbugs.gnu.org (full text, mbox):

From: Michael Kifer <michael.kifer <at> stonybrook.edu>
To: Eli Zaretskii <eliz <at> gnu.org>, Drew Adams <drew.adams <at> oracle.com>
Cc: "16744 <at> debbugs.gnu.org" <16744 <at> debbugs.gnu.org>
Subject: Re: bug#16744: 24.3.50;
 REGRESSION: C-h v does not show doc for `ediff-highlight-all-diffs'
Date: Fri, 14 Feb 2014 02:53:31 -0500

Strange. When I run it with .emacs, then

M-x describe-variable ediff-highlight-all-diffs

returns

Documentation:
If nil, only the selected differences are highlighted.
Otherwise, all difference regions are highlighted, but the selected 
region is
shown in brighter colors.

But if it is started with emacs -q then the documentation string is not 
shown.

--

       --- michael



On 02/13/2014 03:29 PM, Eli Zaretskii wrote:
>> Date: Thu, 13 Feb 2014 11:31:58 -0800 (PST)
>> From: Drew Adams <drew.adams <at> oracle.com>
>>
>> emacs -Q
>> M-x load-library ediff
>> C-h v ediff-highlight-all-diffs
>>
>> No doc shown, just an empty "Documentation:".
> That's because of the ediff-defvar-local macro:
>
>    (defcustom ediff-highlight-all-diffs t
>      "If nil, only the selected differences are highlighted.
>    Otherwise, all difference regions are highlighted, but the selected region is
>    shown in brighter colors."
>      :type 'boolean
>      :group 'ediff-highlighting)
>    (ediff-defvar-local ediff-highlight-all-diffs t "")
>
> It is invoked (here and elsewhere) with an empty string as the doc, so
> that's what you get.
>
> Michael, what's the purpose here?

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