GNU bug report logs - #72404
30.0.60; Customization of options is broken

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From: Stephen Berman <stephen.berman <at> gmx.net>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 72404 <at> debbugs.gnu.org, jm <at> pub.pink, maurooaranda <at> gmail.com, juri <at> linkov.net
Subject: bug#72404: 30.0.60; Customization of options is broken
Date: Sun, 04 Aug 2024 12:00:23 +0200

On Sun, 04 Aug 2024 10:49:52 +0300 Eli Zaretskii <eliz <at> gnu.org> wrote:

>> From: Stephen Berman <stephen.berman <at> gmx.net>
>> Cc: john muhl <jm <at> pub.pink>,  juri <at> linkov.net,  maurooaranda <at> gmail.com,
>>   72404 <at> debbugs.gnu.org
>> Date: Thu, 01 Aug 2024 19:28:04 +0200
>>
>> On Thu, 01 Aug 2024 12:12:52 +0200 Stephen Berman <stephen.berman <at> gmx.net> wrote:
>>
>> I did happen to have a bit more time for this problem, and I think I've
>> found the cause, a single line in commit 8d354925ddb:
>>
>> diff --git a/lisp/wid-edit.el b/lisp/wid-edit.el
>> index 693991a6f3e..aa653549dad 100644
>> --- a/lisp/wid-edit.el
>> +++ b/lisp/wid-edit.el
>> @@ -2549,7 +2549,8 @@ widget-checklist-add-item
>>  			    (t
>>  			     (widget-create-child-value
>>  			      widget type (car (cdr chosen)))
>> -                             (widget-specify-selected child)))))
>> +                             ;; (widget-specify-selected child)
>> +                             ))))
>>  	       (t
>>  		(error "Unknown escape `%c'" escape)))))
>>       ;; Update properties.
>>
>> With this line commented out as in the above patch, I get the expected
>> value when carrying out Juri's recipe.  Moreover, after making that
>> change, I then briefly tested customizing the face widget-unselected
>> (which the problematic commit added) to inherit from the default face
>> and it shows the labels of unselected check boxes in the default face,
>> as it should.  So maybe deleting the commented out line above and
>> leaving the rest of the change is a sufficient fix.  But I have to admit
>> I don't know why that line causes the problem, and I haven't done enough
>> testing of this change to the widget-unselected face feature, so this is
>> just a status report.
>
> Thanks, I installed the above fix.

Thanks, this seems at least a plausible stopgap.

> It turns out the same problem also caused bug#72156, so I've now
> merged them.
>
> I'm leaving this bug open, in the hope that you or someone else will
> find the root cause for the regression and fix it.

I will try to debug it further, but I do hope Mauro or someone else more
familiar with the widget and custom code than I am will look into it.

Steve Berman

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