From: Mauro Aranda <maurooaranda@gmail.com>
To: 12533@debbugs.gnu.org
Subject: bug#12533: 24.2.50; incorrect behavior & formatting in Customize
Date: Wed, 25 Sep 2019 18:26:00 -0300 [thread overview]
Message-ID: <CABczVwdXROsS01rD5agbAo2go2S6UvHyZB3krZEYZ7EuOkLDng@mail.gmail.com> (raw)
In-Reply-To: <2DEA28BB84D4428985626E49AD69DE46@us.oracle.com>
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tags 12533 patch
quit
"Drew Adams" <drew.adams@oracle.com> writes:
> emacs -Q
>
> (defcustom foo ()
> "..."
> :type '(repeat (cons
> string
> (choice
> (const flimpo)
> (const nil)
> (other t))))
> :group 'edit)
>
> M-x customize-option foo
>
> Click button INS.
>
> (Optional: Enter something in field `String'.)
>
> Choose `Other' in `Value Menu'.
>
> An INS button pops up inappropriately under `Choice'. If you click it
> then it shows that it expects another `repeat' cell, at the wrong level.
I can reproduce this.
> This broken behavior happens as long as you choose `Other' in `Value
> Menu'. If you choose one of the other possibilities then Customize
> behaves correctly.
>
> To me this is clearly a bug. But it is so all the way back through
> Emacs 20. So I wonder - am I right? I cannot believe that this
> behavior is correct. What am I missing?
>
I think you are right. And it happens with the `Other' option, which
creates a widget of type `other', because that widget was defined with a
format string that contains the %n escape at the end of the string.
That escape add spaces (for indentation), after inserting a newline.
But it's not useful when at the end of the format string, because that
indents unconditionally the contents of the buffer that follow the
widget. The %n escape is better used in the middle of a format string,
to cause indentation of the contents that belong to the same widget.
Therefore, I think it is a mistake to have that %n in the format string
of the `other' widget, and I propose the attached patch.
Best regards,
Mauro.
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next prev parent reply other threads:[~2019-09-25 21:26 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-28 16:28 bug#12533: 24.2.50; incorrect behavior & formatting in Customize Drew Adams
2019-09-25 21:26 ` Mauro Aranda [this message]
2019-09-25 21:27 ` Mauro Aranda
2019-09-26 7:22 ` Eli Zaretskii
2019-09-26 11:17 ` Mauro Aranda
2019-09-26 14:53 ` Mauro Aranda
2019-09-26 15:16 ` Lars Ingebrigtsen
2019-09-27 12:32 ` Mauro Aranda
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