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Re: :format strings in Custom ending in %h


From: Per Abrahamsen
Subject: Re: :format strings in Custom ending in %h
Date: Tue, 21 Oct 2003 14:03:23 +0200
User-agent: Gnus/5.1003 (Gnus v5.10.3) Emacs/21.2 (gnu/linux)

Luc Teirlinck <address@hidden> writes:

> Did you change your mind about the next to last paragraph?

No, I'm just waiting for a go-ahead.

RMS: Should I apply the patch?

And should I try to make the follow-up changes to obsolete
widget-children-value-delete and document the new behavior?

Luc Teirlinck <address@hidden> writes:

> I am about ready to submit a file for inclusion in Emacs.  It contains
> a complex defcustom which does not function properly without the
> following patch.  I have applied this patch to my own Emacs CVS and
> have used it ever since the end of August without problems.  The patch
> is needed to fix an annoying problem in Custom which we discussed at
> the end of August.  I had the impression that you were going to commit
> something along these lines:
>
> 2003-08-24  Per Abrahamsen  <address@hidden>
>
>         * wid-edit.el (widget-default-delete): Always delete child
>           widgets.
>
> *** wid-edit.el.~1.120.~        Thu Aug 21 14:17:37 2003
> --- wid-edit.el Sun Aug 24 17:37:04 2003
> ***************
> *** 1465,1470 ****
> --- 1465,1471 ----
>         (inhibit-modification-hooks t)
>         (inhibit-read-only t))
>       (widget-apply widget :value-delete)
> +     (widget-children-value-delete widget)
>       (when inactive-overlay
>         (delete-overlay inactive-overlay))
>       (when button-overlay
>
> Old follow-up message (from Per Abrahamsen):
>
>     Luc Teirlinck <address@hidden> writes:
>
>     > I guess that after applying this patch
>     > `widget-children-value-delete'
>     > will become a pretty redundant value for :value-delete, essentially
>     > equivalent with `ignore'.
>
>     Yes, if we apply this patch we probably also should change all these
>     values, mark widget-children-value-delete as obsolete (and inline the
>     code in widget-default-delete), and document this property of :buttons
>     and :children somewhere.
>
>     But I don't know if there is some code that depend on :buttons and
>     :children *not* being deleted recursively.  Maybe applying the patch
>     will be the easiest way to find out.
>
>     Oh, and we probably should find other places where :buttons and
>     :children are deleted (now) reduntantly, and adjust those.
>
> Did you change your mind about the next to last paragraph?
>
>>From diffing with the current CVS, I noticed that the actual complete
> patch I have been using since August (and hence has been tested for a
> while) is the diff below.  I believe your patch above (included in the
> one below) makes the second (earlier) change redundant however.  I
> just forgot to remove it after applying your patch above.
>
> d ~/
> diff -c /home/teirllm/emacscvsdir/emacs/lisp/wid-edit.el  ;; (current CVS)
> /home/teirllm/wid-edit.el ;; personal, used since end August.
> *** /home/teirllm/emacscvsdir/emacs/lisp/wid-edit.el  Mon Oct 20
> 11:00:20 2003
> --- /home/teirllm/wid-edit.el Tue Sep  2 07:38:18 2003
> ***************
> *** 1465,1470 ****
> --- 1465,1471 ----
>     (inhibit-modification-hooks t)
>     (inhibit-read-only t))
>       (widget-apply widget :value-delete)
> +     (widget-children-value-delete widget)
>       (when inactive-overlay
>         (delete-overlay inactive-overlay))
>       (when button-overlay
> ***************
> *** 1556,1562 ****
>     "Constant items for inclusion in other widgets."
>     :convert-widget 'widget-value-convert-widget
>     :value-create 'widget-item-value-create
> !   :value-delete 'ignore
>     :value-get 'widget-value-value-get
>     :match 'widget-item-match
>     :match-inline 'widget-item-match-inline
> --- 1557,1563 ----
>     "Constant items for inclusion in other widgets."
>     :convert-widget 'widget-value-convert-widget
>     :value-create 'widget-item-value-create
> !   :value-delete 'widget-children-value-delete
>     :value-get 'widget-value-value-get
>     :match 'widget-item-match
>     :match-inline 'widget-item-match-inline
>
> Diff finished at Mon Oct 20 11:05:58





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