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Subject: |
23.1; Undocumented key :value-to-internal in customize system |
Date: |
Sat, 13 Feb 2010 11:36:01 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) |
Some customize options use key :value-to-internal with customize type
"repeat". One example is variable message-ignored-news-headers in
lisp/gnus/message.el:
(defcustom message-ignored-news-headers
"^NNTP-Posting-Host:\\|^Xref:\\|^[BGF]cc:\\|^Resent-Fcc: [...]
"*Regexp of headers to be removed unconditionally before posting."
:group 'message-news
:group 'message-headers
:link '(custom-manual "(message)Message Headers")
:type '(repeat :value-to-internal (lambda (widget value)
(custom-split-regexp-maybe value))
:match (lambda (widget value)
(or (stringp value)
(widget-editable-list-match widget value)))
regexp))
(I cut one long line and added ellipsis "[...]".)
:value-to-internal key doesn't seem to be documented anywhere so I
consider this a documentation bug. Please add a description for the key
- perhaps to the info node "(elisp) Type Keywords" - because it seems
very useful for Emacs extension writers.
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--- Begin Message ---
Subject: |
Re: bug#5572: 23.1; Undocumented key :value-to-internal in customize system |
Date: |
Sat, 13 Feb 2010 21:59:51 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) |
* 2010-02-13 14:21 (-0500), Glenn Morris wrote:
> Teemu Likonen wrote:
>
>> :value-to-internal key doesn't seem to be documented anywhere so I
>> consider this a documentation bug.
>
> Custom uses the widget library, and this is documented in widget.texi.
Ah, thanks for the info. I didn't know about the Widget library at all.
Well, I'll just close this bug then.
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