From: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: rms@gnu.org, xemacs-beta@xemacs.org, emacs-devel@gnu.org,
stephen@xemacs.org, bpalmer@rescomp.stanford.edu, miles@gnu.org
Subject: Re: intern-soft, find-face/get-face, and facep for determining faces' definedness
Date: Wed, 03 Nov 2004 10:48:00 -0500 [thread overview]
Message-ID: <jwvfz3rrlga.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <82ekjbrn7k.fsf@us.dmz.local> (Zajcev Evgeny's message of "Wed, 03 Nov 2004 18:01:19 +0300")
> The thing is that XEmacsen `facep' returns non-nil only on face
> objects, not on their names or anything else, however `get-face' does
> all tricks - it returns face object getting face object or face name
> or anything else as input. Here is:
My question was not "how do I do it with XEmacs".
It was "why does XEmacs do it this way".
The `foo-bar-p' runtime-type-check predicates like `commandp',
`functionp', `keymapp', `facep', `markerp', `stringp', `hash-table-p',
`char-table-p' are traditionally linked to the functions that operate on
them such that:
- (functionp foo) is non-nil iff you can pass `foo' to `funcall'.
- (commandp foo) is non-nil iff you can pass `foo' to `command-execute'.
- (keymapp foo) is non-nil iff you can pass it to `lookp-key'.
...
I'd thus expect that (facep foo) should return non-nil iff foo can be passed
to set-face-<bar> and similar functions.
Stefan
next prev parent reply other threads:[~2004-11-03 15:48 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-01 21:40 intern-soft, find-face/get-face, and facep for determining faces' definedness Brian Palmer
2004-11-02 6:14 ` Stephen J. Turnbull
2004-11-02 7:28 ` Brian Palmer
2004-11-02 7:45 ` Miles Bader
2004-11-02 8:48 ` Brian Palmer
2004-11-02 9:08 ` Miles Bader
2004-11-02 9:21 ` Brian Palmer
2004-11-02 9:50 ` Miles Bader
2004-11-02 12:06 ` Stephen J. Turnbull
2004-11-02 22:20 ` Miles Bader
2004-11-06 9:31 ` Oliver Scholz
2004-11-02 11:07 ` Stephen J. Turnbull
2004-11-02 12:01 ` Stefan
2004-11-02 22:23 ` Miles Bader
2004-11-03 12:45 ` Richard Stallman
2004-11-03 14:15 ` Stefan Monnier
2004-11-03 15:01 ` Zajcev Evgeny
2004-11-03 15:20 ` Andreas Schwab
2004-11-03 15:54 ` Zajcev Evgeny
2004-11-04 9:28 ` Stephen J. Turnbull
2004-11-03 15:48 ` Stefan Monnier [this message]
2004-11-04 3:41 ` Stephen J. Turnbull
2004-11-05 7:55 ` Stefan
2004-11-09 14:41 ` Stephen J. Turnbull
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