From: "Drew Adams" <drew.adams@oracle.com>
To: "'Eli Zaretskii'" <eliz@gnu.org>, <help-gnu-emacs@gnu.org>
Subject: RE: Using the same custom file in two different OSes
Date: Thu, 17 Jan 2013 08:57:41 -0800 [thread overview]
Message-ID: <B631334DEB33487EA3B8F43E9CE29078@us.oracle.com> (raw)
In-Reply-To: <834nif93ed.fsf@gnu.org>
> > `window-system' has the advantage that it works with older
> > Emacs releases.
>
> Only if you want to support Emacs versions before 21.1.
Fair enough. However, even in the final Emacs 22 release there are _many_ uses
of `window-sytem' as a predicate in the Gnu Emacs source code, even though
`display-graphic-p' was introduced two releases before that.
Heck, even in the latest Gnu Emacs development source code, to be Emacs 24.3,
there are still many such "deprecated" uses, AFAICT.
Here is a typical one, in dframe.el:
;; On a terminal, raise the frame or the user will
;; be confused.
(if (not window-system)
(select-frame (symbol-value frame-var)))
In case you think dframe.el is a bit exotic, see the basic libraries faces.el
and frame.el, where there are also several such uses.
And frame.el is the very file where `display-graphic-p' is *defined*. It is
called only 3 times in that file, while `window-system' seems to be used there
as a predicate 7 times.
Nobody's perfect, of course.
next prev parent reply other threads:[~2013-01-17 16:57 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-13 22:00 Using the same custom file in two different OSes Dani Moncayo
2013-01-13 22:18 ` Drew Adams
2013-01-14 18:46 ` Dani Moncayo
2013-01-14 19:13 ` Drew Adams
2013-01-14 19:42 ` Dani Moncayo
2013-01-14 21:55 ` Peter Dyballa
2013-01-14 23:00 ` Dani Moncayo
2013-01-15 8:25 ` Didier Verna
2013-01-15 8:42 ` Dani Moncayo
2013-01-14 22:05 ` Drew Adams
2013-01-16 21:03 ` Dani Moncayo
[not found] ` <mailman.17633.1358371586.855.help-gnu-emacs@gnu.org>
2013-01-17 8:43 ` Sebastien Vauban
2013-01-17 14:19 ` Drew Adams
2013-01-17 14:38 ` Peter Dyballa
2013-01-17 15:22 ` Dani Moncayo
2013-01-17 16:38 ` Eli Zaretskii
2013-01-17 16:01 ` Drew Adams
2013-01-17 16:33 ` Eli Zaretskii
2013-01-17 16:32 ` Eli Zaretskii
2013-01-17 16:57 ` Drew Adams [this message]
2013-01-17 17:48 ` Eli Zaretskii
2013-01-17 18:15 ` Drew Adams
2013-01-17 18:44 ` Eli Zaretskii
2013-01-15 13:27 ` Stefan Monnier
2013-01-15 20:27 ` Dani Moncayo
[not found] ` <mailman.17532.1358281671.855.help-gnu-emacs@gnu.org>
2013-01-16 8:58 ` Sebastien Vauban
2013-01-16 20:35 ` Dani Moncayo
2013-01-16 12:59 ` Jason Rumney
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