GNU bug report logs - #6930
24.0.50; (elisp) Layout Parameters: What is ""the standard fringe width"?

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Package: emacs;

Reported by: "Drew Adams" <drew.adams <at> oracle.com>

Date: Fri, 27 Aug 2010 22:24:02 UTC

Severity: minor

Found in version 24.0.50

Done: Chong Yidong <cyd <at> stupidchicken.com>

Bug is archived. No further changes may be made.

Full log

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: "Drew Adams" <drew.adams <at> oracle.com>
To: <bug-gnu-emacs <at> gnu.org>
Subject: 24.0.50;
	(elisp) Layout Parameters: What is ""the standard fringe width"?
Date: Fri, 27 Aug 2010 15:22:49 -0700

The text says this:
 
     The default width of the left and right fringes of windows in this
     frame (*note Fringes::).  If either of these is zero, that
     effectively removes the corresponding fringe.  A value of `nil'
     stands for the standard fringe width, which is the width needed to
     display the fringe bitmaps.
 
If Lisp code wants to know how wide the left fringe is for a certain
frame, it can look at the value of parameter `left-fringe' (and at
variable `fringe-mode').  But if parameter `left-fringe' is nil, then
the fringe width is what?  It says the width is "the standard fringe
width".
 
Well, what's that?  "The width needed to display the fringe bitmaps."
Huh?  And how does it find out how wide that is for the target frame?
 
In GNU Emacs 24.0.50.1 (i386-mingw-nt5.1.2600)
 of 2010-08-16 on 3249CTO
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (4.4) --no-opt --cflags
-Ic:/imagesupport/include'
This bug report was last modified 14 years and 49 days ago.

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