GNU bug report logs - #6931
24.0.50; fringe-mode

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From: "Drew Adams" <drew.adams <at> oracle.com>
To: 6931 <at> debbugs.gnu.org
Subject: bug#6931: 24.0.50; fringe-mode
Date: Fri, 27 Aug 2010 15:50:32 -0700

Command `fringe-mode' is not normal.  It does not act as a normal mode
command.  And its variable, `fringe-mode', does not act as a normal mode
variable.  This is not good for users or for Lisp coders.  If you are
going to keep this behavior, then do not use "-mode" in the name at all
- call it `fringe-mess' or something instead.
 
Code that tests a mode variable should be able to treat a value of nil
as meaning that the mode is turned off.  In this case, that would mean
there is no fringe.  Not so, however.
 
If you want the value of variable `fringe-mode' to provide the fringe
width also, then 0 and nil should give the same info: fringe is not
shown.  If you want a special value that means "the default width", then
use the symbol `default' or something - do not use nil to mean a default
width of 8.
 
This command and its variable are a mess.
 

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'
 

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