From: Alan Mackenzie <acm@muc.de>
To: bug-gnu-emacs@gnu.org
Subject: bug#2002: `beginning-of-defun' pushes mark undocumentedly. It shouldn't!
Date: Fri, 23 Jan 2009 11:27:14 +0000 [thread overview]
Message-ID: <20090123112714.GA3056@muc.de> (raw)
Hi, Emacs!
I was "horrified" to find `beginning-of-defun' pushes the mark. OK,
maybe I should wake up, this having been done as long ago as 2004-05-01
in .../emacs-lisp/lisp.el 1.53.
However, this pushing of the mark is NOT DOCUMENTED, neither in the
Emacs nor the Elisp manual. THIS IS A BUG!!!!
This marking is fine (maybe) when a user types C-M-a. Actually, I think
it's of marginal utility - it's about as likely to be a nuisance as to
be helpful.
The marking is NOT ACCEPTABLE when begining-of-defun is used in a lisp
program. Using b-o-d in a program is a reasonable thing to do.
The feature, if it is to remain must be documented in both manuals. OK,
I'm volunteering to do this. ;-)
POSSIBLE FIXES
==============
1. A new customizable option, with a name better than
`defun-movement-leaves-mark'. This could be bound to nil by lisp
programs.
2. Document that lisp programs should use `beginning-of-defun-raw'.
(Does this exist in XEmacs?).
3. Revert b-o-d to leaving the mark well alone.
What do people think?
--
Alan Mackenzie (Nuremberg, Germany).
next reply other threads:[~2009-01-23 11:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20090125234411.GB6588@muc.de>
2009-01-23 11:27 ` Alan Mackenzie [this message]
2009-01-24 0:52 ` bug#2002: `beginning-of-defun' pushes mark undocumentedly. It shouldn't! Glenn Morris
2009-01-25 23:36 ` Alan Mackenzie
2009-01-25 23:35 ` bug#2002: marked as done (`beginning-of-defun' pushes mark undocumentedly. It shouldn't!) Emacs bug Tracking System
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