From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Lawrence Mitchell Newsgroups: gmane.emacs.bugs Subject: bug#7751: 24.0.50; `fill-paragraph' on doc string with colons Date: Tue, 28 Dec 2010 21:36:07 +0000 Message-ID: References: <3F4673E9CCED46A0BD9BA6B9BDF5DF8D@us.oracle.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1293573213 16174 80.91.229.12 (28 Dec 2010 21:53:33 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 28 Dec 2010 21:53:33 +0000 (UTC) To: bug-gnu-emacs@gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Dec 28 22:53:29 2010 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1PXhU0-0004hG-Hy for geb-bug-gnu-emacs@m.gmane.org; Tue, 28 Dec 2010 22:53:28 +0100 Original-Received: from localhost ([127.0.0.1]:39780 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PXhU0-0006dX-5R for geb-bug-gnu-emacs@m.gmane.org; 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Tue, 28 Dec 2010 16:36:27 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PXhDR-0005ac-HO for bug-gnu-emacs@gnu.org; Tue, 28 Dec 2010 16:36:26 -0500 Original-Received: from lo.gmane.org ([80.91.229.12]:36129) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PXhDR-0005aE-Bz for bug-gnu-emacs@gnu.org; Tue, 28 Dec 2010 16:36:21 -0500 Original-Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1PXhDO-0005jh-JX for bug-gnu-emacs@gnu.org; Tue, 28 Dec 2010 22:36:18 +0100 Original-Received: from cpc4-newt21-0-0-cust663.newt.cable.virginmedia.com ([92.232.54.152]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 28 Dec 2010 22:36:18 +0100 Original-Received: from wence by cpc4-newt21-0-0-cust663.newt.cable.virginmedia.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 28 Dec 2010 22:36:18 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 57 Original-X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: cpc4-newt21-0-0-cust663.newt.cable.virginmedia.com User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) Cancel-Lock: sha1:pawU3DBxOSd5Fbwp9fqdh6K8j3E= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Tue, 28 Dec 2010 16:30:04 -0500 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:42900 Archived-At: Drew Adams wrote: > This is a regression introduced in Emacs 22.1. There is no such problem > in Emacs 20 or 21. [...] > The same problem occurs if you change "allowed:" to "allowed.", > "allowed!", "allowed?", "allowed,", or just "allowed", and no matter how > much space you leave after it. The same problem occurs if you remove > "allowed:" altogether, i.e., with "The usual menu keywords are :enable, > ...". Here's an even more minimal test-case: emacs -Q (setq emacs-lisp-docstring-fill-column 30) (insert "\"a word, another word and more :bar\"") M-q gives a break of: | a word, another word and | more :bar whereas one would expect | a word, another word and more | :bar The problem appears to be in the regexp used to define paragraph-start in lisp-fill-paragraph: ... (let ((paragraph-start (concat paragraph-start "\\|\\s-*\\([(;:\"]\\|`(\\|#'(\\)")) ... Removing the colon leads to "expected" line breaking. FWIW, the colon was introduced by this commit: commit cd3f5084abdd59a8392cedee90ddbaa096d61d55 Author: Dave Love Date: Wed Mar 18 16:02:37 1998 +0000 (lisp-fill-paragraph): Adjust paragraph-start in default filling case so that filling doc strings works. Cheers, Lawrence -- Lawrence Mitchell