GNU bug report logs - #15006
24.3; emacs manual comment-start-skip example grouping

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From: Kevin Ryde <user42 <at> zip.com.au>
To: 15006 <at> debbugs.gnu.org
Subject: bug#15006: 24.3; emacs manual comment-start-skip example grouping
Date: Fri, 02 Aug 2013 10:48:36 +1000

In the emacs manual info node "(emacs)Options for Comments" an example
comment-start-skip is given

    "\\(//+\\|/\\*+\\)\\s *"

If I understand the comment-start-skip docstring correctly a \(..\)
group is for extra distinguishing text preceding the comment.  Should
that example be a shy group, or perhaps expanded out to ungroup like
vera-mode.el has?

    "/\\*+ *\\|//+ *"

I also wondered whether the whitespace "\\s *" in the example was a
little too loose since it matches \n and leading whitespace of the next
line too.  Does that matter to anything?



In GNU Emacs 24.3.1 (i486-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2013-05-29 on blah.blah, modified by Debian
System Description:	Debian GNU/Linux 7.0 (wheezy)

Configured using:
 `configure '--build' 'i486-linux-gnu' '--build' 'i486-linux-gnu'
 '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib'
 '--localstatedir=/var/lib' '--infodir=/usr/share/info'
 '--mandir=/usr/share/man' '--with-pop=yes'
 '--enable-locallisppath=/etc/emacs24:/etc/emacs:/usr/local/share/emacs/24.3/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.3/site-lisp:/usr/share/emacs/site-lisp'
 '--with-crt-dir=/usr/lib/i386-linux-gnu' '--with-x=yes'
 '--with-x-toolkit=lucid' '--with-toolkit-scroll-bars' '--without-gconf'
 'build_alias=i486-linux-gnu' 'CFLAGS=-g -O2 -fstack-protector
 --param=ssp-buffer-size=4 -Wformat -Werror=format-security -Wall'
 'LDFLAGS=-Wl,-z,relro -Wl,-znocombreloc'
 'CPPFLAGS=-D_FORTIFY_SOURCE=2''

Important settings:
  value of $LANG: en_AU
  locale-coding-system: iso-latin-1-unix
  default enable-multibyte-characters: t

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