* nroff-mode .\" comment filling
@ 2007-09-23 1:01 Kevin Ryde
0 siblings, 0 replies; only message in thread
From: Kevin Ryde @ 2007-09-23 1:01 UTC (permalink / raw)
To: bug-gnu-emacs
I've had a bit of trouble trying to get .\" recognised as a comment
prefix when filling in nroff mode. In simplified form,
emacs -Q
(progn
(switch-to-buffer "foo")
(nroff-mode)
(setq comment-start-skip "\\(^[.]\\)?[\\]\"[ \t]*")
(setq fill-column 20)
(insert ".\\\" this is a line of text more then twenty chars\n")
(goto-char (point-min)))
and press M-q gives
.\" this is a line
\" of text more
\" then twenty
\" chars
where I hoped it would be .\" instead of \" on the new lines.
A .\" like this is quite common, in fact I think it's usual in man
pages. I wondered if comment-start had to be set, but adding
(setq comment-start ".\\\"")
into the above doesn't change the result. As I mentioned on the sources
list I nosed around a bit and was suspicious that comment-search-forward
seems to choose \" even when point is right on a .\" Both of course
match, but I think I would have expected the first match of
comment-start-skip on a line to be what's used.
In GNU Emacs 22.1.1 (i486-pc-linux-gnu, GTK+ Version 2.10.13)
of 2007-07-07 on raven, modified by Debian
configured using `configure '--build=i486-linux-gnu' '--host=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/emacs22:/etc/emacs:/usr/local/share/emacs/22.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/22.1/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/22.1/leim' '--with-x=yes' '--with-x-toolkit=gtk' '--with-toolkit-scroll-bars' 'build_alias=i486-linux-gnu' 'host_alias=i486-linux-gnu' 'CFLAGS=-DDEBIAN -g -O2''
Important settings:
value of $LC_ALL: nil
value of $LC_COLLATE: nil
value of $LC_CTYPE: nil
value of $LC_MESSAGES: nil
value of $LC_MONETARY: nil
value of $LC_NUMERIC: nil
value of $LC_TIME: nil
value of $LANG: en_AU
locale-coding-system: iso-8859-1
default-enable-multibyte-characters: t
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2007-09-23 1:01 nroff-mode .\" comment filling Kevin Ryde
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