GNU bug report logs - #19900
24.4; info-look.el quotes from makeinfo @item

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Kevin Ryde <user42_kevin <at> yahoo.com.au>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.4; info-look.el quotes from makeinfo @item
Date: Thu, 19 Feb 2015 16:40:47 +1100

[Message part 1 (text/plain, inline)]

Tags: patch

Recent makeinfo on @item generates forward quote 'foo' rather than
backquote `foo' which it used to.  info-look.el doesn't match the
forward 'foo' in various places which are @table (as opposed to @defun
etc).  For example with the glibc manual,

    M-x c-mode
    DBL_MAX          # type this
    C-h S            # and look it up
    =>
    goes to "Floating Point Parameters" node,
    but does not go down to the DBL_MAX entry

I suggest adding ' to the prefix regexps of relevant doc specs.

The latex-mode bit is a further small change to its suffix to match
\frac and \sqrt of the latex2e.info.

2015-02-19  Kevin Ryde  <user42_kevin <at> yahoo.com.au>

	* info-look.el (c-mode, bison-mode, makefile-mode)
	(makefile-automake-mode, texinfo-mode, autoconf-mode, awk-mode)
	(latex-mode, emacs-lisp-mode, sh-mode, cfengine-mode): Match both
	`foo' and 'foo' for @item and similar.
	(emacs-lisp-mode): U+2018,U+2019 in emacs.info and elisp.info too.
	(latex-mode): Match multi-arg \frac{num}{den} or \sqrt[root]{n} in
	suffix regexp

[info-look.el.diff (text/x-diff, attachment)]

[Message part 3 (text/plain, inline)]

In GNU Emacs 24.4.1 (i586-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2014-12-20 on brahms, modified by Debian
Windowing system distributor `The X.Org Foundation', version 11.0.11604000
Configured using:
 `configure --build i586-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/24.4/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.4/site-lisp:/usr/share/emacs/site-lisp
 --build i586-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/24.4/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.4/site-lisp:/usr/share/emacs/site-lisp
 --with-x=yes --with-x-toolkit=lucid --with-toolkit-scroll-bars
 --without-gconf --without-gsettings 'CFLAGS=-g -O2
 -fstack-protector-strong -Wformat -Werror=format-security -Wall'
 CPPFLAGS=-D_FORTIFY_SOURCE=2 LDFLAGS=-Wl,-z,relro'

Message #8 received at 19900 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Kevin Ryde <user42_kevin <at> yahoo.com.au>
Cc: 19900 <at> debbugs.gnu.org
Subject: Re: bug#19900: 24.4; info-look.el quotes from makeinfo @item
Date: Thu, 19 Feb 2015 08:11:19 +0200

> From: Kevin Ryde <user42_kevin <at> yahoo.com.au>
> Date: Thu, 19 Feb 2015 16:40:47 +1100
> 
> Recent makeinfo on @item generates forward quote 'foo' rather than
> backquote `foo' which it used to.  info-look.el doesn't match the
> forward 'foo' in various places which are @table (as opposed to @defun
> etc).

These two characters are actually customizable in the latest Texinfo
(although I doubt that many people use that feature).  So perhaps
there should be a defcustom for them, so users could use other
characters if needed.

> 2015-02-19  Kevin Ryde  <user42_kevin <at> yahoo.com.au>
> 
> 	* info-look.el (c-mode, bison-mode, makefile-mode)
> 	(makefile-automake-mode, texinfo-mode, autoconf-mode, awk-mode)
> 	(latex-mode, emacs-lisp-mode, sh-mode, cfengine-mode): Match both
> 	`foo' and 'foo' for @item and similar.
> 	(emacs-lisp-mode): U+2018,U+2019 in emacs.info and elisp.info too.
> 	(latex-mode): Match multi-arg \frac{num}{den} or \sqrt[root]{n} in
> 	suffix regexp

Why do you confine U+2018 and U+2019 to Emacs manuals?  AFAIK, they
will appear in any manual that has its @documentencoding set to UTF-8.
So I think you can see that in any manual any time.

Thanks.

Message #13 received at 19900-done <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 19900-done <at> debbugs.gnu.org, Kevin Ryde <user42_kevin <at> yahoo.com.au>
Subject: Re: bug#19900: 24.4; info-look.el quotes from makeinfo @item
Date: Fri, 13 Mar 2015 11:17:08 -0700

[Message part 1 (text/plain, inline)]

> Why do you confine U+2018 and U+2019 to Emacs manuals?  AFAIK, they
> will appear in any manual that has its @documentencoding set to UTF-8.
> So I think you can see that in any manual any time.

Yes, that sounds right.  I installed Kevin's patch with that change; the 
resulting patch is attached.  (This patch uses the characters themselves rather 
than \uXXXX escapes, for readability.)  Thanks for reporting the problem, Kevin. 
 Marking this as done.

[info-look.patch (text/x-patch, attachment)]

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