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[debbugs-tracker] bug#19714: closed (reftex under Xemacs 21.5.33 Mule)

From: GNU bug Tracking System
Subject: [debbugs-tracker] bug#19714: closed (reftex under Xemacs 21.5.33 Mule)
Date: Thu, 29 Jan 2015 14:55:02 +0000

Your message dated Thu, 29 Jan 2015 15:54:25 +0100
with message-id <address@hidden>
and subject line Re: bug#19714: reftex  under Xemacs 21.5.33 Mule
has caused the debbugs.gnu.org bug report #19714,
regarding reftex  under Xemacs 21.5.33 Mule
to be marked as done.

(If you believe you have received this mail in error, please contact

19714: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=19714
GNU Bug Tracking System
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--- Begin Message --- Subject: reftex under Xemacs 21.5.33 Mule Date: Wed, 28 Jan 2015 17:57:14 +0100


I just downloaded the latest reftex version from the GNU Emacs textmode
directory and compiled it with a list of compiler warnings. 

Then I enabled it and opened a Latex file, reftex mode was on, however 
when I try to run reftex-toc

I obtain an error (debug-on-error t) which I attach. I understand that
Xemacs compatibility is not guaranteed, since for quite a while reftex
is part of GNU Emacs. 

However I would like to know whether it could be made compatible with

I CC xemacs-beta

Emacs  : XEmacs 21.5  (beta33) "horseradish" [Lucid] (i686-pc-linux, Mule) of 
Fri Oct 17 2014 on Burrurr
Package: 21.5  (beta33) "horseradish" XEmacs Lucid

current state:
 window-system 'x
 reftex-plug-into-AUCTeX t

Attachment: reftex-GNU-bug.txt
Description: Text document

Attachment: smime.p7s
Description: S/MIME cryptographic signature

--- End Message ---
--- Begin Message --- Subject: Re: bug#19714: reftex under Xemacs 21.5.33 Mule Date: Thu, 29 Jan 2015 15:54:25 +0100 User-agent: Gnus/5.130012 (Ma Gnus v0.12) Emacs/25.0.50 (gnu/linux)
Uwe Brauer <address@hidden> writes:

>    >   2. remove `reftex-label-regexps' and stick to matching only
>    >      \label{...} labels without being able to match other things that
>    >      also produce labels
>    >      (or even simpler: remove the "?1" from the first regexp in
>    >      `reftex-label-regexps' and delete the second regexp.  Also make it
>    >      to a `defconst' to indicate that nobody should touch it.)
> Do you mean a split in code here?
> wrapped around a 
>  (when (featurep 'xemacs)
> Simplified version
> )
> something like this?

What I mean is exactly this:

--8<---------------cut here---------------start------------->8---
(if (featurep 'xemacs)
    (defconst reftex-label-regexps '("\\\\label{\\([^}]*\\)}"))
  (defcustom reftex-label-regexps
    '(;; Normal \\label{foo} labels
      ;; keyvals [..., label = {foo}, ...] forms used by ctable,
      ;; listings, minted, ...
    "List of regexps matching \\label definitions.
The default value matches usual \\label{...} definitions and
keyval style [..., label = {...}, ...] label definitions.  It is
assumed that the regexp group 1 matches the label text, so you
have to define it using \\(?1:...\\) when adding new regexps.

When changed from Lisp, make sure to call
`reftex-compile-variables' afterwards to make the change
    :version "24.4"
    :set (lambda (symbol value)
           (set symbol value)
           (when (fboundp 'reftex-compile-variables)
    :group 'reftex-defining-label-environments
    :type '(repeat (regexp :tag "Regular Expression"))))
--8<---------------cut here---------------end--------------->8---

> Suppose I come up with a solution the way you suggest it.  Would you
> then include the corresponding patch to reftex?

I've already committed the above to the emacs-24 branch which is synced
also to master regularly.

I'm closing this bug.


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