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[AUCTeX] RE: Contribution to AUCTeX

From: Vincent Belaïche
Subject: [AUCTeX] RE: Contribution to AUCTeX
Date: Sun, 30 May 2010 09:34:13 +0200


Please ignore the previous patch file, and consider the one attached to
this file.


> From: address@hidden
> To: address@hidden; address@hidden
> CC: address@hidden
> Subject: Contribution to AUCTeX
> Date: Sun, 30 May 2010 07:20:58 +0200
> Hello,
> Here is a contribution to AUCTeX, this is to add the mark-environement
> to the Texinfo mode.
> Vincent.
> PS--1: I also took the opportunity of this change to optimize the
> regexp. I know that it is bad practice to make two changes in the same
> patch, but that seemed so minor to me, that I could not resist the
> temptation.
> PS-0: I had to make tricks with beginning-of-line, because
> Texinfo-find-env-end and Texinfo-find-env-start do not work axactly the
> same way as LaTeX-find-matching-end and LaTeX-find-matching-beginning. I
> don't know whether this is the good way, or it would have been
> preferable to align Texinfo-find-env-end and Texinfo-find-env-start on
> the LaTeX way.
> PS-1: I had indicated a bug with Texinfo some while ago ([Bug-AUCTeX]
> Can't TeX-font on latex2e.texi). Latest mail was on (2010-04-30). Sorry
> I cannot reproduce that me too now. I don't know what really happened
> now, when I debugged it, there was some style hook breaking
> TeX-font-list with the LaTeX one, but now it works fine. sorry for the
> disturbance I caused.
> PS-2: Ralf, I realize that I had never answer to your question:
> > By the way, which email address did you use for the assignment.
> > Hotmail or Gmail? (I've used the Gmail address for the ChangeLog
> > entry for now.)
> Well, frankly speaking that was so long a time ago that I don't remember
> which one I used in the assignment. I usually use the hotmail address
> for mailing lists, and the following address (mapped to the gmail
> address) for Changelogs: (format "vincentb1%cusers%csourceforge%cnet" 64
> 46 46). FYI, I read
> my gmail significantly more often than my hotmail.
*** tex-info.el.old     Sat Jun 27 21:08:15 2009
--- c:/Programme/GNU/emacs-extension/lisp/auctex/tex-info.el    Sun May 30 
07:29:24 2010
*** 55,61 ****
  (defconst texinfo-environment-regexp
    ;; Overwrite version from `texinfo.el'.
    (concat "address@hidden("
!         (mapconcat 'car Texinfo-environment-list "\\|")
    "Regexp for environment-like Texinfo list commands.
  Subexpression 1 is what goes into the corresponding address@hidden' 
--- 55,61 ----
  (defconst texinfo-environment-regexp
    ;; Overwrite version from `texinfo.el'.
    (concat "address@hidden("
!         (regexp-opt (mapcar 'car Texinfo-environment-list))
    "Regexp for environment-like Texinfo list commands.
  Subexpression 1 is what goes into the corresponding address@hidden' 
*** 152,157 ****
--- 152,185 ----
          (goto-char (match-beginning 0))
        (error "Can't locate start of current environment")))))
+ (defun Texinfo-mark-environment (&optional count)
+   "Set mark to end of current environment and point to the matching begin.
+ If prefix argument COUNT is given, mark the respective number of
+ enclosing environments.  The command will not work properly if
+ there are unbalanced begin-end pairs in comments and verbatim
+ environments."
+   (interactive "p")
+   (setq count (if count (abs count) 1))
+   (let ((cur (point)) beg end)
+     ;; Only change point and mark after beginning and end were found.
+     ;; Point should not end up in the middle of nowhere if the search fails.
+     (save-excursion
+       (dotimes (c count) 
+       (Texinfo-find-env-end)
+       (beginning-of-line 2))
+       (setq end (line-beginning-position))
+       (goto-char cur)
+       (dotimes (c count)
+       (Texinfo-find-env-start)
+       (unless (= (1+ c) count)
+         (beginning-of-line 0)))
+       (setq beg (point)))
+     (set-mark end)
+     (goto-char beg)
+     (TeX-activate-region)))
  (defun Texinfo-insert-node ()
    "Insert a Texinfo node in the current buffer.
  That means, insert the string address@hidden' and prompt for current,
*** 223,228 ****
--- 251,257 ----
      ;; Simulating LaTeX-mode
      (define-key map "\C-c\C-e" 'Texinfo-environment)
+     (define-key map "\C-c." 'Texinfo-mark-environment)
      (define-key map "\C-c\n"   'address@hidden)
      (or (key-binding "\e\r")
        (define-key map "\e\r" 'address@hidden)) ;*** Alias

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