From: Richard Stallman <rms@gnu.org>
Subject: [stephen_leake@member.fsf.org: infinite loop in align latex]
Date: Thu, 14 Dec 2006 12:47:03 -0500 [thread overview]
Message-ID: <E1Guuff-0005eB-Bc@fencepost.gnu.org> (raw)
Would someone please DTRT, then ack?
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To: emacs-devel <emacs-devel@gnu.org>
From: Stephen Leake <stephen_leake@member.fsf.org>
Date: Sun, 10 Dec 2006 09:43:41 -0500
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Subject: infinite loop in align latex
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version=3.0.4
I've found a fix for a bug in align for LaTeX.
To reproduce the bug, paste the following text in a buffer:
- ------------
The I \& T custom cards uses a single FPGA per custom card.
Older custom cards do not use a single FPGA for each custom card; they
use ADLINK digital IO and Kontron timer cards, as well as the
\code{GDS_Timers} FPGA image.
Some custom cards have 2 cPLDs on them. We do not have a consistent
naming convention for the older cPLDs.
\begin{tabular}{|lllll|}
\hline
\multicolumn{5}{|c|}{FPGA images} \\
\hline
Name & Configuration & Driver & Driver & image file \\
& & ID high & ID low & \\
\hline
GDS\_Timers & 1 & 0 & 0 & \file{gds_timers.hexout} \\
I\&T & 1 & 1 & 1 & \file{fpga_int_sdo_1.hexout} \\
I\&T & 2 & 1 & 2 & \file{fpga_int_sdo_2.hexout} \\
\hline
\end{tabular}
- -----------
Then position point on 'Name' in the table. Then:
M-x latex-mode
M-x align-current
Emacs hangs; interrupt with control-g.
I don't understand why this is not always a problem; it only occurs in
some (apparently rare) situations.
Here's the fix:
===================================================================
RCS file: /sources/emacs/emacs/lisp/align.el,v
retrieving revision 1.22
diff -c -r1.22 align.el
*** align.el 6 Feb 2006 14:33:31 -0000 1.22
- --- align.el 10 Dec 2006 14:38:42 -0000
***************
*** 1074,1080 ****
(eq (char-before pos) ?\\))
(setq count (1+ count) pos (1- pos)))
(eq (mod count 2) 1))
! (goto-char (match-beginning 2))))
result))
(defun align-new-section-p (beg end separator)
- --- 1074,1080 ----
(eq (char-before pos) ?\\))
(setq count (1+ count) pos (1- pos)))
(eq (mod count 2) 1))
! (goto-char (match-beginning (if reverse 1 2)))))
result))
(defun align-new-section-p (beg end separator)
- --
- -- Stephe
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------- End of forwarded message -------
next reply other threads:[~2006-12-14 17:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-14 17:47 Richard Stallman [this message]
2006-12-14 17:59 ` [stephen_leake@member.fsf.org: infinite loop in align latex] Vinicius Jose Latorre
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