GNU bug report logs - #20685
2015-04-19; args-out-of-range error when no newline at eob.

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Nicolas Richard <youngfrog <at> members.fsf.org>
Subject: bug#20685: closed (Re: bug#20685: 2015-04-19; args-out-of-range
 error when no newline at eob.)
Date: Fri, 29 May 2015 06:03:03 +0000

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Your bug report

#20685: 2015-04-19; args-out-of-range error when no newline at eob.

which was filed against the auctex package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 20685 <at> debbugs.gnu.org.

-- 
20685: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=20685
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Tassilo Horn <tsdh <at> gnu.org>
To: Nicolas Richard <youngfrog <at> members.fsf.org>
Cc: 20685-done <at> debbugs.gnu.org
Subject: Re: bug#20685: 2015-04-19;
 args-out-of-range error when no newline at eob.
Date: Fri, 29 May 2015 08:02:41 +0200

Nicolas Richard <youngfrog <at> members.fsf.org> writes:

Hi Nicolas,

> I suggest the following change:
>
> modified   latex.el
> @@ -4475,10 +4475,7 @@ If COUNT is non-nil, do it COUNT times."
>  						"[@A-Za-z]+\\|[ \t]*\\($\\|"
>  						TeX-comment-start-regexp "\\)"))
>  			    (progn
> -			      (when (string= (buffer-substring-no-properties
> -					      (point) (+ (point)
> -							 (length TeX-esc)))
> -					     TeX-esc)
> +			      (when (looking-at (regexp-quote TeX-esc))
>  				(goto-char (TeX-find-macro-end)))
>  			      (forward-line 1)
>  			      (when (< (point) start)

-4 lines +1 line.  Sounds very good.  Applied. ;-)

Oh, I made that commit and ChangeLog entry with your email address you
are using right now, not the evil look thingy.  Could you please
register your FSF member address with assign <at> gnu.org so that they add it
to your CA record and nobody gets confused?

Bye,
Tassilo

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From: Nicolas Richard <youngfrog <at> members.fsf.org>
To: bug-auctex <at> gnu.org
Subject: 2015-04-19; args-out-of-range error when no newline at eob.
Date: Thu, 28 May 2015 20:42:33 +0200

Hi,

This one often bites me when I'm in a narrowed buffer.

Here's a backtrace from a minimal recipe (which is in the backtrace).

Debugger entered--Lisp error: (args-out-of-range #<buffer temp> 57 58)
  buffer-substring-no-properties(57 58)
  LaTeX-backward-paragraph()
  LaTeX-fill-region(41 57 nil " environment document")
  LaTeX-fill-environment(nil)
  call-interactively(LaTeX-fill-environment)
  (let ((data "\\documentclass{minimal}\n\\begin{document}\n\n\\end{document}")) (switch-to-buffer (get-buffer-create "temp")) (TeX-latex-mode) (insert data) (search-backward "\n\n") (call-interactively (quote LaTeX-fill-environment)))
  eval-buffer(#<buffer  *load*> nil "/home/youngfrog/tmp-test-auctex-filling.el" nil t)  ; Reading at buffer position 319
  load-with-code-conversion("/home/youngfrog/tmp-test-auctex-filling.el" "/home/youngfrog/tmp-test-auctex-filling.el" nil t)
  load("/home/youngfrog/tmp-test-auctex-filling.el" nil t)
  command-line-1(("-l" "/home/youngfrog/tmp-test-auctex-filling.el"))
  command-line()
  normal-top-level()

I suggest the following change:

--8<---------------cut here---------------start------------->8---
modified   latex.el
@@ -4475,10 +4475,7 @@ If COUNT is non-nil, do it COUNT times."
 						"[@A-Za-z]+\\|[ \t]*\\($\\|"
 						TeX-comment-start-regexp "\\)"))
 			    (progn
-			      (when (string= (buffer-substring-no-properties
-					      (point) (+ (point)
-							 (length TeX-esc)))
-					     TeX-esc)
+			      (when (looking-at (regexp-quote TeX-esc))
 				(goto-char (TeX-find-macro-end)))
 			      (forward-line 1)
 			      (when (< (point) start)
--8<---------------cut here---------------end--------------->8---

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