From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jambunathan K <kjambunathan@gmail.com>
Subject: Re: bug#10071: 24.0.91; Emacs runtime crashes while exporting an org
 file
Date: Fri, 18 Nov 2011 22:29:16 +0530
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	<81lirdk5rl.fsf@gmail.com> <87vcqh1t9s.fsf@gmail.com>
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In-Reply-To: <87vcqh1t9s.fsf@gmail.com> (Nicolas Goaziou's message of "Fri, 18
	Nov 2011 13:58:55 +0100")
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To: Nicolas Goaziou <n.goaziou@gmail.com>
Cc: Eli Zaretskii <eliz@gnu.org>, emacs-orgmode@gnu.org, 10071@debbugs.gnu.org, Stefan Monnier <monnier@iro.umontreal.ca>


Eli, Thanks for the clue and Stefan, thanks for the fix meanwhile. The
minimal snippet that captures the root cause follows down below.

Nicolas Goaziou <n.goaziou@gmail.com> writes:
> Hello,
>
> Jambunathan K <kjambunathan@gmail.com> writes:
>
>> Ccing Nicolas to attract his attention.
>>
>> Refer http://debbugs.gnu.org/cgi/bugreport.cgi?bug=10071 
>
> I cannot reproduce it on development version of Org mode (nor in stable
> version), GNU Emacs 24.0.91.1 (x86_64-unknown-linux-gnu, GTK+ Version
> 3.2.1).
>
> Jambunathan, can you debug `org-export-normalize-links' before Emacs
> crashes?



#+begin_src emacs-lisp
;; install blah in the run-time
(defun blah () 
  (goto-char (point-min))
  (while (re-search-forward
	  "\\[\\[\\([^][]+\\)\\]\\(\\[\\([^][]+\\)\\]\\)?\\]" nil t)
    (goto-char (1- (match-end 0)))
    (org-if-unprotected
     (let* ((xx (match-string 1))
	    (s (concat "[[" xx "][" xx "]]")))
       (replace-match s t t)))))
#+end_src


;; eval the 3 forms in sequence. Note that the third form will crash
;; emacs

#+begin_src emacs-lisp
;; form 1
;; here link < buffer
;; link *is* decorated
(with-temp-buffer
  ;; (insert "[[http://www.google.com]]")
  (insert "[[http://www.google.com]]a")	; Note the extra "a" at the
					; end
  (add-text-properties (point-min) (point-max)
  		       '(org-caption nil org-caption-shortn nil
  				     org-label nil org-attributes nil))
  (blah))
#+end_src


#+begin_src emacs-lisp
;; form 2
;; here link = buffer
;; link is *not* decorated
(with-temp-buffer
  (insert "[[http://www.google.com]]")
  ;; (insert "[[http://www.google.com]]a")
  
  ;; (add-text-properties (point-min) (point-max)
  ;; 		       '(org-caption nil org-caption-shortn nil
  ;; 				     org-label nil org-attributes nil))

  (blah))
#+end_src


#+begin_src emacs-lisp
;; form 3
;; here link = buffer
;; link *is* decorated
(with-temp-buffer
  (insert "[[http://www.google.com]]")
  ;; (insert "[[http://www.google.com]]a")
  (add-text-properties (point-min) (point-max)
  		       '(org-caption nil org-caption-shortn nil
  				     org-label nil org-attributes nil))
  (blah))
#+end_src



> Regards,