Code causes complete crash of emacs - sometimes

[Rainer M Krug <Rainer@krugs.de>]

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Hi

I had the following in my emacs.org and it caused under certain
conditions a complete crash from emacs:

,----
| ** Fancier Code Block Delimiters
| Essentially from Eric Schulte ([O] Prettier (or at least fancier) code block delimiters)
| #+begin_src emacs-lisp
| (defun rmk/prettier-org-code-blocks ()
|   (interactive)
|   (font-lock-add-keywords nil
|                           '(("\\(\+begin_src\\)"
|                              (0 (progn (compose-region (match-beginning 1) (match-end 1) ?<)
|                                        nil)))
|                             ("\\(\+end_src\\)"
|                              (0 (progn (compose-region (match-beginning 1) (match-end 1) ?>)
|                                        nil))))))
| (add-hook 'org-mode-hook 'rmk/prettier-org-code-blocks)
| #+end_src
`----

The steps were:

1) create new header
2) create new <el tab code block
3) mouse up
4) crash

This happened in the terminal and in the GUI, but only under certain
circumstances - reproducible on my system.

Is it just on my system?

I hope that by removing this my crashes are gone and emacs is as stable
as before.

Thanks,

Rainer
-- 
Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany)

Centre of Excellence for Invasion Biology
Stellenbosch University
South Africa

Tel :       +33 - (0)9 53 10 27 44
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email:      Rainer@krugs.de

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