Remember to cover the basics, that is, what you expected to happen and
what in fact did happen.  You don't know how to make a good report?  See

     http://orgmode.org/manual/Feedback.html#Feedback

Your bug report will be posted to the Org-mode mailing list.
------------------------------------------------------------------------

Org enters an infinite loop when `org-replace-escapes' is called with
a table containing a replace string that contains the escape sequence
it should be replaced with.

Example:
,----
| (org-replace-escapes "%m" '(("%m" . "87zl0qq1f3.wl%maus.david@gmail.com")))
`----

I stumpled upon when I tried to store a link to a internet message
whose message id contained the sequence "%m" (perfectly valid for a
message id) while using "%m" as message description.

Attached patch fixes this by

  1. detecting such 'self reference' and replacing the offending
     sequence in the replace string by a string with a text property
     that contains the original sequence

  2. replacing occurences of substrings with this text property by the
     original sequence.

HTH
 -- David

Emacs  : GNU Emacs 23.1.1 (i486-pc-linux-gnu, GTK+ Version 2.18.2)
 of 2009-11-02 on raven, modified by Debian
Package: Org-mode version 6.35trans
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Email..... dmaus@ictsoc.de