[Arik Mitschang] org-mode ASCII export of in-word LaTeX symbols support

From: Noorul Islam K M <noorul@noorul.com>
To: emacs-orgmode@gnu.org
Cc: Arik Mitschang <amitschang@cfa.harvard.edu>
Subject: [Arik Mitschang] org-mode ASCII export of in-word LaTeX symbols support
Date: Fri, 15 Oct 2010 12:59:14 +0530	[thread overview]
Message-ID: <87bp6v6hit.fsf@noorul.maa.corp.collab.net> (raw)

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I am not sure whether this is already forwarded. I am forwarding this
thread from emacs-devel mailing list. Hopefully patchworks picks up this
patch.


Thanks and Regards
Noorul



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From: Arik Mitschang <amitschang@cfa.harvard.edu>
To: emacs-devel@gnu.org
Subject: org-mode ASCII export of in-word LaTeX symbols support
Date: Thu, 14 Oct 2010 11:59:40 -0400
Message-ID: <19639.10476.252832.800584@gargle.gargle.HOWL>

Hi emacs-devel,

I would like to suggest the following small change to the org-mode
ascii export feature in emacs 23.2. The reason for this is because
org-mode export supports embedded LaTeX in a LaTeX sort of fashion
where a symbol can be placed inside a word provided it is terminated
with '{}'. However in an ascii export the '{}' remains trailing the
converted symbol making it very difficult to seamlessly support these
inlined symbols across multiple export formats.

The manual likewise states:
"If you need such a symbol inside a word, terminate it like this: ‘\Aacute{}stor’."

indicating that this form is (or should be) supported. The fix is
quite simple, the regexp for matching LaTeX symbols to be exported
needs to allow for the terminating '{}' if existing. I have included
the necessary patch below.

Thanks alot,
~Arik

GNU Emacs 23.2.1 (x86_64-unknown-linux-gnu, GTK+ Version 2.10.4) of 2010-07-26 on lacuna

--- org-ascii.el
+++ org-ascii.el
@@ -586,7 +586,7 @@
 (defun org-ascii-replace-entities ()
   "Replace entities with the ASCII representation."
   (let (e)
-    (while (re-search-forward "\\\\\\([a-zA-Z]+[0-9]*\\)" nil t)
+    (while (re-search-forward "\\\\\\([a-zA-Z]+[0-9]*\\)\\({}\\)?" nil t)
       (org-if-unprotected-at (match-beginning 1)
 	(setq e (org-entity-get-representation (match-string 1)
 					       org-export-ascii-entities))




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