On Feb 16, 2011, at 6:23 PM, Thomas S. Dye wrote:

> Aloha all,
>
> I stumbled across code in org-exp.el and org-latex.el that appears  
> to my untrained eye to be designed to parse the optional argument to  
> the LaTeX \caption command.
>
> This bit in org-exp.el appears to parse out the optional command:
>
> 	  (when (string-match "\\[\\(.*\\)\\]{\\(.*\\)}" cap)
> 	    (setq shortn (match-string 1 cap)
> 		  cap (match-string 2 cap)))
>
> Then it is easy to find code in org-latex.el by searching for  
> 'shortn' that looks like it writes out the full command to the .tex  
> file.
>
> I can't find documentation for this, though.  It looks (to my  
> untrained eye) like it should be possible to write something like:
>
> #+CAPTION: [short]{long}
>
> and get
>
> \caption[short]{long} in the .tex file.
>
> But this doesn't work for me.  The [short] part doesn't make it into  
> the .tex file.
>
> I don't know enough lisp to figure this out in a reasonable amount  
> of time, so have come to the list to ask if anyone familiar with the  
> code knows whether this should work or not, and if it should work,  
> how to markup the org file.
>
> All the best,
> Tom
>
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