Scot Becker wrote:
>David,

>Thanks for your response.  What a cool and useful patch.   This adds all kinds of cool functionality to org-mode, and in a
>single line!    I've had several times I wished I could do this kind of thing. 

>As it is, it doesn't automate my present case much, since I'd still have to put the macro expansion in after every
>headline.  Not surprisingly it won't expand if you put the {{{property(myproperty}}} code as part of a headline in
>org-export-latex-classes.  I reckon I'll have to try to do a hacked-up latex exporter.

Or maybe this could be achieved using a function in
`org-export-preprocess-hook':

,----
| Hook for preprocessing an export buffer.
| Pretty much the first thing when exporting is running this hook.
| Point will be in a temporary buffer that contains a copy of
| the original buffer, or of the section that is being export.
| All the other hooks in the org-export-preprocess... category
| also work in that temporary buffer, already modified by various
| stages of the processing.
`----

The function would be quite simple: Iterate over all headlines and
insert the desired reference.  This would, by the way, even work
without the property macro.

Something like this:

(defun dmj:add-citekey ()
  "Add citekey to all headlines in current buffer."
  (save-excursion
    (goto-char (point-min))
    (while (re-search-forward "\\*+[ \t]+" nil t)
      (let ((key (org-entry-get nil "mykey" 'selective)))
	(org-end-of-subtree t)
	(unless (string= key "")
	  (insert (format "\nReference: \\cite{%s}\n" key)))))))

>Also, the patch doesn't seem to work with inherited properties.  With
>org-use-property-inheritance set to 't', and this input file:

Ah, Forgot about that.  Attached patch goes on top of the last one and
allows property inheritance.

Best,
  -- David
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