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Preserve math environments in title when exporting to LaTeX

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* lisp/org-latex.el (org-export-as-latex): Sent the section title
through the preprocessor.

Hi all,

This patch fixes the issue I originally described here:
http://article.gmane.org/gmane.emacs.orgmode/32281

It preserves math-mode delimiters (e.g. "$" and "\(") in the document
title when exporting to LaTeX.  (That is, it prevents them from being
escaped, by running the title through org-export-preprocess-string,
which marks them with the org-protected property.)  It should work
regardless of whether the title is pulled from a headline, from the text
before the first headline, or from an explicit #+TITLE declaration.

(This is my first time contributing a patch to a Free Software project
-- so please, let me know what you think!)

Best,
Richard
This commit is contained in:
Richard Lawrence 2010-10-25 20:41:54 +00:00 committed by Carsten Dominik
parent d637546804
commit c579f08eee
1 changed files with 23 additions and 3 deletions
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26
lisp/org-latex.el
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@ -729,13 +729,33 @@ when PUB-DIR is set, use this as the publishing directory."
(org-current-export-file buffer-file-name)
(title (or (and subtree-p (org-export-get-title-from-subtree))
(plist-get opt-plist :title)
(and (not
(plist-get opt-plist :skip-before-1st-heading))
(org-export-grab-title-from-buffer))
(unless (plist-get opt-plist :skip-before-1st-heading)
(let ((pt (org-export-grab-title-from-buffer)))
(remove-text-properties 0 (length pt)
'(:org-license-to-kill t) pt)
pt))
(and buffer-file-name
(file-name-sans-extension
(file-name-nondirectory buffer-file-name)))
"No Title"))
; Preprocessing preserves math environments in title
(title
(and title (string-match "\\S-" title)
(org-export-preprocess-string
title
:emph-multiline t
:for-LaTeX t
:comments nil
:tags (plist-get opt-plist :tags)
:priority (plist-get opt-plist :priority)
:footnotes (plist-get opt-plist :footnotes)
:drawers (plist-get opt-plist :drawers)
:timestamps (plist-get opt-plist :timestamps)
:todo-keywords (plist-get opt-plist :todo-keywords)
:add-text nil
:select-tags nil
:exclude-tags nil
:LaTeX-fragments nil)))
(filename
(and (not to-buffer)
(concat