Re: [PATCH] Preserve math environments in title when exporting to LaTeX

[Carsten Dominik <carsten.dominik@gmail.com>]

On Nov 21, 2010, at 6:14 PM, Thomas S. Dye wrote:

> Aloha Richard and Carsten,
>
> Thanks very much for this improvement.  Math appears to work as  
> expected in the title and in figure captions.  I haven't noticed any  
> adverse effects yet, but I've spent most of my time admiring the  
> well typeset titles :)

Hi Thomas,

thank you for being such a reliable member here.

Cheers

- Carsten

>
> All the best,
> Tom
>
> On Nov 20, 2010, at 11:24 PM, Carsten Dominik wrote:
>
>>
>> On Nov 21, 2010, at 9:54 AM, Carsten Dominik wrote:
>>
>>> Hi Richard,
>>>
>>> I have now applied this patch.  I am not entirely sure it will  
>>> have no adverse effects, so please, people who do export to LaTeX,  
>>> check after the next pull if you see any problems.
>>
>> Actually, I think I have just found a better way to solve this issue,
>> in a way that will also solve it for figure captions.
>>
>> Please, LaTeX export users, test the current git version.
>>
>> THanks
>>
>> - Carsten
>>
>>>
>>> Thanks Richard!
>>>
>>> - Carsten
>>>
>>> On Oct 25, 2010, at 5:41 PM, Richard Lawrence wrote:
>>>
>>>> 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
>>>>
>>>> diff --git a/lisp/org-latex.el b/lisp/org-latex.el
>>>> index 4fcbbb7..f97436c 100644
>>>> --- a/lisp/org-latex.el
>>>> +++ b/lisp/org-latex.el
>>>> @@ -727,13 +727,33 @@ 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
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>>
>>
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