From mboxrd@z Thu Jan  1 00:00:00 1970
From: tsd@tsdye.com (Thomas S. Dye)
Subject: Re: New LaTeX exporter, link to \ref
Date: Sun, 16 Sep 2012 08:05:28 -1000
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In-Reply-To: <87sjaih0um.fsf@gmail.com> (Nicolas Goaziou's message of "Sun, 16
	Sep 2012 09:40:33 +0200")
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To: Nicolas Goaziou <n.goaziou@gmail.com>
Cc: Org-mode <emacs-orgmode@gnu.org>

Aloha Nicolas,

Nicolas Goaziou <n.goaziou@gmail.com> writes:

> Hello,
>
> tsd@tsdye.com (Thomas S. Dye) writes:
>
>> This in the org file:
>>
>> (fig. [[fig:old-wood]])
>>
>> exports to this in the latex file:
>>
>> (fig. \ref{fig-old-wood})
>>
>> I think the exporter is replacing the colon with a hyphen, which breaks
>> the reference.
>
> Correct. It's done by the function `org-export-solidify-link-text'. The
> problem is that it isn't used consistently across the back-end. It
> should be fixed now.

Yes, link text is consistently changed so cross references work.  Thanks.

>> Also, is there some way to toggle a non-breaking space, e.g.,
>> (fig.~\ref{fig:old-wood})?  I thought to use \tilde{}, but this wouldn't
>> work with other back ends.
>
> You may use \nbsp{} entity.
>
> My keyboard layout allows for easy access to non-breaking spaces. So
> I use the following instead (_ character stands for the non-breaking
> space):
>
> #+begin_src emacs-lisp
> (defun ngz-latex-filter-nobreaks (text backend info)
>   "Ensure \"_\" are properly handled in Beamer/LaTeX export."
>   (when (memq backend '(e-beamer e-latex))
>     (replace-regexp-in-string "_" "~" text)))
> (add-to-list 'org-export-filter-plain-text-functions
>              'ngz-latex-filter-nobreaks)
> #+end_src

Thanks very much for the filter, which makes for an aesthetically
pleasing org buffer.  I changed the underscore to a non-breaking
space character in the call to replace-regexp-in-string and now get
tildes in my LaTeX export.

All the best,
Tom

-- 
Thomas S. Dye
http://www.tsdye.com