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Re: [O] New LaTeX exporter, link to \ref

From: Thomas S. Dye
Subject: Re: [O] New LaTeX exporter, link to \ref
Date: Sun, 16 Sep 2012 08:05:28 -1000

Aloha Nicolas,

Nicolas Goaziou <address@hidden> writes:

> Hello,
> address@hidden (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,

Thomas S. Dye

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