From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicolas Goaziou <n.goaziou@gmail.com>
Subject: Re: 'listings' package used but not required in LaTeX export
Date: Sun, 09 Jun 2013 09:34:48 +0200
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In-Reply-To: <871u8cqhxa.fsf@gmail.com> (Thorsten Jolitz's message of "Sun, 09
	Jun 2013 01:52:33 +0200")
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To: Thorsten Jolitz <tjolitz@gmail.com>
Cc: emacs-orgmode@gnu.org

Hello,

Thorsten Jolitz <tjolitz@gmail.com> writes:

> Rasmus <rasmus@gmx.us> writes:
>
>> Thorsten Jolitz <tjolitz@gmail.com> writes:
>>
>>> but there is no 
>>>
>>> ,----------------------
>>> | \usepackage{listings}
>>> `----------------------
>>
>> This is a feature to my understanding.
>
> mmhh ... I would rather say that the defaults can be as simple as
> possible (or desired), but should result in reasonable output without
> any user interaction. But without adding a \usepackage{listings} or
> modifying the variables you mention the LaTeX output is unusable in this
> case.
>
>> Several packagess can format, and I for instance prefer pygments if I
>> need code formatting.
>
> Then the default should be loading one of them rather than using package
> macros in the exported LaTeX sources without loading a package that
> contains those macros. 
>
>> You could add listings to your packages list, either
>> org-latex-packages-alist or even org-latex-default-packages-alist, if
>> you really want to.
>>
>> You could probably also write a clever filter to load a package if it
>> is missing.
>
> I could, and thanks for the tips, but I still think this can be
> considered a bug (if I'm not the only one having the problem).

By default, `org-latex-listings' is nil, which means no "listings" code
is inserted in the output. Therefore, the problem comes from your
configuration (i.e. you changed variable's value without reading its
docstring).


Regards,

-- 
Nicolas Goaziou