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Re: [O] babel stopping export after updating to org 8.3

From: Robert Klein
Subject: Re: [O] babel stopping export after updating to org 8.3
Date: Tue, 15 Sep 2015 06:35:52 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0


Aviv wrote:

> Hi! 
> I just upgraded to org 8.3 and am stuck with an export issue.
> When I try to export a file with just "#+begin_src" and " "#+end_src" as the 
> only lines, I get the error 
> "user-error: No language for src block: (unnamed)". 
> It seems like it is calling org-babel-exp-process-buffer -- but there is no 
> reason that I can tell that is being called.  (org-export-babel-evaluate is 
> definitely nil, thought other testing seems to indicate that shouldn't even 
> matter)
> I've tried this in a clean "emacs -q" emacs and there is no issue -- but I 
> still have the issue with an empty init.el! 
> Any idea what could be wrong?  Thanks!

You need to specify a language, e.g.

#+begin_src foo

You can use any string for language.  However, if you export to latex
you want to either

a) use a language the LaTeX `listings' package knows about or

b) map your language string to a language existing in the `listings'

I like to put configuration files in src blocks as language `conf', so I
added the following to my .emacs file:

(add-to-list 'org-latex-listings-langs
               '(conf " "))

That is, I set the `listings' packages language to a blank (empty string
doesn't work) and only generic settings (i.e. no specific language
settings) are used when I tex the file.


Best regards

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