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Re: [O] org-mode for swi-prolog and latex export ?


From: Joseph Vidal-Rosset
Subject: Re: [O] org-mode for swi-prolog and latex export ?
Date: Mon, 21 Jul 2014 12:34:05 +0200

Dear Nick,

2014-07-21 12:19 GMT+02:00 Nick Dokos <address@hidden>:
I don't understand: what language are you trying to export to? My take
was that you export the doc to latex/pdf/html and you tangle the code
fragments to some arbitrary file (a file that can be fed to a prolog
interpeter to be executed).

You have quite correctly undersood me.
 

> This is a (lisp)programmers task. The usual proceeding would be to look
> at the list of extisting ob-<language>.el files and pick a language that
> is very similar to the new one (in case of prolog maybe a difficult
> task?). Then try to adapt this file to your new language -> ob-prolog.el.

Assuming that the statement I quoted is true, one should be able to
export files that contain prolog code fragments:

#+BEGIN_SRC prolog
foo
#+END_SRC

One has to do `:exports code' since exporting results would require
evaluation which *would* require that one write an ob-prolog.el.

Also, one should be able to tangle the prolog code fragment(s) into
files (no ob-prolog.el needed).

It is only because I do not understand how to "tangle the (prolog) code". I know the export function but I know nothing about tangle. Do not feel forced to answer. I know that I have to read the documentation first and I apologize.


Exporting and tangling  are generic services that babel provides even if
there is no evaluation for that language.

But as I said, I have not tried it: I am only trying to interpret what
the doc is saying, so when the eating comes, the pudding may be stale.
If the interpretation is wrong, I would love to be corrected. If the
interpretation is right, but the exporting/tangling does not work, then
that would be a babel bug.

I do not know.

Best wishes,

Jo.


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