[babel] Bug in output PDF with source blocks of unknown language

From: "Sébastien Vauban" <wxhgmqzgwmuf-geNee64TY+gS+FvcfC7Uqw@public.gmane.org>
To: emacs-orgmode-mXXj517/zsQ@public.gmane.org
Subject: [babel] Bug in output PDF with source blocks of unknown language
Date: Wed, 13 Jan 2010 17:04:01 +0100	[thread overview]
Message-ID: <87y6k2kn4e.fsf@mundaneum.com> (raw)

Hi Eric and Dan,

--8<---------------cut here---------------start------------->8---
#+TITLE:     Bug in output PDF with source blocks of unknown language
#+AUTHOR:    Seb Vauban
#+EMAIL:     no-LMehjL4SQ+Y@public.gmane.org
#+DATE:      2010-01-13
#+DESCRIPTION: 
#+KEYWORDS: 
#+LANGUAGE:  en_US

* Context

  Here is a perfectly outputted block of code:

#+SRCNAME: srcModifyDBPFI.sql
#+BEGIN_SRC sql :tangle srcModifyDBPFI.sql
    -- add column `rolEngagDateFin' (if column does not exist yet)
    IF NOT EXISTS (SELECT *
                   FROM INFORMATION_SCHEMA.COLUMNS
                   WHERE TABLE_NAME = 'rol'
                   AND COLUMN_NAME = 'rolEngagDateFin')
    BEGIN
        ALTER TABLE rol
        ADD rolEngagDateFin smalldatetime NULL
    END
    GO
#+END_SRC

  Here is an Excel formula (using highlighting of Delphi, being quite
  similar -- but *unknown to Babel*):

#+BEGIN_SRC Delphi
    (frmDateFin+1)+(frmNbrSem+frmDureeVA*0)*7-1
#+END_SRC

  and its simplified version:

#+BEGIN_SRC perl
    frmDateFin+(frmNbrSem*7)
#+END_SRC

* Bug

  You see that when the language is unknown to Org-babel (=Delphi= in this
  example), it gets ignored during export, and gets replaced by the previous
  code block!!

  So, the current workaround is to take whatever other language know to Babel
  (here: =perl=) for the export to (at least) output the right code in the
  generated document (even if not correctly highlighted).

* Other problem

  The selected language must also be known by =listings=... Hence, =R= cannot
  be chosen for language; generating otherwise an error when compiling the
  LaTeX document.
--8<---------------cut here---------------end--------------->8---

Best regards,
  Seb

PS- I'll answer your posts shortly (Noweb vs Babel, and incompatibility with
    Org-special-blocks). Have had no time up to now...

-- 
Sébastien Vauban

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