False footnotes in Perlcode for Beamerslides

From: LanX <lanx.perl@googlemail.com>
To: emacs-orgmode@gnu.org
Subject: False footnotes in Perlcode for Beamerslides
Date: Fri, 3 Sep 2010 18:42:18 +0200	[thread overview]
Message-ID: <AANLkTi=YmO1Qauyc8z=Tup9qFYmmzdL3DDXAqrSfdZB=@mail.gmail.com> (raw)

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Hi Folks

I'm trying to produce a beamer presentation including perl source code.

I'm using the patter from
http://emacs-fu.blogspot.com/2009/10/writing-presentations-with-org-mode-and.html
to get some Syntax highlighting.

My problem is that org-mode parses $_[0] as footnotes!

Switching to
#+begin_src perl
solves the problem but without syntax highlighting.

Any help appreciated! (my talk is tomorrow :)

Especially, is there a simple way to setup begin_src such that it uses
    \begin{lstlisting}[language=Perl]
instead of
    \begin{verbatim}
?

Bye
 rolf

#+LaTeX_CLASS: beamer
#+MACRO:  beamermode presentation
#+MACRO:  beamertheme Singapore
#+MACRO:  beamercolortheme lily
#+MACRO:  beamersubject RMRF

* test2
#+begin_src perl
sub swap {
  ($_[0],$_[1]) = ($_[1],$_[0])
};
($a,$b)=(1,2);
swap($a,$b);
print $a,$b; # 21

sub swap { @_[0,1] = @_[1,0] }; #elegantere Alternative
#+end_src perl

* Test1
#+begin_LaTeX
\begin{lstlisting}[language=Perl]
sub swap {
  ($_[0],$_[1]) = ($_[1],$_[0])
};
($a,$b)=(1,2);
swap($a,$b);
print $a,$b; # 21

sub swap { @_[0,1] = @_[1,0] }; #elegantere Alternative
\end{lstlisting}

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