problem with code blocks

problem with code blocks

[LanX]

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Hi

hier a ECM which fails

-----------------------
#+LaTeX_CLASS: beamer
#+startup: beamer

* title

#+BEGIN_Example: perl
 grep { $_ ->[0] }
  X{1,2,3} X{1,2,3} X{1,2,3};
#+END_Example:
---------------------------

originally I tried Begin_src but I wanted to be sure that it has not to do
with highlighting.

I get the message "if: Wrong type argument: stringp, nil"

But deleting the [0] solves the problem

-----------------------------
#+BEGIN_Example: perl
 grep { $_ -> }
  X{1,2,3} X{1,2,3} X{1,2,3};
#+END_Example:
---------------------------

Does org try to find footnotes in code blocks?

Any help appreciated!!!

Cheers
 Rolf

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Re: problem with code blocks

[LanX]

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Sorry forgot to mention that I tried to export it to pdf or latex!

2011/8/8 LanX <lanx.perl@googlemail.com>

> Hi
>
> hier a ECM which fails
>
> -----------------------
> #+LaTeX_CLASS: beamer
> #+startup: beamer
>
> * title
>
> #+BEGIN_Example: perl
>  grep { $_ ->[0] }
>   X{1,2,3} X{1,2,3} X{1,2,3};
> #+END_Example:
> ---------------------------
>
> originally I tried Begin_src but I wanted to be sure that it has not to do
> with highlighting.
>
> I get the message "if: Wrong type argument: stringp, nil"
>
> But deleting the [0] solves the problem
>
> -----------------------------
> #+BEGIN_Example: perl
>  grep { $_ -> }
>   X{1,2,3} X{1,2,3} X{1,2,3};
> #+END_Example:
> ---------------------------
>
> Does org try to find footnotes in code blocks?
>
> Any help appreciated!!!
>
> Cheers
>  Rolf
>

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Re: problem with code blocks

[Thomas S. Dye]

LanX <lanx.perl@googlemail.com> writes:

> Hi
>
> hier a ECM which fails
>
> -----------------------
> #+LaTeX_CLASS: beamer
> #+startup: beamer
>
> * title
>
> #+BEGIN_Example: perl
>  grep { $_ ->[0] }
>   X{1,2,3} X{1,2,3} X{1,2,3};
> #+END_Example:
> ---------------------------
>
> originally I tried Begin_src but I wanted to be sure that it has not to do
> with highlighting.
>
> I get the message "if: Wrong type argument: stringp, nil"
>
> But deleting the [0] solves the problem
>
> -----------------------------
> #+BEGIN_Example: perl
>  grep { $_ -> }
>   X{1,2,3} X{1,2,3} X{1,2,3};
> #+END_Example:
> ---------------------------
>
> Does org try to find footnotes in code blocks?
>
> Any help appreciated!!!
>
> Cheers
>  Rolf
Aloha Rolf,

Try removing the colons after Example.  The following exports fine here:

* Lanx
#+LaTeX_CLASS: beamer
#+startup: beamer

** title

#+BEGIN_Example perl
 grep { $_ ->[0] }
 X{1,2,3} X{1,2,3} X{1,2,3};
#+END_Example

hth,
Tom

> Hihier a ECM which fails-----------------------#+LaTeX_CLASS: beamer#+startup: beamer* title#+BEGIN_Example: perl grep { $_ ->[0] }   X{1,2,3} X{1,2,3} X{1,2,3};#+END_Example:
> ---------------------------originally I tried Begin_src but I wanted to be sure that it has not to do with highlighting.I get the message "if: Wrong type argument: stringp, nil"But deleting the [0] solves the problem
> -----------------------------#+BEGIN_Example: perl
>  grep { $_ -> } 
>   X{1,2,3} X{1,2,3} X{1,2,3};
> #+END_Example:
> ---------------------------
> Does org try to find footnotes in code blocks?Any help appreciated!!!Cheers Rolf

-- 
Thomas S. Dye
http://www.tsdye.com

Re: problem with code blocks

[LanX]

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Aloha Thomas,

Thanks for the suggestion, but the problem persists!

Only replacing the "0" with an "a" helps.



----------------------------------------------
#+LaTeX_CLASS: beamer
#+startup: beamer

* Lanx
** title

#+BEGIN_Example perl
 grep { $_ ->[a] }      # <- 0 fails
 X{1,2,3} X{1,2,3} X{1,2,3};
#+END_Example

----------------------------------------------

type C-c C-e d  (or C-c C-e L)

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Re: problem with code blocks

[Sebastien Vauban]

Hi LanX,

LanX wrote:
> Thanks for the suggestion, but the problem persists!

You see it's easier with an ECM...

> Only replacing the "0" with an "a" helps.

I don't have that problem. I guess it must have been fixed recently. It
clearly is related to [0] being interpreted as a footnote reference... It
should not, when in code. Please update your Org-mode version.

> ----------------------------------------------
> #+LaTeX_CLASS: beamer
> #+startup: beamer
>
> * Lanx
> ** title
>
> #+BEGIN_Example perl
>  grep { $_ ->[a] }      # <- 0 fails
>  X{1,2,3} X{1,2,3} X{1,2,3};
> #+END_Example
>
> ----------------------------------------------
>
> type C-c C-e d  (or C-c C-e L)

BTW, putting the language name after `begin_example' is useless. There is no
such concept. You should use the `begin_src' environments, where the language
is accepted as parameter:

#+begin_src perl
 grep { $_ ->[0] }      # <- 0 does not fail
 X{1,2,3} X{1,2,3} X{1,2,3};
#+end_src

Doing so, instead of:

#+begin_src latex
\begin{verbatim}
 grep { $_ ->[0] }      # <- 0 does not fail
 X{1,2,3} X{1,2,3} X{1,2,3};
\end{verbatim}
#+end_src

you'll get:

#+begin_src latex
\lstset{language=Perl}
\begin{lstlisting}
 grep { $_ ->[0] }      # <- 0 does not fail
 X{1,2,3} X{1,2,3} X{1,2,3};
\end{lstlisting}
#+end_src

Best regards,
  Seb

-- 
Sebastien Vauban