Fix bug with emphasis-like expressions in example blocks

Fix bug with emphasis-like expressions in example blocks

Martin Skjaeveland writes:

> Hi all,
>
> when I import the file
>
> --8<---------------cut here---------------start------------->8---
> -----------------
> | grandmother   |
> =================
> | sim:Jackeline |
> | sim:Mona      |
> -----------------
> --8<---------------cut here---------------end------------->8---
>
> using the command
>
> #+INCLUDE "grandmothers.txt" example
>
> and export to latex it turns into
>
>
> \begin{verbatim}
> -----------------
> | grandmother   |
> \texttt{===============}
> | sim:Jackeline |
> | sim:Mona      |
> -----------------
> \end{verbatim}
>
>
> I would like to remove \texttt{ }. I have tried different export
> option settings, but I can't make it work.
>