[R] Swaeve, Beamer and \alt

[Uwe Ligges]

On 09.02.2013 17:00, Jarrod Hadfield wrote:
> Hi,
>
> I am having trouble getting \alt (or \altenv) to work with Schunk/Sinput
> and was wondering if anybody had had success? With the slide
>
> \begin{frame}[fragile]\frametitle{Basic R}
> \alt<2>{
> <<echo=TRUE>>=
> 2+2
> @
> }{
> <<echo=TRUE, eval=FALSE>>=
> 2+2
> @
> }
> \end{frame}
>
> I get the error message:
>
>
> ! FancyVerb Error:
>    Extraneous input `> 2+2 \end {Sinput} \end {Schunk} ' between
> \begin{Sinput}[
> <key=value>] and line end
> .
> \FV at Error ... {FancyVerb Error:
> \space \space #1
> }
>
> which cannot be fixed using the fragile or containsverbatim options for
> the frame.
>
> Thanks for any help,
>
>
> Jarrod
>
>

Untested: Does \begin{frame}[containsverbatim] help?

Best,
Uwe Ligges