On Tue, Aug 31, 2010 at 8:08 AM, Douglas Bates <ba...@stat.wisc.edu> wrote:
> I have been unable to find in the documentation whether the verbatim
> environment created by LaTeX exports of source code blocks can be
> configured.
>
> Exporting to LaTeX a section like
>
> --8<---------------cut here---------------start------------->8---
> #+LaTeX_CLASS: beamer
> #+LaTeX_CLASS_OPTIONS: [presentation]
> #+BEAMER_FRAME_LEVEL: 1
> #+BABEL: :session :exports both :results output :tangle yes
>
> * Fitting a simple linear regression
> #+begin_src R :exports results
> options(show.signif.stars=FALSE)
> #+end_src
> #+begin_src R
> summary(fm1 <- lm(optden ~ carb, Formaldehyde))
> #+end_src
> A final line.
> --8<---------------cut here---------------end--------------->8---
>
> produces the LaTeX section
>
> --8<---------------cut here---------------start------------->8---
> \begin{frame}[fragile]
> \frametitle{Fitting a simple linear regression}
> \label{sec-1}
>
> \begin{verbatim}
> summary(fm1 <- lm(optden ~ carb, Formaldehyde))
> \end{verbatim}
>
>
>
> \begin{verbatim}
>
> Call:
> lm(formula = optden ~ carb, data = Formaldehyde)
>
> Residuals:
> 1 2 3 4 5 6
> -0.006714 0.001029 0.002771 0.007143 0.007514 -0.011743
>
> Coefficients:
> Estimate Std. Error t value Pr(>|t|)
> (Intercept) 0.005086 0.007834 0.649 0.552
> carb 0.876286 0.013535 64.744 3.41e-07
>
> Residual standard error: 0.008649 on 4 degrees of freedom
> Multiple R-squared: 0.999, Adjusted R-squared: 0.9988
> F-statistic: 4192 on 1 and 4 DF, p-value: 3.409e-07
> \end{verbatim}
>
> A final line.
> \end{frame}
> --8<---------------cut here---------------end--------------->8---
>
> Because both the source and the results are presented in verbatim, I
> don't have much control over the appearance of the code on the slide.
> If I could, for example, configure the names of the exported
> environment for the source code and for the results separately, I
> could use LaTeX's fancyvrb.sty to adjust font sizes, colors, boxes,
> etc.
I just realized that if the code and results are wrapped in other than
the verbatim environment the org-beamer-fragile-re variable will need
to be customized. (By the way, automatically detecting the need for
the fragile option is a great idea.)
> Also, the blank lines before and after the verbatim environment are
> problematic. In plain text it makes sense to delimit code chunks with
> blank lines but in LaTeX a blank line starts a new paragraph and you
> don't always want that.
>
> As this is my first posting please let me know if I have inadvertently
> violated conventions of the list.
Well, other than my cut-and-paste glich below :-/
>
> Also, the exports append blank lines
>
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