[babel] configuring LaTeX exports verbatim environment for exported code and results

* [babel] configuring LaTeX exports verbatim environment for exported code and results
@ 2010-08-31 13:08 Douglas Bates
  2010-08-31 13:28 ` Douglas Bates
  0 siblings, 1 reply; 3+ messages in thread
From: Douglas Bates @ 2010-08-31 13:08 UTC (permalink / raw)
  To: emacs-orgmode

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.

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.

Also, the exports append blank lines

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