[beamer-class] renewcommand examples broken?

[Albert Puig]

Hi!

I'm trying to use beamer's renewcommand, and for understanding this I just
tried to copy the example in the "9.6.1 Making Commands and Environments
Overlay Specification-Aware" section:

\renewenvironment<>{verse}
{\begin{actionenv}#1\begin{originalverse}}
{\end{originalverse}\end{actionenv}}

My MWE is

\documentclass[]{beamer}

\renewenvironment<>{verse}
{\begin{actionenv}#1\begin{originalverse}}
{\end{originalverse}\end{actionenv}}

\begin{document}

\begin{frame}{Test}

First line


\end{frame}

\end{document}

And the error is


! LaTeX Error: Command \beamerx@\verse already defined.
Or name \end... illegal, see p.192 of the manual.

See the LaTeX manual or LaTeX Companion for explanation.
Type H <return> for immediate help.
...

l.5 {\end{originalverse}\end{actionenv}}


Am I doing something stupid? I am just copying the example. Beamer version
is 3.36 and latex is

This is pdfTeX, Version 3.14159265-2.6-1.40.16 (TeX Live 2015) (preloaded
format=pdflatex)

Thanks,
Albert

[Mark Yagnatinsky]

Try the clever folks at tex.stackexchange.com
I think some TeX wizards live there.

Post by Albert Puig
Hi!
I'm trying to use beamer's renewcommand, and for understanding this I just
tried to copy the example in the "9.6.1 Making Commands and Environments
\renewenvironment<>{verse}
{\begin{actionenv}#1\begin{originalverse}}
{\end{originalverse}\end{actionenv}}
My MWE is
\documentclass[]{beamer}
\renewenvironment<>{verse}
{\begin{actionenv}#1\begin{originalverse}}
{\end{originalverse}\end{actionenv}}
\begin{document}
\begin{frame}{Test}
First line
\end{frame}
\end{document}
And the error is
Or name \end... illegal, see p.192 of the manual.
See the LaTeX manual or LaTeX Companion for explanation.
Type H <return> for immediate help.
...
l.5 {\end{originalverse}\end{actionenv}}
Am I doing something stupid? I am just copying the example. Beamer version
is 3.36 and latex is
This is pdfTeX, Version 3.14159265-2.6-1.40.16 (TeX Live 2015) (preloaded
format=pdflatex)
Thanks,
Albert
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