[Tex/LaTex] Is it bug or feature? I cannot use makeidx in beamer.

beamererrorsindexing

I attempted to use makeidx.sty in my beamer project.

The first two compilation using latex, the input file can be processed successfully.

Then I execute makeindex, it also run without error.

But when I call latex.exe again, I got an error message saying 

!LaTeX Error: Environment theindex undefined.
See the LaTeX manual or LaTeX Companion for explanation.
Type H <return> for immediate help.
...
1.1 \begin{\theindex}

\documentclass{beamer}
\usepackage{makeidx}
\makeindex

\begin{document}

\begin{frame}{test 1}
\index{Laplace}Laplace transform is...
\LaTeXe\ can make you happy!
\end{frame}

\begin{frame}{test 2}
\printindex
\end{frame}

\end{document}

Best Answer

You will have to define theindex and the commands used in the theindex-environment. Look e.g. in article.cls for ideas (you shouldn't copy it verbatim, for presentations you need a different look).

\documentclass{beamer}
\usepackage{makeidx}
\makeindex
\newenvironment{theindex}
 {\let\item\par
  %definitions for subitem etc
  }{}
\newcommand\indexspace{}
\begin{document}

\begin{frame}{test 1}
\index{Laplace}Laplace transform is... \LaTeXe\ can make you happy!
\index{Test}
\end{frame}

\begin{frame}{test 2}
\printindex
\end{frame}

\end{document}
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