Problem with Beamer, environments, and if

Question

The following code will not compile and I am mystified:
documentclass{beamer}
usetheme{default}
newififTest
Testtrue
begin{document}
begin{frame}
frametitle{title}
ifTest
begin{center}
content
end{center}
fi
end{frame}
end{document}

Ulrike Fischer · Answer

You will have to use the fragile option if you want to use such low-level tests:
documentclass{beamer}
usetheme{default}
newififTest
Testtrue
begin{document}
begin{frame}[fragile]
frametitle{title}
ifTest
begin{center}
content
end{center}
fi
end{frame}
end{document}

Problem with Beamer, environments, and if

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