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How can I redefine an environment so that it will have a certain optional value unless told otherwise?

My particular problem is: how can I redefine the itemize environment so that its beginpenalty option is always set to beginpenalty=10000?

\documentclass{book}

\usepackage{lipsum}
\usepackage{enumitem}


\begin{document}


\lipsum[1-5]


List:


\begin{itemize}[beginpenalty=10000]
    \item Item
    \item Item
    \item Item
\end{itemize}


\end{document}
Noah J
  • 515
  • 6
    As you use enumitem, use its tools: \setlist[itemize]{beginpenalty=10000} – Ulrike Fischer Jun 21 '23 at 16:55
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    You could also wrap it (and have both versions available): `\documentclass{book} \usepackage{enumitem} \usepackage{lipsum} \NewDocumentEnvironment{bpitemize}{% O{beginpenalty=10000} +b}{% \begin{itemize}[#1] #2 \end{itemize} }{} \begin{document} \lipsum[1-5]

    List:

    \begin{bpitemize} \item Item \item Item \item Item \end{bpitemize}

    \end{document}`

     – Cicada Jun 22 '23 at 10:18

0 Answers0