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避免行和引用环境之间的分页符

tag-icon • tag-icon page-breaking
避免行和引用环境之间的分页符

我在用LaTeX写作业的时候遇到了一点问题，我写了如下代码：

\documentclass{article}
\begin{document}
\center{Title}
\vspace{18cm}\\
This line should be on the same page as the next one.
\begin{quote}
This line should be on the same page as the previous one.\\
This one could be broken to another page if needed.
\end{quote}
\end{document}

但是 LaTeX 会在第一行之后就断页，我想避免这种情况。\nopagebreak和\\*似乎都不适合我。 有什么建议吗？ 提前谢谢。

答案1

列表环境会插入一个（负数）\@beginparpenalty，这反而会鼓励在该点处分页。您可以（本地或全局）将其设置为 10000 以阻止分页。

我还修改了\center并删除了\\永远不应跟随的\vspace。

\documentclass{article}
\begin{document}
\begin{center}Title\end{center}

\vspace{18cm}
This line should be on the same page as the next one.
\csname @beginparpenalty\endcsname10000
\begin{quote}
This line should be on the same page as the previous one.\\
This one could be broken to another page if needed.
\end{quote}
\end{document}

答案2

一种方法是使用包裹needspace​指定要保留多少行。

代码：

\documentclass{article}
\usepackage{needspace}
\begin{document}
\center{Title}
\vspace{18cm}\\
\needspace{3\baselineskip}% <------- Page break added if space less than 3\baselineskip
This line should be on the same page as the next one.
\begin{quote}
This line should be on the same page as the previous one.\\
This one could be broken to another page if needed.
\end{quote}
\end{document}

答案3

环境quote在内部表示为一个列表，而问题的技巧是“如何防止在逐项列表之前出现分页符？“也适用于quote环境：

\documentclass{article}
\makeatletter 
\newcommand\mynobreakpar{\par\nobreak\@afterheading} 
\makeatother
\begin{document}
\center{Title}
\vspace{18cm}\\
This line should be on the same page as the next one.\mynobreakpar
\begin{quote}
This line should be on the same page as the previous one.\\
This one could be broken to another page if needed.
\end{quote}
\end{document}

无关：\\后面的\vspace对我来说看起来很奇怪。也许应该将其删除？

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