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\lettrine 和 quotation 之间可能存在问题 - 如何解决？

tag-icon • tag-icon quoting lettrine
\lettrine 和 quotation 之间可能存在问题 - 如何解决？

以下或多或少最小的工作示例在排版我的免费物理文本时，会导致我的 TexLive 2014 出现乳胶问题。关于 Bernard Riemann 的行左边距错误。有人可以解释或纠正这个问题吗？

\documentclass{article}
\usepackage[british]{babel}
\usepackage{lettrine}
\begin{document}    

\section{What is light?}

\lettrine{T}{he}{} nature of light has fascinated explorers of nature since at
least the time of the ancient Greeks.  The answer appeared in 1848, when
{Gustav Kirchhoff} noted that the experimental values on both sides of
the following equation agreed within measurement errors:
\begin{equation}
    c = \frac { 1 }{  \sqrt{\epsilon_{0} \mu_{0}} } \;.
\end{equation}
\noindent This equality suggested the answer to the question asked two thousand
years earlier:
%
\begin{quotation}
 {Light is an electromagnetic wave}.
\end{quotation}
Ten years later, in 1858, {Bernhard Riemann} proved mathematically that
any electromagnetic wave in vacuum must propagate with a speed $c$ given by
the above equation.
We note that the right-hand side contains electric and magnetic quantities,
and the left-hand side is an optical quantity. 

\end{document}

答案1

来自以下文档lettrine：

  • \lettrine 在 'quote'、'quotation'、'abstract' 环境中有效，但在 'center' 环境中无效（选项 [lines=1] 除外）；
  • \lettrine 在列表中不起作用；
  • 如果必须在以“lettrine”开头的段落中包含列表，则必须在列表末尾添加命令 \parshape=0（在列表之前或之后开始新段落也可以）。请记住，“quote”、“quotation”、“abstract”环境在 LaTeX 中以列表形式实现。

因此，要么\parshape=0立即添加\end{quotation}，要么如果不想每次都输入，将其添加到序言中：

\usepackage{etoolbox}
\AfterEndEnvironment{quotation}{\parshape=0}

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