modern-cpp-tutorial/pdf/zh-cn/meta/template.tex

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\usepackage{lmodern}
\usepackage{booktabs}
\usepackage{amssymb,amsmath}
\usepackage{ifxetex,ifluatex}

\linespread{1.2}\selectfont                       % 行距
\XeTeXlinebreaklocale "zh"                        % 针对中文自动换行
\XeTeXlinebreakskip = 0pt plus 1pt                % 字与字之间加入 0pt 至 1pt 的间距，确保左右对齐
\parindent 0em                                    % 段落缩进
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% We will generate all images so they have a width \maxwidth. This means
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$if(numbersections)$
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$if(title)$
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\author{$for(author)$$author$$sep$ \and $endfor$}
\date{$date$}

%%%% 段落首行缩进两个字 %%%%
\makeatletter
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\@afterindenttrue
\makeatother
\setlength{\parindent}{2em}  %中文缩进两个汉字位

%%%% 下面的命令设置行间距与段落间距 %%%%
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\setlength{\parskip}{1ex}
\setlength{\parskip}{0.5\baselineskip}

\input{revision}

% fix build, see https://github.com/laboon/ebook/issues/139#issuecomment-408696480
\newcommand{\passthrough}[1]{\lstset{mathescape=false}#1\lstset{mathescape=true}}

\begin{document}
\newcommand{\tightlist}{%
\setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}}

\thispagestyle{plain}
\begin{center}
  
  {\LARGE\textbf{现代 C++ 教程：高速上手 C++11/14/17/20}}
  
  \vspace{1em}
  {\large 欧长坤 (hi@changkun.us)}
  
  \vspace{1ex}
  最后更新 \today - \revision

  \vspace{1ex}
  \textbf{注意}

  \noindent 此 PDF 的内容可能过期，请检查\href{https://changkun.de/modern-cpp}{本书网站}以及 \href{https://github.com/changkun/modern-cpp-tutorial}{GitHub 仓库}以获取最新内容。

  \vspace{1em}
  \textbf{\large 版权声明}

  \noindent 本书系\href{https://github.com/changkun}{欧长坤}著，采用“知识共享署名-非商业性使用-禁止演绎 4.0 国际许可协议 (cc by-nc-sa)”进行许可。\texttt{\small http://creativecommons.org/licenses/by-nc-nd/4.0/}

  \vspace{7em}
  \includegraphics{../../assets/cover-2nd}

\end{center}

$for(include-before)$
$include-before$

$endfor$

{
\newpage
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\setcounter{tocdepth}{3}
\tableofcontents
}
\newpage

$body$

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$if(biblatex)$
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$for(include-after)$
$include-after$

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\end{document}