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Diffstat (limited to 'info/examples/tlc3/example-sources/2-4-21.ltx')
-rw-r--r-- | info/examples/tlc3/example-sources/2-4-21.ltx | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/info/examples/tlc3/example-sources/2-4-21.ltx b/info/examples/tlc3/example-sources/2-4-21.ltx new file mode 100644 index 0000000000..ad0428f424 --- /dev/null +++ b/info/examples/tlc3/example-sources/2-4-21.ltx @@ -0,0 +1,49 @@ +%% +%% The LaTeX Companion, 3ed +%% +%% Example 2-4-21 on page I-95 in "showkeys, refcheck --- Displaying \& checking reference keys". +%% +%% Copyright (C) 2022 Frank Mittelbach +%% +%% It may be distributed and/or modified under the conditions +%% of the LaTeX Project Public License, either version 1.3c +%% of this license or (at your option) any later version. +%% +%% See https://www.latex-project.org/lppl.txt for details. +%% + +\documentclass{tlc3exa} +\pagestyle{empty} +\setcounter{page}{6} +\setlength\textwidth{231.0pt} + + + % small headings for the example + \makeatletter + \renewcommand\section{\@startsection{section}{1}{\z@}% + {-1.25ex \@plus-1ex \@minus-.2ex}% + {.5ex}% + {\normalfont\large\bfseries}} + \renewcommand\subsection{\@startsection {subsection}{2}{\z@}% + {-1.ex \@plus -.5ex \@minus -.2ex}% + {.3ex}% + {\normalfont\bfseries}} + \makeatother + + % to account for the use of the margin + \addtolength\textwidth{-80pt} + +%StartShownPreambleCommands +\usepackage{amsmath,refcheck} +%StopShownPreambleCommands + +\begin{document} +\section{An example}\label{sec} +\subsection{A subsection}\label{unused} +Section~\ref{sec} shows the use of the +\texttt{refcheck} package with a +reference to equation~(\ref{eq}). +\begin{align} a &= b \label{eq} \\ + a &< b \label{eq2} \\ + a &> b \end{align} +\end{document} |