%%
%% The LaTeX Companion, 3ed
%%
%% Example 7-5-11 on page I-570 in "keyfloat --- Bringing most packages under one roof".
%%
%% 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{167.0pt}

%StartShownPreambleCommands
\usepackage{booktabs,keyfloat}
\captionsetup[table]{position=top,skip=1ex}
%StopShownPreambleCommands

\begin{document}
\begin{keytable}[H]{c=\LaTeX\ Companion statistics,
  tl={Compares editions from 1994, 2004, and 2023},
  aup=\copyright\ 2023, auf=Frank, aul=Mittelbach}
\begin{tabular}{ccrl}                    \toprule
 edition & chapters & pages & authors \\ \midrule
  1 &  14 + 3 & 555  & 3              \\
  2 &  14 + 3 & 1197 & 2 + 5          \\
  3 &  17 + 3 & $\approx$ 1980 & 2 + 3\\ \bottomrule
\end{tabular}\end{keytable}
\end{document}
