%%
%% The LaTeX Companion, 2ed (second printing August 2004)
%%
%% Example 5-6-4 on page 268.
%%
%% Copyright (C) 2004 Frank Mittelbach, Michel Goossens,
%%    Johannes Braams, David Carlisle, and Chris Rowley
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See http://www.latex-project.org/lppl.txt for details.
%%

\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{159.0pt}
\StartShownPreambleCommands
\usepackage{array,arydshln}
\setlength\extrarowheight{4pt}% extra space on row top
\StopShownPreambleCommands
\begin{document}
\begin{tabular}{|c::c|c|}
\hline
 A   & B  & C  \\ \hline
 X   & Y  & Z  \\ \hdashline
100  & 10 & 1  \\ \hline
\end{tabular}
\end{document}