%%
%% The LaTeX Companion, 2ed (second printing August 2004)
%%
%% Example 3-4-27 on page 167.
%%
%% 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{111.0pt}

\StartShownPreambleCommands
\usepackage{fancyvrb}
\newcommand\vitem[1][]{\SaveVerb[commandchars=\|\<\>,%
   aftersave={\item[\textnormal{\UseVerb[#1]{vsave}}]}]{vsave}}
\StopShownPreambleCommands
\begin{document}
\begin{description}
\vitem+\ddanger+   Dangerous beast;\\ found in \TeX books.
\vitem[fontsize=\tiny]+\danger+ Its small brother,
                                still dangerous.
\vitem+\dddanger{|emph<arg>}+   The ultimate horror.
\end{description}
\end{document}