%%
%% Der LaTeX-Begleiter, zweite Auflage (September 2005)
%%
%% Beispiel A-2-20 von Seite 902.
%%
%% Copyright (C) 2005 Frank Mittelbach, Michel Goossens,
%%    Johannes Braams, David Carlisle, and Chris Rowley
%%
%% Uebersetzung: Copyright (C) 2005 Claudia Krysztofiak,
%%    Rebecca Stiels und Frank Mittelbach
%%
%% 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{lb2exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{101.4372pt}
\StartShownPreambleCommands
\usepackage{calc}
\newsavebox{\fcolbox} \newlength{\fcolwidth}
\newenvironment{fcolumn}[1][\linewidth]
  {\setlength{\fcolwidth}{#1-2\fboxsep-2\fboxrule}%
   \begin{lrbox}{\fcolbox}\begin{minipage}{\fcolwidth}}
  {\end{minipage}\end{lrbox}\noindent\fbox{\usebox{\fcolbox}}}
\StopShownPreambleCommands
\begin{document}
\begin{fcolumn}  In dieser Umgebung kann man Verbatim-Text
   wie \verb=\fcolbox= verwenden.              \end{fcolumn}
\end{document}
