%% 
%%  A DANTE-Edition example
%% 
%%  Beispiel 02-16-1 auf Seite 84.
%% 
%%  Copyright (C) 2010 H. Voss
%% 
%%  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.
%% 

%%Run also: >>  << 
% Show page(s) 1

\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{194.59192pt}
\setlength\parindent{0pt}

\usepackage{booktabs}
\usepackage{tabularht}

\begin{document}
\fbox{%
\begin{tabularht*}{1in}{4in}{@{} l @{\extracolsep{\fill}} r @{}}
  Oben Links & Oben Rechts\\\interrowfill
  \multicolumn{2}{@{}c@{}}{bounding box}\\\interrowfill
  Unten Links & Oben Rechts
\end{tabularht*}}
\end{document}