%% 
%%  A DANTE-Edition example
%% 
%%  Example 02-11-7 on page 68.
%% 
%%  Copyright (C) 2010 Herbert 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.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{177.70511pt}
\setlength\parindent{0pt}
\setlength\fboxsep{0pt}

\usepackage{makecell}

\begin{document}
\rule{1em}{0.5pt}\fbox{good text}\rule{1em}{0.5pt}\fbox{\gape{good text}}%
\rule{1em}{0.5pt}\fbox{\gape[b]{good text}}\rule{1em}{0.5pt}
\fbox{\gape[t]{good text}}\rule{1em}{0.5pt}
\end{document}