%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  2. Auflage
%% 
%%  Beispiel 08-05-7 auf Seite 322.
%% 
%%  Copyright (C) 2016 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) 2
%% 
%% 
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{169.16928pt}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[ngerman]{babel}
\usepackage{textdemo,fancybox}
\setlength\textwidth{6cm}
\setlength\textheight{8cm}
\usepackage{xcolor}\let\Rule\rule
\renewcommand\rule[2]{{\color{lightgray}\Rule{#1}{#2}}}
\fancypage{\setlength\fboxsep{4pt}\fbox}{}
\AtBeginDocument{\sloppy\vspace*{5mm}}
%StartShownPreambleCommands

%StopShownPreambleCommands
\begin{document}
\textDemo \textDemo
\begin{figure}[!htb]
\begin{minipage}{\textwidth}
\centering\rule{0.75\linewidth}{1cm}
\caption[Ein breiter, schwarzer Strich]
        {Ein breiter, schwarzer Strich${}^a$}
\footnotetext[1]{Manchmal auch blau}
\end{minipage}
\end{figure}
\textDemo
\end{document}