%%
%% Ein Beispiel der DANTE-Edition
%%
%% 2. Auflage
%%
%% Beispiel 03-07-5 auf Seite 78.
%%
%% 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) 1
%%
%%
\documentclass[ngerman]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{169.16928pt}
%
\setlength\parindent{0pt}
\setlength\parskip{2ex}
%StartShownPreambleCommands
\documentclass[ngerman]{article}
\usepackage[T1]{fontenc}
\usepackage{babel}
\usepackage[arrow,matrix,curve]{xy}
%StopShownPreambleCommands
\begin{document}
\shorthandoff{"} "A"u \ldots\par
\begin{xy}
\xymatrix{%
A \ar[r] ^a="a" & B \ar[r] ^b="b" & C
\ar @/^/ "a";"b" }
\end{xy}\par
\shorthandon{"} "A"u \ldots
\end{document}
