%% An UIT Edition example

%%
%% An UIT Edition example
%%
%% Example 08-02-1 on page 155.
%%
%% 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[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{177.70511pt}
\AtBeginDocument{\setlength\parindent{0pt}}
\StartShownPreambleCommands
\def\tdela{\delimiter"4222378\relax}
\def\tdelb{\delimiter"5223379\relax}
\StopShownPreambleCommands
\begin{document}
$\tdela x-y\tdelb(x+y)=x^2-y^2$
\[ \tdela\sum_{n=0}^\infty
{1\over2^n}\tdelb^2 = 4 \]
\[ \left\tdela\sum_{n=0}^\infty
{1\over2^n}\right\tdelb^2 = 4 \]
\end{document}