%% 
%%  A DANTE-Edition example
%% 
%%  Example 07-01-3 on page 81.
%% 
%%  Copyright (C) 2011 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{129.70511pt}
\setlength\parindent{0pt}

\usepackage{pstricks}

\begin{document}
\begin{pspicture}[showgrid](3,3)
  \pspolygon[fillstyle=eofill,
             fillcolor=blue!30]%
    (0,1)(3,1)(3,3)(2,3)(2,0)(1,0)(1,1.5)%
    (2.5,1.5)(2.5,2.5)(0,2.5)
\end{pspicture}
\end{document}