\chapter{Graphics} \label{Graphics}

This section describes the  data types $color$, $window$, $panel$, and
$menu$. 

\input extract/color.tex
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\input extract/window.tex
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\input extract/panel.tex
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\input extract/menu.tex
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\input extract/ps_file.tex
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\input extract/graphwin.tex
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\input gw_format.tex
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\input extract/geowin.tex
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\input extract/d3_window.tex
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