fixed permissions check for executable files exported on systems where 'ls' reports alternative access characters
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<title>Apache Ant User Manual</title>
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<h2>Table of Contents</h2>
<a href="manual/introduction.html">Introduction</a><br>
<a href="quick_start_guide.html">Quick start guide</a><br>
<a href="feature_list.html">Feature list</a><br>
<h4>Manual</h4>
<a href="manual/installing.html">Installing Helium</a><br>
<a href="manual/using.html">Using Helium</a><br>
<a href="manual/running.html">Running Helium</a><br>
<a href="manual/stages.html">Helium stages</a><br>
<a href="data_model.html">Configuration reference</a><br>
<a href="metrics.html">Metrics</a><br>
<a href="manual/datapackage.html">Data Package reference</a><br>
<a href="api/index.html" target="_top">Helium API</a><br>
<h4>Tutorials</h4>
<a href="tutorials/ido.html">IDOs</a><br>
<a href="tutorials/variant.html">Variant teams - Customer Variant creation</a><br>
<a href="tutorials/vt_uda.html">Variant teams - UDA creation</a><br>
<a href="tutorials/using.html">Developers</a><br>
<a href="tutorials/pre-release-testing.html">Testing Helium pre-releases</a><br>
<h4>Development</h4>
<a href="architecture.html">Architecture</a><br>
<a href="design.html">Design</a><br>
<a href="style_guide.html">Style guide</a><br>
<a href="api/python/index.html" target="_top">Python API</a><br>
<a href="api/java/index.html" target="_top">Java API</a><br>
<a href="api/ant/index.html" target="_top">Ant Task Doc</a><br>
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