Moved definition of dollar, so it's available for use when needed.
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<h2>Property group preparation</h2>
<h3>Description </h3>
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<p>Preparing the build area.</p>
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<th class="head">Name</th>
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<td><a href="property-prep.config.file.html" title="<p>Defines configuration file used in prep-copy target. The file defines how files are copied and extracted into build area.</p>" target="classframe"><tt class="docutils literal">prep.config.file</tt></a></td>
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<td><a href="property-prep.delivery.file.html" title="<p>Defines configuration file used in synergy operations (ccm-get-input for example). This file contains definition of projects that are checkouted or snapshotted.</p>" target="classframe"><tt class="docutils literal">prep.delivery.file</tt></a></td>
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