bundles/org.eclipse.platform.doc.user/contexts_CommonNavigator.xml

<?xml version="1.0" encoding="UTF-8"?>
<?NLS TYPE="org.eclipse.help.contexts"?>

<contexts>

  <!-- ===================== -->
  <!-- Help                  -->
  <!-- ===================== -->

    <context id="common_navigator">
        <description>The Project Explorer provides a hierarchical view of the artifacts in the Workbench.</description>
        <topic label="Project Explorer" href="reference/ref-27.htm"/>
        <topic label="Views" href="concepts/concepts-5.htm"/>
    </context>
    <context id="link_editor_action">
        <description>This command links the view with an editor.</description>
        <topic label="Project Explorer" href="reference/ref-27.htm"/>
    </context>

</contexts>