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<topic id="introduction-to-master-files">
  <title><?oxy_comment_start author="steven_higgs" timestamp="20160112T090828+0200" comment="This content was merged into &quot;defining_master_files.dita&quot; and this one moved to not_used."?>Introduction
    to Master Files at Project Level<?oxy_comment_end?></title>
  <prolog>
    <metadata>
      <keywords>
        <indexterm>Master Files introduction</indexterm>
      </keywords>
    </metadata>
  </prolog>
  <body>
    <p><ph keyref="product"/> allows you to define <term>master files</term> at project level. These
        <term>master files</term> are automatically used by <ph keyref="product"/> to determine the
      context for operations such as validation, content completion, refactoring, or search for
        XML<ph product="developer developerEclipse editor editorEclipse">, XSD, XSL, WSDL, and
        RNG</ph> modules. <ph keyref="product"/> maintains the hierarchy of the <term>master
        files</term>, helping you to determine the editing context.</p>
    <p>To watch our video demonstration about the <uicontrol>Master Files Support</uicontrol> for
      XML documents, <ph product="developer developerEclipse editor editorEclipse">XSL documents,
        and WSDL documents, </ph>go to <xref
        href="http://oxygenxml.com/demo/Working_With_XML_Modules.html" format="html"
        scope="external">Working with Modular XML Files</xref><ph
        product="developer developerEclipse editor editorEclipse">, <xref
          href="http://oxygenxml.com/demo/MasterFilesSupport.html" format="html" scope="external"
          >Master Files Support</xref>, and <xref
          href="http://oxygenxml.com/demo/WSDL_Working_Modules.html" format="html" scope="external"
          >Working with Modular WSDL Files</xref>, respectively</ph>.</p>
  </body>
</topic>
