activation du plugin metadata

  <textOptions/>

  <plugins>

    <plugin name="side_toc"/>

    <plugin name="ead_metadata"/>

    <plugin name="ead_pdf"/>

    <plugin name="ead_search">

    <plugin name="img_viewer">

        <parameters>

         <parameter key="imagesRepository" value="ui/images/" xsl="true"/>

       </parameters>

     </plugin>

    <plugin name="ead_search">

      <parameters>

        <parameter key="searchForm">

          <search>