<?xml version="1.0"?>
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format" 
  xmlns:pdf="http://xmlgraphics.apache.org/fop/extensions/pdf">
  <fo:layout-master-set>
    <fo:simple-page-master master-name="page"
      page-height="320pt" page-width="420pt" margin="10pt">
      <fo:region-body/>
    </fo:simple-page-master>
  </fo:layout-master-set>
  <fo:declarations>
    <pdf:info>
      <pdf:name key="Creator">MyCreator</pdf:name>
    </pdf:info>
  </fo:declarations>

  <fo:page-sequence master-reference="page">
    <fo:flow flow-name="xsl-region-body" text-align="justify">
      <fo:block>pdf:info only accepts pdf:name child elements.</fo:block>
    </fo:flow>
  </fo:page-sequence>

</fo:root>