FileFormat does not specify a category-codelist

[WimVanDerZijden]

The codelist FileFormat has category elements on its codelist-items, but does not specify a category-codelist attribute.

<codelist name="FileFormat" xml:lang="en" complete="1">
  <metadata>
    <name>
      <narrative>File Format</narrative>
    </name>
    <description>
      <narrative>File format of published documents.</narrative>
    </description>
    <url>http://www.iana.org/assignments/media-types</url>
  </metadata>
  <codelist-items>
    <codelist-item>
      <code>application/1d-interleaved-parityfec</code>
      <category>application</category>
    </codelist-item>
   ...
</codelist>