Documenting Resource Format

CSDGM

 <digform>
        <digtinfo>
            <formname>Microsoft Excel (.xls)</formname>
        </digtinfo>
    </digform>

DIF

<Distribution>
<Distribution_Format>JPEG</Distribution_Format>
   </Distribution>

ECHO

/*/echo:DataFormat
/*/CSDTDescriptions/CSDTDescription/Implementation
/*/AdditionalAttributes/AdditionalAttribute[Name='FileFormat']/Value

ISO

/*/gmd:identificationInfo/gmd:MD_DataIdentification/gmd:resourceFormat/gmd:MD_Format/gmd:name/gco:CharacterString