<xsd:attributeGroup name="duration">
<xsd:annotation>
<xsd:documentation>
<type>Attlist</type>
<name>duration</name>
<comment>The duration attribute is used to specify a duration when either the start or the end event of a time interval is not known.</comment>
</xsd:documentation>
</xsd:annotation>
<xsd:attribute name="duration" type="xsd:duration"/>
</xsd:attributeGroup> |