<xs:attributeGroup name="att.edition.attribute.ed">
<xs:attribute name="ed">
<xs:annotation>
<xs:documentation>(edition) supplies a sigil or other arbitrary identifier for the source edition in which the associated feature (for example, a page, column, or line break) occurs at this point in the text.</xs:documentation>
</xs:annotation>
<xs:simpleType>
<xs:restriction>
<xs:simpleType>
<xs:list>
<xs:simpleType>
<xs:restriction base="xs:token">
<xs:pattern value="(\p{L}|\p{N}|\p{P}|\p{S})+"/>
</xs:restriction>
</xs:simpleType>
</xs:list>
</xs:simpleType>
<xs:minLength value="1"/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
</xs:attributeGroup> |