<xsd:complexType name="caseexpr">
<xsd:sequence>
<!-- case expression: -->
- <xsd:group ref="expression" minOccurs="1" maxOccurs="1" />
+ <xsd:group ref="expression" minOccurs="1" maxOccurs="unbounded" />
<!-- match -->
<xsd:group ref="fields" minOccurs="1" maxOccurs="unbounded" />
<xsd:choice>