<xsd:complexType name="CT_Stroke"> <xsd:sequence> <xsd:element ref="o:left" minOccurs="0" /> <xsd:element ref="o:top" minOccurs="0" /> <xsd:element ref="o:right" minOccurs="0" /> <xsd:element ref="o:bottom" minOccurs="0" /> <xsd:element ref="o:column" minOccurs="0" /> </xsd:sequence> <xsd:attributeGroup ref="AG_Id" /> <xsd:attributeGroup ref="AG_StrokeAttributes" /> </xsd:complexType>