<xs:element name="span">
    <xs:annotation>
        <xs:documentation>A generic mechanism for adding inline information to parts of the textual content</xs:documentation>
    </xs:annotation>
    <xs:complexType mixed="true">
        <xs:choice minOccurs="0" maxOccurs="unbounded">
            <xs:element ref="ruby" />
            <xs:any namespace="##other" processContents="lax">
                <xs:annotation>
                    <xs:documentation>Extension point for provider-defined properties from other namespaces</xs:documentation>
                </xs:annotation>
            </xs:any>
        </xs:choice>
        <xs:attributeGroup ref="commonPowerAttributes" />
        <xs:attributeGroup ref="i18nAttributes" />
        <xs:attribute name="class" type="xs:string" use="optional">
            <xs:annotation>
                <xs:documentation>An equivalent of the html class attribute</xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:anyAttribute namespace="##other" processContents="lax" />
    </xs:complexType>
</xs:element>