isindex
link
meta
object
script
style
<xs:group name="head.misc"> <xs:sequence> <xs:choice maxOccurs="unbounded" minOccurs="0"> <xs:element ref="script"/> <xs:element ref="style"/> <xs:element ref="meta"/> <xs:element ref="link"/> <xs:element ref="object"/> <xs:element ref="isindex"/> </xs:choice> </xs:sequence></xs:group>