attributeGroup  interval.attlist 

version	V3_1
namespace	http://www.w3.org/1998/Math/MathML
used by	complexType   {http://www.w3.org/1998/Math/MathML}:interval.type
attributes	Name   Type   Use   Default   Fixed   annotation closure   xsd:string       closed         class   xsd:NMTOKENS                 style   xsd:string                 xref   xsd:IDREF                 id   xsd:ID                 xlink:href   xsd:anyURI
source	<xsd:attributeGroup  name="interval.attlist"> <xsd:attribute  name="closure"  default="closed"> <xsd:simpleType> <xsd:restriction  base="xs:string"> <xsd:enumeration  value="closed"> </xsd:enumeration> <xsd:enumeration  value="open"> </xsd:enumeration> <xsd:enumeration  value="open-closed"> </xsd:enumeration> <xsd:enumeration  value="closed-open"> </xsd:enumeration> </xsd:restriction> </xsd:simpleType> </xsd:attribute> <xsd:attributeGroup  ref="Common.attrib"> </xsd:attributeGroup> </xsd:attributeGroup>

attribute  interval.attlist/@closure 

type	restriction of xsd:string
source	<xsd:attribute  name="closure"  default="closed"> <xsd:simpleType> <xsd:restriction  base="xs:string"> <xsd:enumeration  value="closed"> </xsd:enumeration> <xsd:enumeration  value="open"> </xsd:enumeration> <xsd:enumeration  value="open-closed"> </xsd:enumeration> <xsd:enumeration  value="closed-open"> </xsd:enumeration> </xsd:restriction> </xsd:simpleType> </xsd:attribute>