attributeGroup  munder.attlist 

version	V3_1
namespace	http://www.w3.org/1998/Math/MathML
used by	complexType   {http://www.w3.org/1998/Math/MathML}:munder.type
attributes	Name   Type   Use   Default   Fixed   annotation accentunder   xsd:boolean                 class   xsd:NMTOKENS                 style   xsd:string                 xref   xsd:IDREF                 id   xsd:ID                 xlink:href   xsd:anyURI
source	<xsd:attributeGroup  name="munder.attlist"> <xsd:attribute  name="accentunder"  type="xs:boolean"> </xsd:attribute> <xsd:attributeGroup  ref="Common.attrib"> </xsd:attributeGroup> </xsd:attributeGroup>

attribute  munder.attlist/@accentunder 

type	xsd:boolean
source	<xsd:attribute  name="accentunder"  type="xs:boolean"/>