attributeGroup  mtd.attlist 

version	V3_0
namespace	http://www.w3.org/1998/Math/MathML
used by	complexType   {http://www.w3.org/1998/Math/MathML}:mtd.type
attributes	Name   Type   Use   Default   Fixed   annotation rowalign   xsd:string       baseline         columnalign   xsd:string       center         groupalign   xsd:string                 columnspan   xsd:positiveInteger       1         rowspan   xsd:positiveInteger       1         class   xsd:NMTOKENS                 style   xsd:string                 xref   xsd:IDREF                 id   xsd:ID                 xlink:href   xsd:anyURI
source	<xsd:attributeGroup  name="mtd.attlist"> <xsd:attributeGroup  ref="Table-alignment.attrib"> </xsd:attributeGroup> <xsd:attribute  name="columnspan"  type="xs:positiveInteger"  default="1"> </xsd:attribute> <xsd:attribute  name="rowspan"  type="xs:positiveInteger"  default="1"> </xsd:attribute> <xsd:attributeGroup  ref="Common.attrib"> </xsd:attributeGroup> </xsd:attributeGroup>

attribute  mtd.attlist/@columnspan 

type	xsd:positiveInteger
source	<xsd:attribute  name="columnspan"  type="xs:positiveInteger"  default="1"/>

attribute  mtd.attlist/@rowspan 

type	xsd:positiveInteger
source	<xsd:attribute  name="rowspan"  type="xs:positiveInteger"  default="1"/>