dotml:font-attributes 

Common font attributes

Attribute Group Information

Attributes

QName Type Fixed Default Use Inheritable Annotation
fontcolor dotml:color optional
fontname xs:string optional
fontsize xs:decimal optional

Used By

Attribute Group dotml:node-and-record-attributes
Complex Types dotml:cluster-or-graph, dotml:edge

Source 

<xs:attributeGroup name="font-attributes">
  <xs:annotation>
    <xs:documentation>Common font attributes</xs:documentation>
  </xs:annotation>
  <xs:attribute name="fontname" type="xs:string"/>
  <xs:attribute name="fontsize" type="xs:decimal"/>
  <xs:attribute name="fontcolor" type="dotml:color"/>
</xs:attributeGroup>