stroke-linecap

<xs:attribute name="stroke-linecap">
  <xs:simpleType>
    <xs:restriction base="xs:token">
      <xs:enumeration value="butt"/>
      <xs:enumeration value="round"/>
      <xs:enumeration value="square"/>
      <xs:enumeration value="inherit"/>
    </xs:restriction>
  </xs:simpleType>
</xs:attribute>