http://memberwebs.com/ns/rtfx/
element stylesheet

Documentation

Contains a list of all the paragraph styles in the document, and their various formatting attributes.

Model

<stylesheet>
style*
</stylesheet>

Source

<xs:element name="stylesheet">
  <xs:complexType>
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element ref="style"/>
    </xs:choice>
  </xs:complexType>
</xs:element>