<xsd:element minOccurs="0" name="fullscreen" type="ob:bool"/>
<xsd:element minOccurs="0" name="maximized" type="ob:maximization"/>
</xsd:all>
+ <!-- at least one of these must be present -->
<xsd:attribute name="role" type="xsd:string"/>
+ <xsd:attribute name="title" type="xsd:string"/>
<xsd:attribute name="type" type="ob:clienttype"/>
- <!-- at least one of these must be present -->
<xsd:attribute name="name" type="xsd:string"/>
<xsd:attribute name="class" type="xsd:string"/>
</xsd:complexType>