    <xbl:implementation>
                    <xf:model>
                        <xf:instance xxf:cache="true" src="oxf:/xbl/orbeon/us-state/states.xml" xxf:readonly="true"></xf:instance>
                    </xf:model>
                </xbl:implementation>
                <xbl:template>
                    <xf:select1 appearance="minimal" xxbl:scope="outer" xbl:attr="model context ref bind appearance class">
                        <xbl:content includes="xforms|label,xforms|help,xforms|hint,xforms|alert"></