gistfile1.xml

<xhtml:html xmlns:xforms="http://www.w3.org/2002/xforms"
    xmlns:xhtml="http://www.w3.org/1999/xhtml"
    xmlns:ev="http://www.w3.org/2001/xml-events"
    xmlns:xs="http://www.w3.org/2001/XMLSchema">

    <xhtml:head>
        <xforms:model>
            <xforms:instance id="instance">
                <leased>true</leased>
            </xforms:instance>
            <xforms:bind ref="." type="xs:boolean"/>
        </xforms:model>
    </xhtml:head>
    <xhtml:body>
        <xforms:select id="leased-control" appearance="full" ref=".">
            <xforms:item>
                <xforms:label>Leased</xforms:label>
                <xforms:value>true</xforms:value>
            </xforms:item>
        </xforms:select>
    </xhtml:body>
</xhtml:html>