error-summary-on-top.xml

<xh:html xmlns:xh="http://www.w3.org/1999/xhtml"
      xmlns:xf="http://www.w3.org/2002/xforms"
      xmlns:ev="http://www.w3.org/2001/xml-events"
      xmlns:fr="http://orbeon.org/oxf/xml/form-runner">
    <xh:head>
        <xf:model>
            <xf:instance>
                <invalid/>
            </xf:instance>
            <xf:bind ref="." constraint="false()"/>
            <xf:dispatch ev:event="xforms-ready" name="fr-visit-all" targetid="error-summary"/>
        </xf:model>
    </xh:head>
    <xh:body>
        <fr:error-summary id="error-summary" observer="output"/>
        <xf:input ref="." id="output">
            <xf:alert>alert</xf:alert>
        </xf:input>
    </xh:body>
</xh:html>