Form to test pruning in send()

form.xhtml

<xh:html xmlns:xh="http://www.w3.org/1999/xhtml" xmlns:xf="http://www.w3.org/2002/xforms"
         xmlns:xs="http://www.w3.org/2001/XMLSchema"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns:ev="http://www.w3.org/2001/xml-events"
         xmlns:xi="http://www.w3.org/2001/XInclude"
         xmlns:xxi="http://orbeon.org/oxf/xml/xinclude"
         xmlns:xxf="http://orbeon.org/oxf/xml/xforms"
         xmlns:exf="http://www.exforms.org/exf/1-0"
         xmlns:fr="http://orbeon.org/oxf/xml/form-runner"
         xmlns:saxon="http://saxon.sf.net/"
         xmlns:sql="http://orbeon.org/oxf/xml/sql"
         xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"
         xmlns:fb="http://orbeon.org/oxf/xml/form-builder">
    <xh:head>
        <xh:title>Untitled Form</xh:title>
        <xf:model id="fr-form-model" xxf:expose-xpath-types="true">

            <!-- Main instance -->
            <xf:instance id="fr-form-instance" xxf:exclude-result-prefixes="#all">
                <form>
                    <visible-section>
                        <visible-control/>
                    </visible-section>
                    <hidden-section>
                        <hidden-control/>
                    </hidden-section>
                </form>
            </xf:instance>

            <!-- Bindings -->
            <xf:bind id="fr-form-binds" ref="instance('fr-form-instance')">
                <xf:bind id="visible-section-bind" name="visible-section" ref="visible-section">
                    <xf:bind id="visible-control-bind" name="visible-control" ref="visible-control"/>
                </xf:bind>
                <xf:bind id="hidden-section-bind" ref="hidden-section" name="hidden-section"
                         relevant="false()">
                    <xf:bind id="hidden-control-bind" ref="hidden-control" name="hidden-control"/>
                </xf:bind>
            </xf:bind>

            <!-- Metadata -->
            <xf:instance xxf:readonly="true" id="fr-form-metadata" xxf:exclude-result-prefixes="#all">
                <metadata>
                    <application-name>a</application-name>
                    <form-name>a</form-name>
                    <title xml:lang="en">Untitled Form</title>
                    <description xml:lang="en"/>
                    <singleton>false</singleton>
                </metadata>
            </xf:instance>

            <!-- Attachments -->
            <xf:instance id="fr-form-attachments" xxf:exclude-result-prefixes="#all">
                <attachments>
                    <css mediatype="text/css" filename="" size=""/>
                    <pdf mediatype="application/pdf" filename="" size=""/>
                </attachments>
            </xf:instance>

            <!-- All form resources -->
            <!-- Don't make readonly by default in case a service modifies the resources -->
            <xf:instance id="fr-form-resources" xxf:readonly="false" xxf:exclude-result-prefixes="#all">
                <resources>
                    <resource xml:lang="en">
                        <hidden-control>
                            <label>Hidden control</label>
                            <hint/>
                        </hidden-control>
                        <visible-section>
                            <label>Visible section</label>
                        </visible-section>
                        <hidden-section>
                            <label>Hidden section</label>
                            <help/>
                        </hidden-section>
                        <visible-control>
                            <label>Visible control</label>
                            <hint/>
                            
                        </visible-control>
                    </resource>
                </resources>
            </xf:instance>

            <!-- Utility instances for services -->
            <xf:instance id="fr-service-request-instance" xxf:exclude-result-prefixes="#all">
                <request/>
            </xf:instance>

            <xf:instance id="fr-service-response-instance" xxf:exclude-result-prefixes="#all">
                <response/>
            </xf:instance>

        </xf:model>
    </xh:head>
    <xh:body>
        <fr:view>
            <fr:body xmlns:xbl="http://www.w3.org/ns/xbl" xmlns:p="http://www.orbeon.com/oxf/pipeline"
                     xmlns:oxf="http://www.orbeon.com/oxf/processors">
                <fr:section id="visible-section-control" bind="visible-section-bind">
                    <xf:label ref="$form-resources/visible-section/label"/>
                    <fr:grid>
                        <xh:tr>
                            <xh:td>
                                <xf:input id="visible-control-control" bind="visible-control-bind">
                                    <xf:label ref="$form-resources/visible-control/label"/>
                                    <xf:hint ref="$form-resources/visible-control/hint"/>
                                    <xf:alert ref="$fr-resources/detail/labels/alert"/>
                                    
                                </xf:input>
                            </xh:td>
                            <xh:td/>
                        </xh:tr>
                    </fr:grid>
                </fr:section>
                <fr:section id="hidden-section-control" bind="hidden-section-bind">
                    <xf:label ref="$form-resources/hidden-section/label"/>
                    <fr:grid>
                        <xh:tr>
                            <xh:td>
                                <xf:input id="hidden-control-control" bind="hidden-control-bind">
                                    <xf:label ref="$form-resources/hidden-control/label"/>
                                    <xf:hint ref="$form-resources/hidden-control/hint"/>
                                    <xf:alert ref="$fr-resources/detail/labels/alert"/>
                        
                        
                                </xf:input>
                            </xh:td>
                            <xh:td/>
                        </xh:tr>
                    </fr:grid>
                </fr:section>
            </fr:body>
        </fr:view>
    </xh:body>
</xh:html>

properties-local.xml

<properties xmlns:xs="http://www.w3.org/2001/XMLSchema"
            xmlns:oxf="http://www.orbeon.com/oxf/processors">

    <property as="xs:string"  name="oxf.fr.detail.buttons.*.*"                              value="submit"/>
    <property as="xs:string"  name="oxf.fr.detail.process.submit.*.*">
        send(
            uri = "http://requestb.in/1m21p7r1"
        )
    </property>

</properties>