Revision control
++ <?xml version="1.0" encoding="UTF-8"?><!-- test that non-existent datamodel values are not set. Var2 is not defined in
++ invoked child's datamodel. It will will return success if its Var2 remains unbound, failure otherwise. --><scxml xmlns="http://www.w3.org/2005/07/scxml" xmlns:conf="http://www.w3.org/2005/scxml-conformance" initial="s0" version="1.0" datamodel="ecmascript">
++ <datamodel>
++ <data id="Var2" expr="3"/>
++ </datamodel>
++
++ <state id="s0">
++ <onentry>
++ <send event="timeout" delay="2s"/>
++ </onentry>
++
++ <invoke type="http://www.w3.org/TR/scxml/" namelist="Var2">
++ <content>
++ <scxml initial="sub0" version="1.0" datamodel="ecmascript">
++ <state id="sub0">
++ <transition cond="Var2" target="subFinal">
++ <send target="#_parent" event="failure"/>
++ </transition>
++ <transition target="subFinal">
++ <send target="#_parent" event="success"/>
++ </transition>
++ </state>
++ <final id="subFinal"/>
++ </scxml>
++ </content>
++ </invoke>
++
++ <transition event="success" target="pass"/>
++ <transition event="*" target="fail"/>
++ </state>
++
++ <final id="pass"><onentry><log label="Outcome" expr="'pass'"/></onentry></final>
++ <final id="fail"><onentry><log label="Outcome" expr="'fail'"/></onentry></final>
++ </scxml>