Revision control
++ <?xml version="1.0" encoding="UTF-8"?><!-- test that autofoward works. If the child process receives back a copy of the
++ childToParent event that it sends to this doc, it sends eventReceived, signalling success. (Note
++ that this doc is not required to process that event explicitly. It should be forwarded in any case.) Otherwise
++ it eventually times out and the done.invoke signals failure --><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">
++
++
++ <state id="s0">
++ <onentry>
++ <send event="timeout" delay="3s"/>
++ </onentry>
++
++ <invoke type="http://www.w3.org/TR/scxml/" autoforward="true">
++ <content>
++ <!-- when invoked, send childToParent to parent.
++ If it is forwarded back to us, send
++ eventReceived to signal success and terminate.
++ Otherwise wait for timer to expire and terminate. -->
++ <scxml initial="sub0" version="1.0" datamodel="ecmascript">
++ <state id="sub0">
++ <onentry>
++ <send target="#_parent" event="childToParent"/>
++ <send event="timeout" delay="3s"/>
++ </onentry>
++ <transition event="childToParent" target="subFinal">
++ <send target="#_parent" event="eventReceived"/>
++ </transition>
++ <transition event="*" target="subFinal"/>
++ </state>
++ <final id="subFinal"/>
++ </scxml>
++ </content>
++ </invoke>
++
++ <transition event="childToParent"/>
++ <transition event="eventReceived" 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>