Revision control
++ <?xml version="1.0" encoding="UTF-8"?><!-- test that we keep pulling external events off the queue till we find one that matches a transition. --><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="externalEvent1"/>
++ <send event="externalEvent2" delay="1s"/>
++ <raise event="internalEvent"/>
++ </onentry>
++ <!-- in this state we should process only internalEvent -->
++ <transition event="internalEvent" target="s1"/>
++ <transition event="*" target="fail"/>
++ </state>
++
++ <state id="s1">
++ <!-- in this state we ignore externalEvent1 and wait for externalEvent2 -->
++ <transition event="externalEvent2" target="pass"/>
++ <transition event="internalEvent" 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>