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+<?xml version="1.0" encoding="UTF-8"?>
+<!-- we test that #_scxml_sessionid as a target of <send> puts the event on the external queue. If it does,
+event1 will be processed before event2, because event1 is added to the internal queue while event2 is
+added to the external queue (event though event2 is generated first). we have to make sure that event2
+is actually delivered. The delayed <send> makes sure another event is generated (so the test doesn't hang) -->
+<scxml xmlns="http://www.w3.org/2005/07/scxml" xmlns:conf="http://www.w3.org/2005/scxml-conformance" initial="s0" version="1.0" datamodel="promela">
+ <datamodel>
+ <data id="Var1" type="string" expr="'#_scxml_'"/>
+ <data id="Var2" type="string" expr="_sessionid"/>
+ </datamodel>
+ <state id="s0">
+ <onentry>
+ <assign xmlns:scxml="http://www.w3.org/2005/07/scxml" location="Var1" expr="Var1 + Var2"/>
+ <!-- goes to the external queue -->
+ <send event="event2" targetexpr="Var1"/>
+ <!-- to the internal queue -->
+ <raise event="event1"/>
+ <!-- this should get added to the external queue after event2 -->
+ <send event="timeout"/>
+ </onentry>
+ <!-- once we've entered the state, we should check for internal events first -->
+ <transition event="event1" target="s1"/>
+ <transition event="*" target="fail"/>
+ </state>
+ <!-- now check that we get event2 and not a timeout -->
+ <state id="s1">
+ <transition event="event2" target="pass"/>
+ <transition event="*" target="fail"/>
+ </state>
+ <final xmlns:scxml="http://www.w3.org/2005/07/scxml" id="pass">
+ <onentry>
+ <log label="Outcome" expr="'pass'"/>
+ </onentry>
+ </final>
+ <final xmlns:scxml="http://www.w3.org/2005/07/scxml" id="fail">
+ <onentry>
+ <log label="Outcome" expr="'fail'"/>
+ </onentry>
+ </final>
+</scxml>