Revision control
++ <?xml version="1.0" encoding="UTF-8"?><!-- test that we can use any ecmascript expression as a value expression.
++ In this case, we just test that we can assign
++ a function to a variable and then call it. --><scxml xmlns="http://www.w3.org/2005/07/scxml" xmlns:conf="http://www.w3.org/2005/scxml-conformance" datamodel="ecmascript" version="1.0">
++ <datamodel>
++ <data id="var1" expr="function(invar) {return invar + 1;}"/>
++ </datamodel>
++
++ <state id="s0">
++ <onentry>
++ <raise event="event1"/>
++ </onentry>
++ <!-- test that we can call the function -->
++ <transition event="event1" cond="var1(2) == 3" 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>