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<?xml version="1.0" encoding="UTF-8"?><!--   Copyright 2011-2012 Jacob Beard, INFICON, and other SCION contributors   Licensed under the Apache License, Version 2.0 (the "License");   you may not use this file except in compliance with the License.   You may obtain a copy of the License at       http://www.apache.org/licenses/LICENSE-2.0   Unless required by applicable law or agreed to in writing, software   distributed under the License is distributed on an "AS IS" BASIS,   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   See the License for the specific language governing permissions and   limitations under the License.--><scxml     datamodel="ecmascript"    xmlns="http://www.w3.org/2005/07/scxml"    version="1.0">    <datamodel>        <data id="x"/>    </datamodel>    <state id="a">        <onentry>            <!-- first -1 will be assigned to the datamodel. then, in the same small-step, this will be overridden by the 99 -->            <assign location="x" expr="-1"/>            <assign location="x" expr="99"/>        </onentry>        <!-- in order for this transition to be taken, a must be updated immediately, in the same small-step -->        <transition  event="t" target="b" cond="x === 99">            <assign location="x" expr="x + 1"/>        </transition>    </state>    <state id="b">        <!-- use regular assignment syntax, assuming datamodel variables are in script scope -->        <onentry>            <!-- <script>                x *= 2;            </script> -->            <assign location="x" expr="x * 2"/>        </onentry>        <transition target="c" cond="x === 200"/>        <transition target="f"/>    </state>    <state id="c"/>    <state id="f"/>
</scxml>