--- a/examples/example.xml	Thu Aug 23 09:50:35 2007 +0200
+++ b/examples/example.xml	Mon Aug 27 17:37:50 2007 +0200
@@ -118,7 +118,7 @@
               </inputVariables>
               <inOutVariables/>
               <outputVariables>
-                <variable formalParameter="OUT" negated="true">
+                <variable formalParameter="OUT">
                   <connectionPointOut>
                     <relPosition y="36" x="99"/>
                   </connectionPointOut>
@@ -174,7 +174,7 @@
             <block localId="11" height="97" width="105" instanceName="SR1" typeName="SR">
               <position y="159" x="418"/>
               <inputVariables>
-                <variable formalParameter="S1">
+                <variable formalParameter="S1" negated="true">
                   <connectionPointIn>
                     <relPosition y="39" x="0"/>
                     <connection refLocalId="6" formalParameter="OUT">
@@ -245,10 +245,10 @@
             </comment>
             <leftPowerRail localId="2" height="80" width="2">
               <position y="60" x="10"/>
-              <connectionPointOut formalParameter="">
+              <connectionPointOut formalParameter="None">
                 <relPosition y="20" x="2"/>
               </connectionPointOut>
-              <connectionPointOut formalParameter="">
+              <connectionPointOut formalParameter="None">
                 <relPosition y="60" x="2"/>
               </connectionPointOut>
             </leftPowerRail>
@@ -542,10 +542,10 @@
               <LD>
                 <leftPowerRail localId="1" height="98" width="2">
                   <position y="20" x="31"/>
-                  <connectionPointOut formalParameter="">
+                  <connectionPointOut formalParameter="None">
                     <relPosition y="20" x="2"/>
                   </connectionPointOut>
-                  <connectionPointOut formalParameter="">
+                  <connectionPointOut formalParameter="None">
                     <relPosition y="64" x="2"/>
                   </connectionPointOut>
                 </leftPowerRail>
@@ -625,7 +625,7 @@
           <SFC>
             <step localId="1" height="31" width="46" initialStep="true" name="Start">
               <position y="46" x="82"/>
-              <connectionPointOut formalParameter="">
+              <connectionPointOut formalParameter="None">
                 <relPosition y="31" x="23"/>
               </connectionPointOut>
             </step>
@@ -654,10 +654,10 @@
                   <position y="104" x="105"/>
                 </connection>
               </connectionPointIn>
-              <connectionPointOut formalParameter="">
+              <connectionPointOut formalParameter="None">
                 <relPosition y="27" x="14"/>
               </connectionPointOut>
-              <connectionPointOutAction formalParameter="">
+              <connectionPointOutAction formalParameter="None">
                 <relPosition y="13" x="29"/>
               </connectionPointOutAction>
             </step>
@@ -670,13 +670,13 @@
                   <position y="156" x="105"/>
                 </connection>
               </connectionPointIn>
-              <connectionPointOut formalParameter="">
+              <connectionPointOut formalParameter="None">
                 <relPosition y="1" x="0"/>
               </connectionPointOut>
-              <connectionPointOut formalParameter="">
+              <connectionPointOut formalParameter="None">
                 <relPosition y="1" x="228"/>
               </connectionPointOut>
-              <connectionPointOut formalParameter="">
+              <connectionPointOut formalParameter="None">
                 <relPosition y="1" x="391"/>
               </connectionPointOut>
             </selectionDivergence>
@@ -693,7 +693,7 @@
                 <relPosition y="2" x="10"/>
               </connectionPointOut>
               <condition>
-                <inline name="">
+                <inline name="None">
                   <ST><![CDATA[IN2 AND IN3]]></ST>
                 </inline>
               </condition>
@@ -707,11 +707,11 @@
                   <position y="237" x="105"/>
                 </connection>
               </connectionPointIn>
-              <connectionPointOut formalParameter="">
+              <connectionPointOut formalParameter="None">
                 <relPosition y="27" x="24"/>
               </connectionPointOut>
             </step>
-            <transition localId="7" height="2" width="20">
+            <transition localId="7" height="2" priority="1" width="20">
               <position y="207" x="323"/>
               <connectionPointIn>
                 <relPosition y="0" x="10"/>
@@ -736,7 +736,7 @@
                   <position y="209" x="333"/>
                 </connection>
               </connectionPointIn>
-              <connectionPointOut formalParameter="">
+              <connectionPointOut formalParameter="None">
                 <relPosition y="27" x="24"/>
               </connectionPointOut>
             </step>
@@ -765,10 +765,10 @@
                   <position y="209" x="496"/>
                 </connection>
               </connectionPointIn>
-              <connectionPointOut formalParameter="">
+              <connectionPointOut formalParameter="None">
                 <relPosition y="27" x="24"/>
               </connectionPointOut>
-              <connectionPointOutAction formalParameter="">
+              <connectionPointOutAction formalParameter="None">
                 <relPosition y="13" x="48"/>
               </connectionPointOutAction>
             </step>
@@ -824,7 +824,7 @@
                 <relPosition y="2" x="10"/>
               </connectionPointOut>
               <condition>
-                <inline name="">
+                <inline name="None">
                   <ST><![CDATA[IN5]]></ST>
                 </inline>
               </condition>
@@ -842,7 +842,7 @@
                 <relPosition y="2" x="10"/>
               </connectionPointOut>
               <condition>
-                <inline name="">
+                <inline name="None">
                   <ST><![CDATA[IN5]]></ST>
                 </inline>
               </condition>
@@ -907,10 +907,10 @@
                   <position y="209" x="105"/>
                 </connection>
               </connectionPointIn>
-              <connectionPointOut formalParameter="">
+              <connectionPointOut formalParameter="None">
                 <relPosition y="3" x="0"/>
               </connectionPointOut>
-              <connectionPointOut formalParameter="">
+              <connectionPointOut formalParameter="None">
                 <relPosition y="3" x="118"/>
               </connectionPointOut>
             </simultaneousDivergence>
@@ -923,7 +923,7 @@
                   <position y="237" x="223"/>
                 </connection>
               </connectionPointIn>
-              <connectionPointOut formalParameter="">
+              <connectionPointOut formalParameter="None">
                 <relPosition y="27" x="24"/>
               </connectionPointOut>
             </step>