diff --git a/docs/book/build_overview.dia b/docs/book/build_overview.dia
index 3c68f8eb..d10d76aa 100644
--- a/docs/book/build_overview.dia
+++ b/docs/book/build_overview.dia
@@ -65,16 +65,16 @@
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@@ -94,16 +94,16 @@
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@@ -123,19 +123,19 @@
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@@ -159,7 +159,7 @@ from user scripts#</dia:string>
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@@ -172,19 +172,19 @@ from user scripts#</dia:string>
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@@ -208,7 +208,7 @@ generate the tasks#</dia:string>
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@@ -221,19 +221,19 @@ generate the tasks#</dia:string>
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@@ -257,7 +257,7 @@ on the tasks#</dia:string>
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@@ -270,19 +270,19 @@ on the tasks#</dia:string>
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@@ -306,7 +306,7 @@ that must be executed#</dia:string>
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@@ -319,19 +319,19 @@ that must be executed#</dia:string>
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@@ -355,7 +355,7 @@ data to the cache#</dia:string>
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@@ -368,14 +368,14 @@ data to the cache#</dia:string>
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@@ -396,14 +396,14 @@ data to the cache#</dia:string>
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@@ -424,14 +424,14 @@ data to the cache#</dia:string>
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@@ -452,14 +452,14 @@ data to the cache#</dia:string>
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@@ -480,10 +480,10 @@ data to the cache#</dia:string>
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@@ -497,7 +497,7 @@ data to the cache#</dia:string>
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@@ -513,10 +513,10 @@ data to the cache#</dia:string>
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@@ -530,7 +530,7 @@ data to the cache#</dia:string>
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@@ -546,19 +546,19 @@ data to the cache#</dia:string>
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@@ -582,7 +582,7 @@ data from the cache#</dia:string>
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@@ -595,14 +595,14 @@ data from the cache#</dia:string>
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@@ -623,17 +623,17 @@ data from the cache#</dia:string>
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@@ -660,14 +660,14 @@ data from the cache#</dia:string>
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diff --git a/docs/book/classes.dia b/docs/book/classes.dia
index 5d0f39da..0ec81738 100644
--- a/docs/book/classes.dia
+++ b/docs/book/classes.dia
@@ -2196,16 +2196,16 @@
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diff --git a/docs/book/classes_build.dia b/docs/book/classes_build.dia
index 5d043e97..c444ad95 100644
--- a/docs/book/classes_build.dia
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@@ -2892,7 +2892,7 @@
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-        <dia:boolean val="true"/>
+        <dia:boolean val="false"/>
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diff --git a/docs/book/conftest.dia b/docs/book/conftest.dia
index d0461c96..6bbd2dea 100644
--- a/docs/book/conftest.dia
+++ b/docs/book/conftest.dia
@@ -65,16 +65,16 @@
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@@ -91,16 +91,16 @@
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="24.35,11.17;26.3025,11.8875"/>
+        <dia:rectangle val="24.35,11.155;26.455,11.9"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -366,7 +366,7 @@
         <dia:point val="15.15,12.3"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="15.15,11.72;15.86,12.4375"/>
+        <dia:rectangle val="15.15,11.705;15.9475,12.45"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -399,7 +399,7 @@
         <dia:point val="12.7,9.05"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="12.7,8.47;16.0025,9.9875"/>
+        <dia:rectangle val="12.7,8.455;16.4275,10"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -433,7 +433,7 @@ to execute?#</dia:string>
         <dia:point val="19.75,10.1"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="19.75,9.52;22.1675,10.2375"/>
+        <dia:rectangle val="19.75,9.505;22.3275,10.25"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -463,13 +463,13 @@ to execute?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O12">
       <dia:attribute name="obj_pos">
-        <dia:point val="11.25,10.6313"/>
+        <dia:point val="11.45,10.6313"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="11.2,10.2695;16.1118,10.9931"/>
+        <dia:rectangle val="11.4,10.2695;16.1118,10.9931"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="11.25,10.6313"/>
+        <dia:point val="11.45,10.6313"/>
         <dia:point val="16,10.6313"/>
       </dia:attribute>
       <dia:attribute name="numcp">
@@ -522,12 +522,12 @@ to execute?#</dia:string>
         <dia:point val="17,9.63131"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="16.95,3.1382;20.5393,9.68131"/>
+        <dia:rectangle val="16.95,2.9882;20.4311,9.68131"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
         <dia:point val="17,9.63131"/>
-        <dia:point val="17,3.5"/>
-        <dia:point val="20.4274,3.5"/>
+        <dia:point val="17,3.35"/>
+        <dia:point val="20.3193,3.35"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="1"/>
@@ -552,14 +552,14 @@ to execute?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O15">
       <dia:attribute name="obj_pos">
-        <dia:point val="23.2174,4.4"/>
+        <dia:point val="23.4243,4.25"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.8556,4.35;23.5793,6.35776"/>
+        <dia:rectangle val="23.0625,4.2;23.7861,6.35776"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="23.2174,4.4"/>
-        <dia:point val="23.2175,6.24596"/>
+        <dia:point val="23.4243,4.25"/>
+        <dia:point val="23.4243,6.24596"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -580,14 +580,14 @@ to execute?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O16">
       <dia:attribute name="obj_pos">
-        <dia:point val="23.2175,8.04596"/>
+        <dia:point val="23.4243,8.04596"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.8556,7.99596;23.5793,9.74311"/>
+        <dia:rectangle val="23.0625,7.99596;23.7861,9.74311"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="23.2175,8.04596"/>
-        <dia:point val="23.2174,9.63131"/>
+        <dia:point val="23.4243,8.04596"/>
+        <dia:point val="23.4243,9.63131"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -608,13 +608,13 @@ to execute?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O17">
       <dia:attribute name="obj_pos">
-        <dia:point val="22.2174,10.6313"/>
+        <dia:point val="22.4243,10.6313"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="17.8882,10.2695;22.2675,10.9931"/>
+        <dia:rectangle val="17.8882,10.2695;22.4743,10.9931"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="22.2174,10.6313"/>
+        <dia:point val="22.4243,10.6313"/>
         <dia:point val="18,10.6313"/>
       </dia:attribute>
       <dia:attribute name="numcp">
@@ -636,14 +636,14 @@ to execute?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O18">
       <dia:attribute name="obj_pos">
-        <dia:point val="23.2174,11.6313"/>
+        <dia:point val="23.4243,11.6313"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.8556,11.5813;23.5793,13.7618"/>
+        <dia:rectangle val="23.0625,11.5813;23.7861,13.7618"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="23.2174,11.6313"/>
-        <dia:point val="23.2174,13.65"/>
+        <dia:point val="23.4243,11.6313"/>
+        <dia:point val="23.4243,13.65"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -664,15 +664,15 @@ to execute?#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O19">
       <dia:attribute name="obj_pos">
-        <dia:point val="22.2174,14.65"/>
+        <dia:point val="22.4243,14.65"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="17.8882,10.2695;22.2675,14.7"/>
+        <dia:rectangle val="17.8882,10.2695;22.4743,14.7"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="22.2174,14.65"/>
-        <dia:point val="20.1087,14.65"/>
-        <dia:point val="20.1087,10.6313"/>
+        <dia:point val="22.4243,14.65"/>
+        <dia:point val="20.2122,14.65"/>
+        <dia:point val="20.2122,10.6313"/>
         <dia:point val="18,10.6313"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
@@ -699,14 +699,14 @@ to execute?#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O20">
       <dia:attribute name="obj_pos">
-        <dia:point val="23.2174,15.65"/>
+        <dia:point val="23.4243,15.65"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="17.6382,15.6;23.2675,19.0618"/>
+        <dia:rectangle val="17.6382,15.6;23.4743,19.0618"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="23.2174,15.65"/>
-        <dia:point val="23.2174,18.7"/>
+        <dia:point val="23.4243,15.65"/>
+        <dia:point val="23.4243,18.7"/>
         <dia:point val="17.75,18.7"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
@@ -735,7 +735,7 @@ to execute?#</dia:string>
         <dia:point val="18.6,18.05"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="18.6,17.47;21.545,18.1875"/>
+        <dia:rectangle val="18.6,17.455;21.875,18.2"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -768,7 +768,7 @@ to execute?#</dia:string>
         <dia:point val="18.65,15.7"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="18.65,15.12;22.2375,16.6375"/>
+        <dia:rectangle val="18.65,15.105;22.6175,16.65"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -802,7 +802,7 @@ error#</dia:string>
         <dia:point val="10.15,12.1"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="10.15,11.52;11.5,12.2375"/>
+        <dia:rectangle val="10.15,11.505;11.7125,12.25"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -835,7 +835,7 @@ error#</dia:string>
         <dia:point val="14.35,18.85"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.35,18.27;15.4875,18.9875"/>
+        <dia:rectangle val="14.35,18.255;15.5675,19"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
diff --git a/docs/book/posting.dia b/docs/book/posting.dia
index 2ffc3513..32f3a7d3 100644
--- a/docs/book/posting.dia
+++ b/docs/book/posting.dia
@@ -65,16 +65,16 @@
   <dia:layer name="Fondo" visible="true" active="true">
     <dia:object type="UML - State Term" version="0" id="O0">
       <dia:attribute name="obj_pos">
-        <dia:point val="25.3157,1.6"/>
+        <dia:point val="25.3694,1.6"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="25.2657,1.55;26.3657,2.65"/>
+        <dia:rectangle val="25.3194,1.55;26.4194,2.65"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="25.3157,1.6"/>
+        <dia:point val="25.3694,1.6"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="1"/>
@@ -94,16 +94,16 @@
     </dia:object>
     <dia:object type="UML - State Term" version="0" id="O1">
       <dia:attribute name="obj_pos">
-        <dia:point val="32.6394,5.84"/>
+        <dia:point val="33.0919,5.84"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="32.5894,5.79;34.1894,7.39"/>
+        <dia:rectangle val="33.0419,5.79;34.6419,7.39"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="32.6394,5.84"/>
+        <dia:point val="33.0919,5.84"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="1.5"/>
@@ -123,19 +123,19 @@
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O2">
       <dia:attribute name="obj_pos">
-        <dia:point val="10.01,10.6933"/>
+        <dia:point val="10.0862,10.6933"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="9.96,10.6433;19.1525,13.3433"/>
+        <dia:rectangle val="10.0362,10.6433;20.4438,13.3433"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="10.01,10.6933"/>
+        <dia:point val="10.0862,10.6933"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="9.0924999999999994"/>
+        <dia:real val="10.307500000000001"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -159,7 +159,7 @@ from self.features and add '*'#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="14.5562,11.7733"/>
+            <dia:point val="15.24,11.7883"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -172,19 +172,19 @@ from self.features and add '*'#</dia:string>
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O3">
       <dia:attribute name="obj_pos">
-        <dia:point val="10.4162,21.5"/>
+        <dia:point val="10.605,21.5"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="10.3662,21.45;18.7462,24.95"/>
+        <dia:rectangle val="10.555,21.45;19.925,24.95"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="10.4162,21.5"/>
+        <dia:point val="10.605,21.5"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="8.2799999999999994"/>
+        <dia:real val="9.2699999999999996"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="3.4000000000000004"/>
@@ -209,7 +209,7 @@ precedence constraints #</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="14.5562,22.58"/>
+            <dia:point val="15.24,22.595"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -225,7 +225,7 @@ precedence constraints #</dia:string>
         <dia:point val="29.6944,21.9"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="29.6444,21.85;37.1344,24.55"/>
+        <dia:rectangle val="29.6444,21.85;38.0394,24.55"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
@@ -234,7 +234,7 @@ precedence constraints #</dia:string>
         <dia:point val="29.6944,21.9"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="7.3899999999999997"/>
+        <dia:real val="8.2949999999999999"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -258,7 +258,7 @@ from self.meths#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="33.3894,22.98"/>
+            <dia:point val="33.8419,22.995"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -271,19 +271,19 @@ from self.meths#</dia:string>
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O5">
       <dia:attribute name="obj_pos">
-        <dia:point val="9.24375,5.29"/>
+        <dia:point val="9.23875,5.29"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="9.19375,5.24;19.9187,7.94"/>
+        <dia:rectangle val="9.18875,5.24;21.2913,7.94"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="9.24375,5.29"/>
+        <dia:point val="9.23875,5.29"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="10.625"/>
+        <dia:real val="12.002500000000001"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -307,7 +307,7 @@ which has not generated its tasks #</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="14.5562,6.37"/>
+            <dia:point val="15.24,6.385"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -320,19 +320,19 @@ which has not generated its tasks #</dia:string>
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O6">
       <dia:attribute name="obj_pos">
-        <dia:point val="22.4744,26.93"/>
+        <dia:point val="22.1244,26.83"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.4244,26.88;29.2069,28.78"/>
+        <dia:rectangle val="22.0744,26.78;29.6644,28.68"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="22.4744,26.93"/>
+        <dia:point val="22.1244,26.83"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="6.6825000000000001"/>
+        <dia:real val="7.4900000000000002"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="1.8"/>
@@ -355,7 +355,7 @@ which has not generated its tasks #</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="25.8156,28.01"/>
+            <dia:point val="25.8694,27.925"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -368,16 +368,16 @@ which has not generated its tasks #</dia:string>
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O7">
       <dia:attribute name="obj_pos">
-        <dia:point val="24.8157,5.59"/>
+        <dia:point val="24.8694,5.59"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="24.7449,5.51929;26.8864,7.66071"/>
+        <dia:rectangle val="24.7987,5.51929;26.9401,7.66071"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="24.8157,5.59"/>
+        <dia:point val="24.8694,5.59"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -397,7 +397,7 @@ which has not generated its tasks #</dia:string>
         <dia:point val="9.12,16.0967"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="9.07,16.0467;20.0425,18.7467"/>
+        <dia:rectangle val="9.07,16.0467;21.41,18.7467"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
@@ -406,7 +406,7 @@ which has not generated its tasks #</dia:string>
         <dia:point val="9.12,16.0967"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="10.872499999999999"/>
+        <dia:real val="12.24"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -430,7 +430,7 @@ to the list of features to self.meths #</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="14.5562,17.1767"/>
+            <dia:point val="15.24,17.1917"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -443,16 +443,16 @@ to the list of features to self.meths #</dia:string>
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O9">
       <dia:attribute name="obj_pos">
-        <dia:point val="24.8157,22.2"/>
+        <dia:point val="24.8694,22.2"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="24.7449,22.1293;26.8864,24.2707"/>
+        <dia:rectangle val="24.7987,22.1293;26.9401,24.2707"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="24.8157,22.2"/>
+        <dia:point val="24.8694,22.2"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -472,7 +472,7 @@ to the list of features to self.meths #</dia:string>
         <dia:point val="27,4.2"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="27,3.62;30.7625,5.9375"/>
+        <dia:rectangle val="27,3.605;31.34,5.95"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -507,7 +507,7 @@ process? #</dia:string>
         <dia:point val="26.75,20.8"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="26.75,20.22;30.7275,21.7375"/>
+        <dia:rectangle val="26.75,20.205;31.255,21.75"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -538,14 +538,14 @@ is empty#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O12">
       <dia:attribute name="obj_pos">
-        <dia:point val="24.8157,6.59"/>
+        <dia:point val="24.8694,6.59"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="19.7569,6.2282;24.8657,6.9518"/>
+        <dia:rectangle val="21.1294,6.2282;24.9194,6.9518"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="24.8157,6.59"/>
-        <dia:point val="19.8687,6.59"/>
+        <dia:point val="24.8694,6.59"/>
+        <dia:point val="21.2413,6.59"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -566,14 +566,14 @@ is empty#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O13">
       <dia:attribute name="obj_pos">
-        <dia:point val="14.5562,7.89"/>
+        <dia:point val="15.24,7.89"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.1944,7.84;14.9181,10.8051"/>
+        <dia:rectangle val="14.8782,7.84;15.6018,10.8051"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="14.5562,7.89"/>
-        <dia:point val="14.5562,10.6933"/>
+        <dia:point val="15.24,7.89"/>
+        <dia:point val="15.24,10.6933"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -594,14 +594,14 @@ is empty#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O14">
       <dia:attribute name="obj_pos">
-        <dia:point val="14.5562,13.2933"/>
+        <dia:point val="15.24,13.2933"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.1944,13.2433;14.9181,16.2085"/>
+        <dia:rectangle val="14.8782,13.2433;15.6018,16.2085"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="14.5562,13.2933"/>
-        <dia:point val="14.5562,16.0967"/>
+        <dia:point val="15.24,13.2933"/>
+        <dia:point val="15.24,16.0967"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -622,14 +622,14 @@ is empty#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O15">
       <dia:attribute name="obj_pos">
-        <dia:point val="14.5562,18.6967"/>
+        <dia:point val="15.24,18.6967"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.1944,18.6467;14.9181,21.6118"/>
+        <dia:rectangle val="14.8782,18.6467;15.6018,21.6118"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="14.5562,18.6967"/>
-        <dia:point val="14.5562,21.5"/>
+        <dia:point val="15.24,18.6967"/>
+        <dia:point val="15.24,21.5"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -650,14 +650,14 @@ is empty#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O16">
       <dia:attribute name="obj_pos">
-        <dia:point val="18.6962,23.2"/>
+        <dia:point val="19.875,23.2"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="18.6462,22.8382;24.9275,23.5618"/>
+        <dia:rectangle val="19.825,22.8382;24.9812,23.5618"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="18.6962,23.2"/>
-        <dia:point val="24.8157,23.2"/>
+        <dia:point val="19.875,23.2"/>
+        <dia:point val="24.8694,23.2"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -678,13 +678,13 @@ is empty#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O17">
       <dia:attribute name="obj_pos">
-        <dia:point val="26.8157,23.2"/>
+        <dia:point val="26.8694,23.2"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="26.7657,22.8382;29.8062,23.5618"/>
+        <dia:rectangle val="26.8194,22.8382;29.8062,23.5618"/>
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       <dia:attribute name="conn_endpoints">
-        <dia:point val="26.8157,23.2"/>
+        <dia:point val="26.8694,23.2"/>
         <dia:point val="29.6944,23.2"/>
       </dia:attribute>
       <dia:attribute name="numcp">
@@ -706,15 +706,15 @@ is empty#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O18">
       <dia:attribute name="obj_pos">
-        <dia:point val="33.3894,24.5"/>
+        <dia:point val="33.8419,24.5"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="29.0451,24.45;33.4394,28.1918"/>
+        <dia:rectangle val="29.5026,24.45;33.8919,28.0918"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="33.3894,24.5"/>
-        <dia:point val="33.3894,27.83"/>
-        <dia:point val="29.1569,27.83"/>
+        <dia:point val="33.8419,24.5"/>
+        <dia:point val="33.8419,27.73"/>
+        <dia:point val="29.6144,27.73"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="1"/>
@@ -739,14 +739,14 @@ is empty#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O19">
       <dia:attribute name="obj_pos">
-        <dia:point val="25.8156,26.93"/>
+        <dia:point val="25.8694,26.83"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="25.4538,24.0882;26.1775,26.98"/>
+        <dia:rectangle val="25.5076,24.0882;26.2312,26.88"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="25.8156,26.93"/>
-        <dia:point val="25.8157,24.2"/>
+        <dia:point val="25.8694,26.83"/>
+        <dia:point val="25.8694,24.2"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -767,14 +767,14 @@ is empty#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O20">
       <dia:attribute name="obj_pos">
-        <dia:point val="26.8157,6.59"/>
+        <dia:point val="26.8694,6.59"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="26.7657,6.2282;32.7512,6.9518"/>
+        <dia:rectangle val="26.8194,6.2282;33.2037,6.9518"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="26.8157,6.59"/>
-        <dia:point val="32.6394,6.59"/>
+        <dia:point val="26.8694,6.59"/>
+        <dia:point val="33.0919,6.59"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -795,14 +795,14 @@ is empty#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O21">
       <dia:attribute name="obj_pos">
-        <dia:point val="25.8157,2.6"/>
+        <dia:point val="25.8694,2.6"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="25.4538,2.55;26.1775,5.7018"/>
+        <dia:rectangle val="25.5076,2.55;26.2312,5.7018"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="25.8157,2.6"/>
-        <dia:point val="25.8157,5.59"/>
+        <dia:point val="25.8694,2.6"/>
+        <dia:point val="25.8694,5.59"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -823,14 +823,14 @@ is empty#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O22">
       <dia:attribute name="obj_pos">
-        <dia:point val="25.8157,22.2"/>
+        <dia:point val="25.8694,22.2"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="25.4538,7.4782;26.1775,22.25"/>
+        <dia:rectangle val="25.5076,7.4782;26.2312,22.25"/>
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       <dia:attribute name="conn_endpoints">
-        <dia:point val="25.8157,22.2"/>
-        <dia:point val="25.8157,7.59"/>
+        <dia:point val="25.8694,22.2"/>
+        <dia:point val="25.8694,7.59"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -854,7 +854,7 @@ is empty#</dia:string>
         <dia:point val="23.15,7.425"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="23.15,6.845;24.145,7.5625"/>
+        <dia:rectangle val="23.15,6.83;24.2575,7.575"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -887,7 +887,7 @@ is empty#</dia:string>
         <dia:point val="28.5,7.425"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="28.5,6.845;29.21,7.5625"/>
+        <dia:rectangle val="28.5,6.83;29.2975,7.575"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -917,10 +917,10 @@ is empty#</dia:string>
     </dia:object>
     <dia:object type="Standard - Text" version="1" id="O25">
       <dia:attribute name="obj_pos">
-        <dia:point val="21.2,24.5"/>
+        <dia:point val="20.6,24.5"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="21.2,23.92;25.2825,25.4375"/>
+        <dia:rectangle val="20.6,23.905;25.195,25.45"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -935,7 +935,7 @@ to execute?#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="21.2,24.5"/>
+            <dia:point val="20.6,24.5"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -954,7 +954,7 @@ to execute?#</dia:string>
         <dia:point val="27.45,24.25"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="27.45,23.67;28.445,24.3875"/>
+        <dia:rectangle val="27.45,23.655;28.5575,24.4"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -987,7 +987,7 @@ to execute?#</dia:string>
         <dia:point val="32.7,8.55"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="32.7,7.97;33.8375,8.6875"/>
+        <dia:rectangle val="32.7,7.955;33.9175,8.7"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1017,10 +1017,10 @@ to execute?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Text" version="1" id="O28">
       <dia:attribute name="obj_pos">
-        <dia:point val="23.65,2.35"/>
+        <dia:point val="23.4,2.3"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="23.65,1.77;25,2.4875"/>
+        <dia:rectangle val="23.4,1.705;24.9625,2.45"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1034,7 +1034,7 @@ to execute?#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="23.65,2.35"/>
+            <dia:point val="23.4,2.3"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
diff --git a/docs/book/prodcons.dia b/docs/book/prodcons.dia
index 1aa9fe8a..51809f75 100644
--- a/docs/book/prodcons.dia
+++ b/docs/book/prodcons.dia
@@ -65,16 +65,16 @@
   <dia:layer name="Fondo" visible="true" active="true">
     <dia:object type="UML - State Term" version="0" id="O0">
       <dia:attribute name="obj_pos">
-        <dia:point val="33.775,6.75"/>
+        <dia:point val="33.8062,6.75"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="33.725,6.7;34.825,7.8"/>
+        <dia:rectangle val="33.7562,6.7;34.8562,7.8"/>
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       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="33.775,6.75"/>
+        <dia:point val="33.8062,6.75"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="1"/>
@@ -94,16 +94,16 @@
     </dia:object>
     <dia:object type="UML - State Term" version="0" id="O1">
       <dia:attribute name="obj_pos">
-        <dia:point val="33.5625,51.25"/>
+        <dia:point val="33.5375,51.3125"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="33.5125,51.2;35.1125,52.8"/>
+        <dia:rectangle val="33.4875,51.2625;35.0875,52.8625"/>
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       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="33.5625,51.25"/>
+        <dia:point val="33.5375,51.3125"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="1.5"/>
@@ -146,19 +146,19 @@
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O3">
       <dia:attribute name="obj_pos">
-        <dia:point val="33.1649,29.3"/>
+        <dia:point val="32.6899,29.2709"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="33.1149,29.25;39.7849,31.95"/>
+        <dia:rectangle val="32.6399,29.2209;40.2199,31.9209"/>
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       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="33.1649,29.3"/>
+        <dia:point val="32.6899,29.2709"/>
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       <dia:attribute name="elem_width">
-        <dia:real val="6.5700000000000003"/>
+        <dia:real val="7.4799999999999995"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -182,7 +182,7 @@ to the queue 'ready'#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="36.4499,30.38"/>
+            <dia:point val="36.4299,30.3659"/>
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           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -195,19 +195,19 @@ to the queue 'ready'#</dia:string>
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O4">
       <dia:attribute name="obj_pos">
-        <dia:point val="51.8362,33.6125"/>
+        <dia:point val="51.5362,33.7125"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="51.7862,33.5625;57.6112,35.4625"/>
+        <dia:rectangle val="51.4862,33.6625;57.9487,35.5625"/>
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       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="51.8362,33.6125"/>
+        <dia:point val="51.5362,33.7125"/>
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       <dia:attribute name="elem_width">
-        <dia:real val="5.7249999999999996"/>
+        <dia:real val="6.3624999999999998"/>
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       <dia:attribute name="elem_height">
         <dia:real val="1.8"/>
@@ -230,7 +230,7 @@ to the queue 'ready'#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="54.6987,34.6925"/>
+            <dia:point val="54.7174,34.8075"/>
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           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -243,16 +243,16 @@ to the queue 'ready'#</dia:string>
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O5">
       <dia:attribute name="obj_pos">
-        <dia:point val="22.0488,18.875"/>
+        <dia:point val="22.055,18.9188"/>
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-        <dia:rectangle val="21.978,18.8043;24.1195,20.9457"/>
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         <dia:composite type="dict"/>
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       <dia:attribute name="elem_corner">
-        <dia:point val="22.0488,18.875"/>
+        <dia:point val="22.055,18.9188"/>
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       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -295,7 +295,7 @@ to the queue 'ready'#</dia:string>
         <dia:point val="23.4,14.425"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="23.4,13.845;28.195,15.3625"/>
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       <dia:attribute name="text">
         <dia:composite type="text">
@@ -329,7 +329,7 @@ to the queue 'ready'#</dia:string>
         <dia:point val="45.9,14.375"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="45.9,13.795;52.825,15.3125"/>
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       <dia:attribute name="text">
         <dia:composite type="text">
@@ -360,16 +360,16 @@ to the queue 'ready'#</dia:string>
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O9">
       <dia:attribute name="obj_pos">
-        <dia:point val="44.55,33.5125"/>
+        <dia:point val="44.5906,33.6125"/>
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         <dia:composite type="dict"/>
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       <dia:attribute name="elem_corner">
-        <dia:point val="44.55,33.5125"/>
+        <dia:point val="44.5906,33.6125"/>
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@@ -389,7 +389,7 @@ to the queue 'ready'#</dia:string>
         <dia:point val="35.1,50.75"/>
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       <dia:attribute name="obj_bb">
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@@ -422,7 +422,7 @@ to the queue 'ready'#</dia:string>
         <dia:point val="46.25,31.825"/>
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       <dia:attribute name="obj_bb">
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       <dia:attribute name="text">
         <dia:composite type="text">
@@ -454,19 +454,19 @@ from the queue 'ready'
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     <dia:object type="UML - Activity" version="0" id="O12">
       <dia:attribute name="obj_pos">
-        <dia:point val="46.65,18.625"/>
+        <dia:point val="46.7,18.675"/>
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-        <dia:rectangle val="46.6,18.575;52.2825,21.275"/>
+        <dia:rectangle val="46.65,18.625;53.0075,21.325"/>
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       <dia:attribute name="meta">
         <dia:composite type="dict"/>
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       <dia:attribute name="elem_corner">
-        <dia:point val="46.65,18.625"/>
+        <dia:point val="46.7,18.675"/>
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       <dia:attribute name="elem_width">
-        <dia:real val="5.5825000000000005"/>
+        <dia:real val="6.2575000000000003"/>
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       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -490,7 +490,7 @@ the queue 'out'#</dia:string>
             <dia:real val="0.80000000000000004"/>
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           <dia:attribute name="pos">
-            <dia:point val="49.4412,19.705"/>
+            <dia:point val="49.8287,19.77"/>
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           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -506,11 +506,11 @@ the queue 'out'#</dia:string>
         <dia:point val="34.3,49.75"/>
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       <dia:attribute name="obj_bb">
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         <dia:point val="34.3,49.75"/>
-        <dia:point val="34.3125,51.25"/>
+        <dia:point val="34.2875,51.3125"/>
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       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -531,16 +531,16 @@ the queue 'out'#</dia:string>
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     <dia:object type="UML - Branch" version="0" id="O14">
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-        <dia:point val="53.6987,29.5625"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="53.628,29.4918;55.7695,31.6332"/>
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         <dia:composite type="dict"/>
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       <dia:attribute name="elem_corner">
-        <dia:point val="53.6987,29.5625"/>
+        <dia:point val="53.6987,29.5709"/>
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       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -560,7 +560,7 @@ the queue 'out'#</dia:string>
         <dia:point val="55,29.1125"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="55,28.5325;56.3475,29.25"/>
+        <dia:rectangle val="55,28.5175;56.55,29.2625"/>
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       <dia:attribute name="text">
         <dia:composite type="text">
@@ -590,14 +590,14 @@ the queue 'out'#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O16">
       <dia:attribute name="obj_pos">
-        <dia:point val="54.6987,33.6125"/>
+        <dia:point val="54.7174,33.7125"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="54.3369,31.4507;55.0606,33.6625"/>
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       <dia:attribute name="conn_endpoints">
-        <dia:point val="54.6987,33.6125"/>
-        <dia:point val="54.6987,31.5625"/>
+        <dia:point val="54.7174,33.7125"/>
+        <dia:point val="54.6987,31.5709"/>
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       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -618,19 +618,19 @@ the queue 'out'#</dia:string>
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O17">
       <dia:attribute name="obj_pos">
-        <dia:point val="51.5,23.9437"/>
+        <dia:point val="51.1,23.9187"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="51.45,23.8937;57.9475,26.5937"/>
+        <dia:rectangle val="51.05,23.8687;58.37,26.5687"/>
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       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="51.5,23.9437"/>
+        <dia:point val="51.1,23.9187"/>
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       <dia:attribute name="elem_width">
-        <dia:real val="6.3975"/>
+        <dia:real val="7.2200000000000006"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -654,7 +654,7 @@ to stop the build#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="54.6987,25.0237"/>
+            <dia:point val="54.71,25.0137"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -667,13 +667,13 @@ to stop the build#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O18">
       <dia:attribute name="obj_pos">
-        <dia:point val="45.55,35.5125"/>
+        <dia:point val="45.5906,35.6125"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="45.1882,35.4625;45.9118,49.4618"/>
+        <dia:rectangle val="45.19,35.5624;45.9136,49.4618"/>
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       <dia:attribute name="conn_endpoints">
-        <dia:point val="45.55,35.5125"/>
+        <dia:point val="45.5906,35.6125"/>
         <dia:point val="45.55,49.35"/>
       </dia:attribute>
       <dia:attribute name="numcp">
@@ -695,14 +695,14 @@ to stop the build#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O19">
       <dia:attribute name="obj_pos">
-        <dia:point val="46.55,34.5125"/>
+        <dia:point val="46.5906,34.6125"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="46.5,34.1507;51.9481,34.8743"/>
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       <dia:attribute name="conn_endpoints">
-        <dia:point val="46.55,34.5125"/>
-        <dia:point val="51.8362,34.5125"/>
+        <dia:point val="46.5906,34.6125"/>
+        <dia:point val="51.5362,34.6125"/>
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       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -723,14 +723,14 @@ to stop the build#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O20">
       <dia:attribute name="obj_pos">
-        <dia:point val="54.6987,29.5625"/>
+        <dia:point val="54.6987,29.5709"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="54.3369,26.4319;55.0606,29.6125"/>
+        <dia:rectangle val="54.3459,26.4069;55.0695,29.6211"/>
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       <dia:attribute name="conn_endpoints">
-        <dia:point val="54.6987,29.5625"/>
-        <dia:point val="54.6987,26.5437"/>
+        <dia:point val="54.6987,29.5709"/>
+        <dia:point val="54.71,26.5187"/>
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       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -754,11 +754,11 @@ to stop the build#</dia:string>
         <dia:point val="45.55,13.55"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="45.1882,13.5;45.9118,33.6243"/>
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       <dia:attribute name="conn_endpoints">
         <dia:point val="45.55,13.55"/>
-        <dia:point val="45.55,33.5125"/>
+        <dia:point val="45.5906,33.6125"/>
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       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -779,15 +779,15 @@ to stop the build#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O22">
       <dia:attribute name="obj_pos">
-        <dia:point val="46.65,19.925"/>
+        <dia:point val="46.7,19.975"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="45.1882,19.875;46.7,33.6243"/>
+        <dia:rectangle val="45.2288,19.925;46.75,33.7243"/>
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-        <dia:point val="46.65,19.925"/>
-        <dia:point val="45.55,19.925"/>
-        <dia:point val="45.55,33.5125"/>
+        <dia:point val="46.7,19.975"/>
+        <dia:point val="45.5906,19.975"/>
+        <dia:point val="45.5906,33.6125"/>
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       <dia:attribute name="orth_orient">
         <dia:enum val="0"/>
@@ -815,7 +815,7 @@ to stop the build#</dia:string>
         <dia:point val="46.1,39.95"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="46.1,39.37;50.22,40.8875"/>
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       <dia:attribute name="text">
         <dia:composite type="text">
@@ -849,7 +849,7 @@ to process#</dia:string>
         <dia:point val="52.45,30.1"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="52.45,29.52;53.125,30.2375"/>
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       <dia:attribute name="text">
         <dia:composite type="text">
@@ -882,7 +882,7 @@ to process#</dia:string>
         <dia:point val="46.95,35.5"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="46.95,34.92;50.8925,35.6375"/>
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       <dia:attribute name="text">
         <dia:composite type="text">
@@ -912,19 +912,19 @@ to process#</dia:string>
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O26">
       <dia:attribute name="obj_pos">
-        <dia:point val="31.425,9.20001"/>
+        <dia:point val="31.075,9.20001"/>
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       <dia:attribute name="obj_bb">
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       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="31.425,9.20001"/>
+        <dia:point val="31.075,9.20001"/>
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       <dia:attribute name="elem_width">
-        <dia:real val="5.7249999999999996"/>
+        <dia:real val="6.4775"/>
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       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -948,7 +948,7 @@ consumer pool#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="34.2875,10.28"/>
+            <dia:point val="34.3137,10.295"/>
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           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -961,14 +961,14 @@ consumer pool#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O27">
       <dia:attribute name="obj_pos">
-        <dia:point val="34.275,7.75"/>
+        <dia:point val="34.3062,7.75"/>
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       <dia:attribute name="obj_bb">
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       <dia:attribute name="conn_endpoints">
-        <dia:point val="34.275,7.75"/>
-        <dia:point val="34.2875,9.20001"/>
+        <dia:point val="34.3062,7.75"/>
+        <dia:point val="34.3138,9.20001"/>
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       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -989,13 +989,13 @@ consumer pool#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O28">
       <dia:attribute name="obj_pos">
-        <dia:point val="34.2875,11.8"/>
+        <dia:point val="34.3138,11.8"/>
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-        <dia:rectangle val="33.9325,11.7495;34.6561,13.2618"/>
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-        <dia:point val="34.2875,11.8"/>
+        <dia:point val="34.3138,11.8"/>
         <dia:point val="34.3,13.15"/>
       </dia:attribute>
       <dia:attribute name="numcp">
@@ -1020,11 +1020,11 @@ consumer pool#</dia:string>
         <dia:point val="23.05,13.55"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.6871,13.5;23.4107,18.9868"/>
+        <dia:rectangle val="22.6926,13.5;23.4162,19.0306"/>
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       <dia:attribute name="conn_endpoints">
         <dia:point val="23.05,13.55"/>
-        <dia:point val="23.0488,18.875"/>
+        <dia:point val="23.055,18.9188"/>
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       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -1045,16 +1045,16 @@ consumer pool#</dia:string>
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O30">
       <dia:attribute name="obj_pos">
-        <dia:point val="35.4499,24.2437"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="35.3792,24.173;37.5207,26.3144"/>
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       <dia:attribute name="elem_corner">
-        <dia:point val="35.4499,24.2437"/>
+        <dia:point val="35.4312,24.2187"/>
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       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -1074,7 +1074,7 @@ consumer pool#</dia:string>
         <dia:point val="36.725,22.825"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="36.725,22.245;37.9675,23.7625"/>
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       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1108,7 +1108,7 @@ later#</dia:string>
         <dia:point val="33.5675,28.5"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="33.5675,27.92;35.805,28.6375"/>
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       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1138,19 +1138,19 @@ later#</dia:string>
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O33">
       <dia:attribute name="obj_pos">
-        <dia:point val="25.475,33.2125"/>
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-        <dia:rectangle val="25.425,33.1625;32.6675,35.8625"/>
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         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="25.475,33.2125"/>
+        <dia:point val="25.525,33.3125"/>
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       <dia:attribute name="elem_width">
-        <dia:real val="7.1425000000000001"/>
+        <dia:real val="8.0250000000000004"/>
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         <dia:real val="2.6000000000000001"/>
@@ -1174,7 +1174,7 @@ queue 'out' (block)#</dia:string>
             <dia:real val="0.80000000000000004"/>
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           <dia:attribute name="pos">
-            <dia:point val="29.0463,34.2925"/>
+            <dia:point val="29.5375,34.4075"/>
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             <dia:color val="#000000"/>
@@ -1190,7 +1190,7 @@ queue 'out' (block)#</dia:string>
         <dia:point val="16.65,19.4625"/>
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-        <dia:rectangle val="16.65,18.8825;20.5225,21.2"/>
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@@ -1222,19 +1222,19 @@ in the queue
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O35">
       <dia:attribute name="obj_pos">
-        <dia:point val="33.6612,18.625"/>
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       <dia:attribute name="elem_corner">
-        <dia:point val="33.6612,18.625"/>
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-        <dia:real val="5.5774999999999997"/>
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         <dia:real val="2.6000000000000001"/>
@@ -1258,7 +1258,7 @@ the a list 'frozen'#</dia:string>
             <dia:real val="0.80000000000000004"/>
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           <dia:attribute name="pos">
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             <dia:color val="#000000"/>
@@ -1274,7 +1274,7 @@ the a list 'frozen'#</dia:string>
         <dia:point val="24.3,21.0625"/>
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@@ -1304,19 +1304,19 @@ the a list 'frozen'#</dia:string>
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     <dia:object type="UML - Activity" version="0" id="O37">
       <dia:attribute name="obj_pos">
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-        <dia:point val="26.3625,18.5625"/>
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-        <dia:real val="5.3674999999999997"/>
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         <dia:real val="2.6000000000000001"/>
@@ -1340,7 +1340,7 @@ the queue 'out'#</dia:string>
             <dia:real val="0.80000000000000004"/>
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           <dia:attribute name="pos">
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+            <dia:point val="29.2987,19.7138"/>
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             <dia:color val="#000000"/>
@@ -1353,16 +1353,16 @@ the queue 'out'#</dia:string>
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     <dia:object type="UML - Branch" version="0" id="O38">
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-        <dia:point val="22.0488,24.2437"/>
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+        <dia:point val="22.055,24.2187"/>
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@@ -1382,7 +1382,7 @@ the queue 'out'#</dia:string>
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@@ -1416,7 +1416,7 @@ the queue 'out'#</dia:string>
         <dia:point val="24.3,26.725"/>
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       <dia:attribute name="obj_bb">
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@@ -1446,16 +1446,16 @@ the queue 'out'#</dia:string>
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O41">
       <dia:attribute name="obj_pos">
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+        <dia:point val="22.055,29.5709"/>
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@@ -1475,7 +1475,7 @@ the queue 'out'#</dia:string>
         <dia:point val="24.3,39.575"/>
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@@ -1505,16 +1505,16 @@ the queue 'out'#</dia:string>
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O43">
       <dia:attribute name="obj_pos">
-        <dia:point val="22.0488,37.575"/>
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       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="22.0488,37.575"/>
+        <dia:point val="22.055,37.625"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -1534,7 +1534,7 @@ the queue 'out'#</dia:string>
         <dia:point val="16.65,37.025"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="16.65,36.445;21.6225,37.9625"/>
+        <dia:rectangle val="16.65,36.43;22.29,37.975"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1565,19 +1565,19 @@ the list 'frozen'?#</dia:string>
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O45">
       <dia:attribute name="obj_pos">
-        <dia:point val="32.8087,36.875"/>
+        <dia:point val="32.4087,36.925"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="32.7587,36.825;40.1412,40.325"/>
+        <dia:rectangle val="32.3587,36.875;40.8712,40.375"/>
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       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="32.8087,36.875"/>
+        <dia:point val="32.4087,36.925"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="7.2825000000000006"/>
+        <dia:real val="8.4124999999999996"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="3.4000000000000004"/>
@@ -1602,7 +1602,7 @@ to the list 'outstanding'#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="36.4499,37.955"/>
+            <dia:point val="36.615,38.02"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -1615,14 +1615,14 @@ to the list 'outstanding'#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O46">
       <dia:attribute name="obj_pos">
-        <dia:point val="23.0488,26.2437"/>
+        <dia:point val="23.055,26.2187"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.6869,26.1937;23.4106,29.7118"/>
+        <dia:rectangle val="22.6932,26.1687;23.4168,29.6827"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="23.0488,26.2437"/>
-        <dia:point val="23.0488,29.6"/>
+        <dia:point val="23.055,26.2187"/>
+        <dia:point val="23.055,29.5709"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -1643,19 +1643,19 @@ to the list 'outstanding'#</dia:string>
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O47">
       <dia:attribute name="obj_pos">
-        <dia:point val="26.3625,23.9437"/>
+        <dia:point val="26.3625,23.9187"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="26.3125,23.8937;31.78,26.5937"/>
+        <dia:rectangle val="26.3125,23.8687;32.385,26.5687"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="26.3625,23.9437"/>
+        <dia:point val="26.3625,23.9187"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="5.3674999999999997"/>
+        <dia:real val="5.9725000000000001"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -1679,7 +1679,7 @@ to the list 'outstanding'#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="29.0462,25.0237"/>
+            <dia:point val="29.3488,25.0137"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -1692,16 +1692,16 @@ to the list 'outstanding'#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O48">
       <dia:attribute name="obj_pos">
-        <dia:point val="31.73,25.2437"/>
+        <dia:point val="32.335,25.2187"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="31.73,24.8819;35.5618,25.6055"/>
+        <dia:rectangle val="32.335,24.8569;35.543,25.5805"/>
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       <dia:attribute name="orth_points">
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-        <dia:point val="31.73,25.2437"/>
-        <dia:point val="35.4499,25.2437"/>
-        <dia:point val="35.4499,25.2437"/>
+        <dia:point val="32.335,25.2187"/>
+        <dia:point val="32.335,25.2187"/>
+        <dia:point val="35.4312,25.2187"/>
+        <dia:point val="35.4312,25.2187"/>
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       <dia:attribute name="orth_orient">
         <dia:enum val="0"/>
@@ -1730,7 +1730,7 @@ to the list 'outstanding'#</dia:string>
         <dia:point val="16.65,31.25"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="16.65,30.67;21.6925,32.1875"/>
+        <dia:rectangle val="16.65,30.655;22.2475,32.2"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1764,7 +1764,7 @@ being processed?#</dia:string>
         <dia:point val="24.3,31.65"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="24.3,31.07;25.295,31.7875"/>
+        <dia:rectangle val="24.3,31.055;25.4075,31.8"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1797,7 +1797,7 @@ being processed?#</dia:string>
         <dia:point val="21.65,33.45"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="21.65,32.87;22.36,33.5875"/>
+        <dia:rectangle val="21.65,32.855;22.4475,33.6"/>
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       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1830,7 +1830,7 @@ being processed?#</dia:string>
         <dia:point val="21.65,28.1009"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="21.65,27.5209;22.36,28.2384"/>
+        <dia:rectangle val="21.65,27.5059;22.4475,28.2509"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1860,16 +1860,16 @@ being processed?#</dia:string>
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O53">
       <dia:attribute name="obj_pos">
-        <dia:point val="22.0488,45.6"/>
+        <dia:point val="22.055,45.6"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="21.978,45.5293;24.1195,47.6707"/>
+        <dia:rectangle val="21.9843,45.5293;24.1257,47.6707"/>
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       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="22.0488,45.6"/>
+        <dia:point val="22.055,45.6"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -1889,7 +1889,7 @@ being processed?#</dia:string>
         <dia:point val="16.6679,45.15"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="16.6679,44.57;21.3554,47.6875"/>
+        <dia:rectangle val="16.6679,44.555;22.1329,47.7"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1925,7 +1925,7 @@ processed?#</dia:string>
         <dia:point val="24.4,47.45"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="24.4,46.87;25.395,47.5875"/>
+        <dia:rectangle val="24.4,46.855;25.5075,47.6"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1958,7 +1958,7 @@ processed?#</dia:string>
         <dia:point val="21.65,22.8"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="21.65,22.22;22.36,22.9375"/>
+        <dia:rectangle val="21.65,22.205;22.4475,22.95"/>
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       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1988,14 +1988,14 @@ processed?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O57">
       <dia:attribute name="obj_pos">
-        <dia:point val="24.0488,25.2437"/>
+        <dia:point val="24.055,25.2187"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="23.9988,24.8819;26.4743,25.6055"/>
+        <dia:rectangle val="24.005,24.8569;26.4743,25.5805"/>
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       <dia:attribute name="conn_endpoints">
-        <dia:point val="24.0488,25.2437"/>
-        <dia:point val="26.3625,25.2437"/>
+        <dia:point val="24.055,25.2187"/>
+        <dia:point val="26.3625,25.2187"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -2016,16 +2016,16 @@ processed?#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O58">
       <dia:attribute name="obj_pos">
-        <dia:point val="36.4499,18.625"/>
+        <dia:point val="36.43,18.6187"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.6869,17.2;36.4999,18.9868"/>
+        <dia:rectangle val="22.6932,17.2;36.48,19.0306"/>
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-        <dia:point val="23.0488,18.875"/>
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+        <dia:point val="23.055,17.25"/>
+        <dia:point val="23.055,18.9188"/>
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       <dia:attribute name="orth_orient">
         <dia:enum val="1"/>
@@ -2051,13 +2051,13 @@ processed?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O59">
       <dia:attribute name="obj_pos">
-        <dia:point val="23.0488,47.6"/>
+        <dia:point val="23.055,47.6"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.6878,47.55;23.4114,49.4618"/>
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       <dia:attribute name="conn_endpoints">
-        <dia:point val="23.0488,47.6"/>
+        <dia:point val="23.055,47.6"/>
         <dia:point val="23.05,49.35"/>
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       <dia:attribute name="numcp">
@@ -2079,14 +2079,14 @@ processed?#</dia:string>
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     <dia:object type="Standard - Line" version="0" id="O60">
       <dia:attribute name="obj_pos">
-        <dia:point val="23.0488,31.6"/>
+        <dia:point val="23.055,31.5709"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.6869,31.55;23.4106,37.6868"/>
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-        <dia:point val="23.0488,31.6"/>
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+        <dia:point val="23.055,31.5709"/>
+        <dia:point val="23.055,37.625"/>
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       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -2107,15 +2107,15 @@ processed?#</dia:string>
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     <dia:object type="Standard - ZigZagLine" version="1" id="O61">
       <dia:attribute name="obj_pos">
-        <dia:point val="24.0488,30.6"/>
+        <dia:point val="24.055,30.5709"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="23.9988,30.55;29.4081,33.3243"/>
+        <dia:rectangle val="24.005,30.5209;29.8993,33.4243"/>
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-        <dia:point val="24.0488,30.6"/>
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+        <dia:point val="24.055,30.5709"/>
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+        <dia:point val="29.5375,33.3125"/>
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       <dia:attribute name="orth_orient">
         <dia:enum val="0"/>
@@ -2140,15 +2140,15 @@ processed?#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O62">
       <dia:attribute name="obj_pos">
-        <dia:point val="25.475,34.5125"/>
+        <dia:point val="25.525,34.6125"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.6869,34.4625;25.525,37.6868"/>
+        <dia:rectangle val="22.6932,34.5625;25.575,37.7368"/>
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+        <dia:point val="23.055,37.625"/>
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       <dia:attribute name="orth_orient">
         <dia:enum val="0"/>
@@ -2173,15 +2173,15 @@ processed?#</dia:string>
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     <dia:object type="Standard - ZigZagLine" version="1" id="O63">
       <dia:attribute name="obj_pos">
-        <dia:point val="53.6987,30.5625"/>
+        <dia:point val="53.6987,30.5709"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="49.0794,21.1132;53.7487,30.6125"/>
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-        <dia:point val="53.6987,30.5625"/>
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+        <dia:point val="53.6987,30.5709"/>
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+        <dia:point val="49.8287,21.275"/>
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@@ -2206,15 +2206,15 @@ processed?#</dia:string>
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     <dia:object type="Standard - ZigZagLine" version="1" id="O64">
       <dia:attribute name="obj_pos">
-        <dia:point val="54.6987,23.9437"/>
+        <dia:point val="54.71,23.9187"/>
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-        <dia:rectangle val="52.1207,19.5632;54.7487,23.9937"/>
+        <dia:rectangle val="52.8457,19.6132;54.76,23.9687"/>
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-        <dia:point val="54.6987,23.9437"/>
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+        <dia:point val="52.9575,19.975"/>
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       <dia:attribute name="orth_orient">
         <dia:enum val="1"/>
@@ -2239,14 +2239,14 @@ processed?#</dia:string>
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     <dia:object type="Standard - Line" version="0" id="O65">
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@@ -2267,21 +2267,21 @@ processed?#</dia:string>
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         <dia:enum val="0"/>
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       <dia:attribute name="autorouting">
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@@ -2302,17 +2302,17 @@ processed?#</dia:string>
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@@ -2339,17 +2339,17 @@ processed?#</dia:string>
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@@ -2376,14 +2376,14 @@ processed?#</dia:string>
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@@ -2407,7 +2407,7 @@ processed?#</dia:string>
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         <dia:composite type="text">
@@ -2437,17 +2437,17 @@ processed?#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O71">
       <dia:attribute name="obj_pos">
-        <dia:point val="37.4499,25.2437"/>
+        <dia:point val="37.4312,25.2187"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.6869,17.2;40.85,25.2937"/>
+        <dia:rectangle val="22.6932,17.2;40.85,25.2687"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="37.4499,25.2437"/>
-        <dia:point val="40.8,25.2437"/>
+        <dia:point val="37.4312,25.2187"/>
+        <dia:point val="40.8,25.2187"/>
         <dia:point val="40.8,17.25"/>
-        <dia:point val="23.0488,17.25"/>
-        <dia:point val="23.0488,18.875"/>
+        <dia:point val="23.055,17.25"/>
+        <dia:point val="23.055,18.9188"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="0"/>
@@ -2474,14 +2474,14 @@ processed?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O72">
       <dia:attribute name="obj_pos">
-        <dia:point val="23.0488,20.875"/>
+        <dia:point val="23.055,20.9188"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.6869,20.825;23.4106,24.3555"/>
+        <dia:rectangle val="22.6932,20.8688;23.4168,24.3305"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="23.0488,20.875"/>
-        <dia:point val="23.0488,24.2437"/>
+        <dia:point val="23.055,20.9188"/>
+        <dia:point val="23.055,24.2187"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -2502,14 +2502,14 @@ processed?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O73">
       <dia:attribute name="obj_pos">
-        <dia:point val="24.0488,19.875"/>
+        <dia:point val="24.055,19.9188"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="23.9985,19.504;26.4743,20.2276"/>
+        <dia:rectangle val="24.005,19.5569;26.4243,20.2806"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="24.0488,19.875"/>
-        <dia:point val="26.3625,19.8625"/>
+        <dia:point val="24.055,19.9188"/>
+        <dia:point val="26.3125,19.9188"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -2530,16 +2530,16 @@ processed?#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O74">
       <dia:attribute name="obj_pos">
-        <dia:point val="29.0462,18.5625"/>
+        <dia:point val="29.2987,18.6188"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.6869,17.2;29.0962,18.9868"/>
+        <dia:rectangle val="22.6932,17.2;29.3487,19.0306"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="29.0462,18.5625"/>
-        <dia:point val="29.0462,17.25"/>
-        <dia:point val="23.0488,17.25"/>
-        <dia:point val="23.0488,18.875"/>
+        <dia:point val="29.2987,18.6188"/>
+        <dia:point val="29.2987,17.25"/>
+        <dia:point val="23.055,17.25"/>
+        <dia:point val="23.055,18.9188"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="1"/>
@@ -2565,19 +2565,19 @@ processed?#</dia:string>
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O75">
       <dia:attribute name="obj_pos">
-        <dia:point val="18.2,41.4509"/>
+        <dia:point val="17.45,41.3509"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="18.15,41.4009;27.9475,44.1009"/>
+        <dia:rectangle val="17.4,41.3009;28.71,44.0009"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="18.2,41.4509"/>
+        <dia:point val="17.45,41.3509"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="9.6974999999999998"/>
+        <dia:real val="11.209999999999999"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -2601,7 +2601,7 @@ build context (list 'outstanding')#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="23.0488,42.5309"/>
+            <dia:point val="23.055,42.4459"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -2614,14 +2614,14 @@ build context (list 'outstanding')#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O76">
       <dia:attribute name="obj_pos">
-        <dia:point val="23.0488,39.575"/>
+        <dia:point val="23.055,39.625"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.6869,39.525;23.4106,41.5627"/>
+        <dia:rectangle val="22.6932,39.575;23.4168,41.4627"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="23.0488,39.575"/>
-        <dia:point val="23.0488,41.4509"/>
+        <dia:point val="23.055,39.625"/>
+        <dia:point val="23.055,41.3509"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -2642,14 +2642,14 @@ build context (list 'outstanding')#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O77">
       <dia:attribute name="obj_pos">
-        <dia:point val="23.0488,44.0509"/>
+        <dia:point val="23.055,43.9509"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.6869,44.0009;23.4106,45.7118"/>
+        <dia:rectangle val="22.6932,43.9009;23.4168,45.7118"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="23.0488,44.0509"/>
-        <dia:point val="23.0488,45.6"/>
+        <dia:point val="23.055,43.9509"/>
+        <dia:point val="23.055,45.6"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -2673,7 +2673,7 @@ build context (list 'outstanding')#</dia:string>
         <dia:point val="33.8,23.7009"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="33.8,23.1209;35.86,24.6384"/>
+        <dia:rectangle val="33.8,23.1059;36.1025,24.6509"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -2704,17 +2704,17 @@ status?#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O79">
       <dia:attribute name="obj_pos">
-        <dia:point val="40.0912,38.575"/>
+        <dia:point val="40.8212,38.625"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.6869,17.2;42.7201,38.625"/>
+        <dia:rectangle val="22.6932,17.2;42.7201,38.675"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="40.0912,38.575"/>
-        <dia:point val="42.6701,38.575"/>
+        <dia:point val="40.8212,38.625"/>
+        <dia:point val="42.6701,38.625"/>
         <dia:point val="42.6701,17.25"/>
-        <dia:point val="23.0488,17.25"/>
-        <dia:point val="23.0488,18.875"/>
+        <dia:point val="23.055,17.25"/>
+        <dia:point val="23.055,18.9188"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="0"/>
@@ -2744,7 +2744,7 @@ status?#</dia:string>
         <dia:point val="21.65,40.4509"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="21.65,39.8709;22.36,40.5884"/>
+        <dia:rectangle val="21.65,39.8559;22.4475,40.6009"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -2777,7 +2777,7 @@ status?#</dia:string>
         <dia:point val="21.75,48.1509"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="21.75,47.5709;22.46,48.2884"/>
+        <dia:rectangle val="21.75,47.5559;22.5475,48.3009"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -2810,7 +2810,7 @@ status?#</dia:string>
         <dia:point val="31.8,7.45"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="31.8,6.87;33.15,7.5875"/>
+        <dia:rectangle val="31.8,6.855;33.3625,7.6"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -2843,7 +2843,7 @@ status?#</dia:string>
         <dia:point val="35.75,52.0875"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="35.75,51.5075;36.8875,52.225"/>
+        <dia:rectangle val="35.75,51.4925;36.9675,52.2375"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
diff --git a/docs/book/source.dia b/docs/book/source.dia
index 5f43145f..f41db712 100644
--- a/docs/book/source.dia
+++ b/docs/book/source.dia
@@ -65,16 +65,16 @@
   <dia:layer name="Fondo" visible="true" active="true">
     <dia:object type="UML - State Term" version="0" id="O0">
       <dia:attribute name="obj_pos">
-        <dia:point val="14.6237,1.75"/>
+        <dia:point val="15.0649,1.75"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.5737,1.7;15.6737,2.8"/>
+        <dia:rectangle val="15.0149,1.7;16.115,2.8"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="14.6237,1.75"/>
+        <dia:point val="15.0649,1.75"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="1"/>
@@ -123,16 +123,16 @@
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O2">
       <dia:attribute name="obj_pos">
-        <dia:point val="14.1237,5.525"/>
+        <dia:point val="14.5649,5.525"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.053,5.45429;16.1944,7.59571"/>
+        <dia:rectangle val="14.4942,5.45429;16.6357,7.59571"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="14.1237,5.525"/>
+        <dia:point val="14.5649,5.525"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -149,16 +149,16 @@
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O3">
       <dia:attribute name="obj_pos">
-        <dia:point val="14.1237,14.6"/>
+        <dia:point val="14.5649,14.6"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.053,14.5293;16.1944,16.6707"/>
+        <dia:rectangle val="14.4942,14.5293;16.6357,16.6707"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="14.1237,14.6"/>
+        <dia:point val="14.5649,14.6"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -178,7 +178,7 @@
         <dia:point val="11.5462,9.85"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="11.4962,9.8;18.7512,12.5"/>
+        <dia:rectangle val="11.4962,9.8;19.6337,12.5"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
@@ -187,7 +187,7 @@
         <dia:point val="11.5462,9.85"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="7.1549999999999994"/>
+        <dia:real val="8.0374999999999996"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -211,7 +211,7 @@ a Node object#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="15.1237,10.93"/>
+            <dia:point val="15.565,10.945"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -224,14 +224,14 @@ a Node object#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O5">
       <dia:attribute name="obj_pos">
-        <dia:point val="15.1237,2.75"/>
+        <dia:point val="15.5649,2.75"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.7619,2.7;15.4855,5.6368"/>
+        <dia:rectangle val="15.2031,2.7;15.9268,5.6368"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="15.1237,2.75"/>
-        <dia:point val="15.1237,5.525"/>
+        <dia:point val="15.5649,2.75"/>
+        <dia:point val="15.5649,5.525"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -252,13 +252,13 @@ a Node object#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O6">
       <dia:attribute name="obj_pos">
-        <dia:point val="16.1237,6.525"/>
+        <dia:point val="16.5649,6.525"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="16.0737,6.1632;21.6118,6.8868"/>
+        <dia:rectangle val="16.5149,6.1632;21.6118,6.8868"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="16.1237,6.525"/>
+        <dia:point val="16.5649,6.525"/>
         <dia:point val="21.5,6.525"/>
       </dia:attribute>
       <dia:attribute name="numcp">
@@ -280,14 +280,14 @@ a Node object#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O7">
       <dia:attribute name="obj_pos">
-        <dia:point val="15.1237,7.525"/>
+        <dia:point val="15.5649,7.525"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.7619,7.475;15.4855,9.9618"/>
+        <dia:rectangle val="15.2031,7.475;15.9268,9.9618"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="15.1237,7.525"/>
-        <dia:point val="15.1237,9.85"/>
+        <dia:point val="15.5649,7.525"/>
+        <dia:point val="15.565,9.85"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -311,7 +311,7 @@ a Node object#</dia:string>
         <dia:point val="2,9.45"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="1.95,9.4;9.0525,12.9"/>
+        <dia:rectangle val="1.95,9.4;9.8875,12.9"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
@@ -320,7 +320,7 @@ a Node object#</dia:string>
         <dia:point val="2,9.45"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="7.0024999999999995"/>
+        <dia:real val="7.8375000000000004"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="3.4000000000000004"/>
@@ -345,7 +345,7 @@ as parameter#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="5.50125,10.53"/>
+            <dia:point val="5.91875,10.545"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -358,14 +358,14 @@ as parameter#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O9">
       <dia:attribute name="obj_pos">
-        <dia:point val="15.1237,12.45"/>
+        <dia:point val="15.565,12.45"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.7619,12.4;15.4855,14.7118"/>
+        <dia:rectangle val="15.2031,12.4;15.9268,14.7118"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="15.1237,12.45"/>
-        <dia:point val="15.1237,14.6"/>
+        <dia:point val="15.565,12.45"/>
+        <dia:point val="15.5649,14.6"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -386,19 +386,19 @@ as parameter#</dia:string>
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O10">
       <dia:attribute name="obj_pos">
-        <dia:point val="12.725,19.775"/>
+        <dia:point val="12.9087,19.775"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="12.675,19.725;17.5725,22.425"/>
+        <dia:rectangle val="12.8587,19.725;18.2712,22.425"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="12.725,19.775"/>
+        <dia:point val="12.9087,19.775"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="4.7975000000000003"/>
+        <dia:real val="5.3125"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -422,7 +422,7 @@ raise an error#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="15.1237,20.855"/>
+            <dia:point val="15.5649,20.87"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -435,15 +435,15 @@ raise an error#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O11">
       <dia:attribute name="obj_pos">
-        <dia:point val="5.50125,9.45"/>
+        <dia:point val="5.91875,9.45"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="5.45125,6.1632;14.2355,9.5"/>
+        <dia:rectangle val="5.86875,6.1632;14.6768,9.5"/>
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       <dia:attribute name="orth_points">
-        <dia:point val="5.50125,9.45"/>
-        <dia:point val="5.50125,6.525"/>
-        <dia:point val="14.1237,6.525"/>
+        <dia:point val="5.91875,9.45"/>
+        <dia:point val="5.91875,6.525"/>
+        <dia:point val="14.5649,6.525"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="1"/>
@@ -468,16 +468,16 @@ raise an error#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O12">
       <dia:attribute name="obj_pos">
-        <dia:point val="15.1237,16.6"/>
+        <dia:point val="15.5649,16.6"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.5119,16.6;15.2355,20.1368"/>
+        <dia:rectangle val="14.9531,16.6;15.6768,20.1368"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="15.1237,16.6"/>
-        <dia:point val="15.1237,16.6"/>
-        <dia:point val="15.1237,19.775"/>
-        <dia:point val="15.1237,19.775"/>
+        <dia:point val="15.5649,16.6"/>
+        <dia:point val="15.5649,16.6"/>
+        <dia:point val="15.5649,19.775"/>
+        <dia:point val="15.5649,19.775"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="0"/>
@@ -503,15 +503,15 @@ raise an error#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O13">
       <dia:attribute name="obj_pos">
-        <dia:point val="14.1237,15.6"/>
+        <dia:point val="14.5649,15.6"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="5.13945,12.7382;14.1737,15.65"/>
+        <dia:rectangle val="5.55695,12.7382;14.615,15.65"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="14.1237,15.6"/>
-        <dia:point val="5.50125,15.6"/>
-        <dia:point val="5.50125,12.85"/>
+        <dia:point val="14.5649,15.6"/>
+        <dia:point val="5.91875,15.6"/>
+        <dia:point val="5.91875,12.85"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="0"/>
@@ -539,7 +539,7 @@ raise an error#</dia:string>
         <dia:point val="16.2,13.85"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="16.2,13.27;19.5375,14.7875"/>
+        <dia:rectangle val="16.2,13.255;19.955,14.8"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -573,7 +573,7 @@ a mapping?#</dia:string>
         <dia:point val="21.55,5.3"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="21.55,4.72;22.6875,5.4375"/>
+        <dia:rectangle val="21.55,4.705;22.7675,5.45"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -606,7 +606,7 @@ a mapping?#</dia:string>
         <dia:point val="12.55,2.5"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="12.55,1.92;13.9,2.6375"/>
+        <dia:rectangle val="12.55,1.905;14.1125,2.65"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -639,7 +639,7 @@ a mapping?#</dia:string>
         <dia:point val="9.5,4.95"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="9.5,4.37;13.62,5.8875"/>
+        <dia:rectangle val="9.5,4.355;14.035,5.9"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -673,7 +673,7 @@ in self.source?#</dia:string>
         <dia:point val="13.7,8.4"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="13.7,7.82;14.8725,8.5375"/>
+        <dia:rectangle val="13.7,7.805;15.01,8.55"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -706,7 +706,7 @@ in self.source?#</dia:string>
         <dia:point val="16.35,5.95"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="16.35,5.37;17.06,6.0875"/>
+        <dia:rectangle val="16.35,5.355;17.1475,6.1"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -739,7 +739,7 @@ in self.source?#</dia:string>
         <dia:point val="12.85,15"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="12.85,14.42;14.0225,15.1375"/>
+        <dia:rectangle val="12.85,14.405;14.16,15.15"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -772,7 +772,7 @@ in self.source?#</dia:string>
         <dia:point val="15.7,17.2"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="15.7,16.62;16.41,17.3375"/>
+        <dia:rectangle val="15.7,16.605;16.4975,17.35"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -802,13 +802,13 @@ in self.source?#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O22">
       <dia:attribute name="obj_pos">
-        <dia:point val="17.5225,21.075"/>
+        <dia:point val="18.2212,21.075"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="17.4725,7.1632;22.6118,21.125"/>
+        <dia:rectangle val="18.1712,7.1632;22.6118,21.125"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="17.5225,21.075"/>
+        <dia:point val="18.2212,21.075"/>
         <dia:point val="22.25,21.075"/>
         <dia:point val="22.25,7.275"/>
       </dia:attribute>
diff --git a/docs/book/task_run.dia b/docs/book/task_run.dia
index 98fd6761..07e38edf 100644
--- a/docs/book/task_run.dia
+++ b/docs/book/task_run.dia
@@ -65,16 +65,16 @@
   <dia:layer name="Fondo" visible="true" active="true">
     <dia:object type="UML - State Term" version="0" id="O0">
       <dia:attribute name="obj_pos">
-        <dia:point val="15.07,-6.75"/>
+        <dia:point val="15.4688,-6.75"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="15.02,-6.8;16.12,-5.7"/>
+        <dia:rectangle val="15.4187,-6.8;16.5188,-5.7"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="15.07,-6.75"/>
+        <dia:point val="15.4688,-6.75"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="1"/>
@@ -94,16 +94,16 @@
     </dia:object>
     <dia:object type="UML - State Term" version="0" id="O1">
       <dia:attribute name="obj_pos">
-        <dia:point val="14.82,11.3859"/>
+        <dia:point val="15.2188,11.3859"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.77,11.3359;16.37,12.9359"/>
+        <dia:rectangle val="15.1687,11.3359;16.7688,12.9359"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="14.82,11.3859"/>
+        <dia:point val="15.2188,11.3859"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="1.5"/>
@@ -121,67 +121,18 @@
         <dia:boolean val="true"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="UML - Activity" version="0" id="O2">
+    <dia:object type="UML - Branch" version="0" id="O2">
       <dia:attribute name="obj_pos">
-        <dia:point val="20.3012,0.89343"/>
+        <dia:point val="22.4825,6.7217"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="20.2512,0.84343;26.0762,3.54343"/>
+        <dia:rectangle val="22.4117,6.65099;24.5532,8.79241"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="20.3012,0.89343"/>
-      </dia:attribute>
-      <dia:attribute name="elem_width">
-        <dia:real val="5.7249999999999996"/>
-      </dia:attribute>
-      <dia:attribute name="elem_height">
-        <dia:real val="2.6000000000000001"/>
-      </dia:attribute>
-      <dia:attribute name="line_colour">
-        <dia:color val="#000000"/>
-      </dia:attribute>
-      <dia:attribute name="fill_colour">
-        <dia:color val="#fffea6"/>
-      </dia:attribute>
-      <dia:attribute name="text">
-        <dia:composite type="text">
-          <dia:attribute name="string">
-            <dia:string>#Execute the task
-(method run)#</dia:string>
-          </dia:attribute>
-          <dia:attribute name="font">
-            <dia:font family="sans" style="0" name="Helvetica"/>
-          </dia:attribute>
-          <dia:attribute name="height">
-            <dia:real val="0.80000000000000004"/>
-          </dia:attribute>
-          <dia:attribute name="pos">
-            <dia:point val="23.1637,1.97343"/>
-          </dia:attribute>
-          <dia:attribute name="color">
-            <dia:color val="#000000"/>
-          </dia:attribute>
-          <dia:attribute name="alignment">
-            <dia:enum val="1"/>
-          </dia:attribute>
-        </dia:composite>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="UML - Branch" version="0" id="O3">
-      <dia:attribute name="obj_pos">
-        <dia:point val="22.1637,6.7217"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.093,6.65099;24.2344,8.79241"/>
-      </dia:attribute>
-      <dia:attribute name="meta">
-        <dia:composite type="dict"/>
-      </dia:attribute>
-      <dia:attribute name="elem_corner">
-        <dia:point val="22.1637,6.7217"/>
+        <dia:point val="22.4825,6.7217"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -196,12 +147,12 @@
         <dia:color val="#aef9a5"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="UML - Activity" version="0" id="O4">
+    <dia:object type="UML - Activity" version="0" id="O3">
       <dia:attribute name="obj_pos">
         <dia:point val="27.8,6.4217"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="27.75,6.3717;36.2025,9.0717"/>
+        <dia:rectangle val="27.75,6.3717;37.155,9.0717"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
@@ -210,7 +161,7 @@
         <dia:point val="27.8,6.4217"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="8.3525000000000009"/>
+        <dia:real val="9.3049999999999997"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -234,7 +185,7 @@
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="31.9763,7.5017"/>
+            <dia:point val="32.4525,7.5167"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -245,18 +196,18 @@
         </dia:composite>
       </dia:attribute>
     </dia:object>
-    <dia:object type="UML - Branch" version="0" id="O5">
+    <dia:object type="UML - Branch" version="0" id="O4">
       <dia:attribute name="obj_pos">
-        <dia:point val="30.9763,11.1359"/>
+        <dia:point val="31.4525,11.1359"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="30.9056,11.0652;33.047,13.2066"/>
+        <dia:rectangle val="31.3818,11.0652;33.5232,13.2066"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="30.9763,11.1359"/>
+        <dia:point val="31.4525,11.1359"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -271,12 +222,12 @@
         <dia:color val="#aef9a5"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="Standard - Text" version="1" id="O6">
+    <dia:object type="Standard - Text" version="1" id="O5">
       <dia:attribute name="obj_pos">
-        <dia:point val="18.55,7.15"/>
+        <dia:point val="18.5,7.3"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="18.55,6.57;22.25,7.2875"/>
+        <dia:rectangle val="18.5,6.705;22.1,7.45"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -290,7 +241,7 @@
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="18.55,7.15"/>
+            <dia:point val="18.5,7.3"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -304,16 +255,16 @@
         <dia:enum val="3"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="Standard - Line" version="0" id="O7">
+    <dia:object type="Standard - Line" version="0" id="O6">
       <dia:attribute name="obj_pos">
-        <dia:point val="15.57,-5.75"/>
+        <dia:point val="15.9688,-5.75"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="15.2082,-5.8;15.9318,-3.4982"/>
+        <dia:rectangle val="15.6069,-5.8;16.3306,-3.4982"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="15.57,-5.75"/>
-        <dia:point val="15.57,-3.61"/>
+        <dia:point val="15.9688,-5.75"/>
+        <dia:point val="15.9688,-3.61"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -329,19 +280,47 @@
       </dia:attribute>
       <dia:connections>
         <dia:connection handle="0" to="O0" connection="6"/>
-        <dia:connection handle="1" to="O14" connection="1"/>
+        <dia:connection handle="1" to="O13" connection="1"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O7">
+      <dia:attribute name="obj_pos">
+        <dia:point val="23.4825,3.49343"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="23.1206,3.44343;23.8443,6.8335"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="23.4825,3.49343"/>
+        <dia:point val="23.4825,6.7217"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="22"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow_length">
+        <dia:real val="0.5"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow_width">
+        <dia:real val="0.5"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O30" connection="6"/>
+        <dia:connection handle="1" to="O2" connection="1"/>
       </dia:connections>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O8">
       <dia:attribute name="obj_pos">
-        <dia:point val="23.1637,3.49343"/>
+        <dia:point val="32.4525,9.0217"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.8019,3.44343;23.5255,6.8335"/>
+        <dia:rectangle val="32.0907,8.9717;32.8143,11.2477"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="23.1637,3.49343"/>
-        <dia:point val="23.1637,6.7217"/>
+        <dia:point val="32.4525,9.0217"/>
+        <dia:point val="32.4525,11.1359"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -356,47 +335,19 @@
         <dia:real val="0.5"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O2" connection="6"/>
-        <dia:connection handle="1" to="O3" connection="1"/>
+        <dia:connection handle="0" to="O3" connection="6"/>
+        <dia:connection handle="1" to="O4" connection="1"/>
       </dia:connections>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O9">
       <dia:attribute name="obj_pos">
-        <dia:point val="31.9763,9.0217"/>
+        <dia:point val="24.4825,7.7217"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="31.6145,8.9717;32.3381,11.2477"/>
+        <dia:rectangle val="24.4324,7.3599;27.9118,8.0835"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="31.9763,9.0217"/>
-        <dia:point val="31.9763,11.1359"/>
-      </dia:attribute>
-      <dia:attribute name="numcp">
-        <dia:int val="1"/>
-      </dia:attribute>
-      <dia:attribute name="end_arrow">
-        <dia:enum val="22"/>
-      </dia:attribute>
-      <dia:attribute name="end_arrow_length">
-        <dia:real val="0.5"/>
-      </dia:attribute>
-      <dia:attribute name="end_arrow_width">
-        <dia:real val="0.5"/>
-      </dia:attribute>
-      <dia:connections>
-        <dia:connection handle="0" to="O4" connection="6"/>
-        <dia:connection handle="1" to="O5" connection="1"/>
-      </dia:connections>
-    </dia:object>
-    <dia:object type="Standard - Line" version="0" id="O10">
-      <dia:attribute name="obj_pos">
-        <dia:point val="24.1637,7.7217"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="24.1137,7.3599;27.9118,8.0835"/>
-      </dia:attribute>
-      <dia:attribute name="conn_endpoints">
-        <dia:point val="24.1637,7.7217"/>
+        <dia:point val="24.4825,7.7217"/>
         <dia:point val="27.8,7.7217"/>
       </dia:attribute>
       <dia:attribute name="numcp">
@@ -412,16 +363,16 @@
         <dia:real val="0.5"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O3" connection="2"/>
-        <dia:connection handle="1" to="O4" connection="3"/>
+        <dia:connection handle="0" to="O2" connection="2"/>
+        <dia:connection handle="1" to="O3" connection="3"/>
       </dia:connections>
     </dia:object>
-    <dia:object type="Standard - Text" version="1" id="O11">
+    <dia:object type="Standard - Text" version="1" id="O10">
       <dia:attribute name="obj_pos">
-        <dia:point val="27.85,14.75"/>
+        <dia:point val="27.7,14.75"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="27.85,14.17;30.9475,14.8875"/>
+        <dia:rectangle val="27.7,14.155;30.69,14.9"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -435,7 +386,7 @@
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="27.85,14.75"/>
+            <dia:point val="27.7,14.75"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -449,12 +400,12 @@
         <dia:enum val="3"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="Standard - Text" version="1" id="O12">
+    <dia:object type="Standard - Text" version="1" id="O11">
       <dia:attribute name="obj_pos">
         <dia:point val="13.15,-6"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="13.15,-6.58;14.5,-5.8625"/>
+        <dia:rectangle val="13.15,-6.595;14.7125,-5.85"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -482,12 +433,12 @@
         <dia:enum val="3"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="Standard - Text" version="1" id="O13">
+    <dia:object type="Standard - Text" version="1" id="O12">
       <dia:attribute name="obj_pos">
         <dia:point val="13.1,12.35"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="13.1,11.77;14.2375,12.4875"/>
+        <dia:rectangle val="13.1,11.755;14.3175,12.5"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -515,12 +466,12 @@
         <dia:enum val="3"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="UML - Activity" version="0" id="O14">
+    <dia:object type="UML - Activity" version="0" id="O13">
       <dia:attribute name="obj_pos">
         <dia:point val="12.3,-3.61"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="12.25,-3.66;18.89,-0.96"/>
+        <dia:rectangle val="12.25,-3.66;19.6875,-0.96"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
@@ -529,7 +480,7 @@
         <dia:point val="12.3,-3.61"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="6.54"/>
+        <dia:real val="7.3375000000000004"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -553,7 +504,7 @@
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="15.57,-2.53"/>
+            <dia:point val="15.9688,-2.515"/>
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           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -564,42 +515,16 @@
         </dia:composite>
       </dia:attribute>
     </dia:object>
-    <dia:object type="UML - Branch" version="0" id="O15">
+    <dia:object type="Standard - Line" version="0" id="O14">
       <dia:attribute name="obj_pos">
-        <dia:point val="14.57,1.19343"/>
+        <dia:point val="15.9688,-1.01"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.4993,1.12272;16.6407,3.26414"/>
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-      <dia:attribute name="meta">
-        <dia:composite type="dict"/>
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-        <dia:point val="14.57,1.19343"/>
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-      <dia:attribute name="elem_width">
-        <dia:real val="2"/>
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-      <dia:attribute name="elem_height">
-        <dia:real val="2"/>
-      </dia:attribute>
-      <dia:attribute name="line_colour">
-        <dia:color val="#000000"/>
-      </dia:attribute>
-      <dia:attribute name="fill_colour">
-        <dia:color val="#aef9a5"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - Line" version="0" id="O16">
-      <dia:attribute name="obj_pos">
-        <dia:point val="15.57,-1.01"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="15.2082,-1.06;15.9318,1.30523"/>
+        <dia:rectangle val="15.6069,-1.06;16.3306,1.30523"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="15.57,-1.01"/>
-        <dia:point val="15.57,1.19343"/>
+        <dia:point val="15.9688,-1.01"/>
+        <dia:point val="15.9688,1.19343"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -614,19 +539,19 @@
         <dia:real val="0.5"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O14" connection="6"/>
-        <dia:connection handle="1" to="O15" connection="1"/>
+        <dia:connection handle="0" to="O13" connection="6"/>
+        <dia:connection handle="1" to="O31" connection="1"/>
       </dia:connections>
     </dia:object>
-    <dia:object type="Standard - ZigZagLine" version="1" id="O17">
+    <dia:object type="Standard - ZigZagLine" version="1" id="O15">
       <dia:attribute name="obj_pos">
-        <dia:point val="14.57,2.19343"/>
+        <dia:point val="14.9688,2.19343"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="10.05,-2.6718;14.62,2.24343"/>
+        <dia:rectangle val="10.05,-2.6718;15.0188,2.24343"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="14.57,2.19343"/>
+        <dia:point val="14.9688,2.19343"/>
         <dia:point val="10.1,2.19343"/>
         <dia:point val="10.1,-2.31"/>
         <dia:point val="12.3,-2.31"/>
@@ -649,16 +574,16 @@
         <dia:real val="0.5"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O15" connection="0"/>
-        <dia:connection handle="1" to="O14" connection="3"/>
+        <dia:connection handle="0" to="O31" connection="0"/>
+        <dia:connection handle="1" to="O13" connection="3"/>
       </dia:connections>
     </dia:object>
-    <dia:object type="Standard - Text" version="1" id="O18">
+    <dia:object type="Standard - Text" version="1" id="O16">
       <dia:attribute name="obj_pos">
         <dia:point val="10.6,1.6"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="10.6,1.02;14.2525,1.7375"/>
+        <dia:rectangle val="10.6,1.005;14.185,1.75"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -692,12 +617,12 @@
         <dia:boolean val="true"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="Standard - Text" version="1" id="O19">
+    <dia:object type="Standard - Text" version="1" id="O17">
       <dia:attribute name="obj_pos">
         <dia:point val="16.6,1.6"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="16.6,1.02;19.3025,1.7375"/>
+        <dia:rectangle val="16.6,1.005;19.27,1.75"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -731,15 +656,15 @@
         <dia:boolean val="true"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="Standard - Line" version="0" id="O20">
+    <dia:object type="Standard - Line" version="0" id="O18">
       <dia:attribute name="obj_pos">
-        <dia:point val="16.57,2.19343"/>
+        <dia:point val="16.9688,2.19343"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="16.52,1.83163;20.413,2.55523"/>
+        <dia:rectangle val="16.9187,1.83163;20.413,2.55523"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="16.57,2.19343"/>
+        <dia:point val="16.9688,2.19343"/>
         <dia:point val="20.3012,2.19343"/>
       </dia:attribute>
       <dia:attribute name="numcp">
@@ -755,20 +680,20 @@
         <dia:real val="0.5"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O15" connection="2"/>
-        <dia:connection handle="1" to="O2" connection="3"/>
+        <dia:connection handle="0" to="O31" connection="2"/>
+        <dia:connection handle="1" to="O30" connection="3"/>
       </dia:connections>
     </dia:object>
-    <dia:object type="Standard - Line" version="0" id="O21">
+    <dia:object type="Standard - Line" version="0" id="O19">
       <dia:attribute name="obj_pos">
-        <dia:point val="15.57,3.19343"/>
+        <dia:point val="15.9688,3.19343"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="15.2082,3.14343;15.9318,11.4977"/>
+        <dia:rectangle val="15.6069,3.14343;16.3306,11.4977"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="15.57,3.19343"/>
-        <dia:point val="15.57,11.3859"/>
+        <dia:point val="15.9688,3.19343"/>
+        <dia:point val="15.9688,11.3859"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -783,16 +708,16 @@
         <dia:real val="0.5"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O15" connection="3"/>
+        <dia:connection handle="0" to="O31" connection="3"/>
         <dia:connection handle="1" to="O1" connection="1"/>
       </dia:connections>
     </dia:object>
-    <dia:object type="Standard - Text" version="1" id="O22">
+    <dia:object type="Standard - Text" version="1" id="O20">
       <dia:attribute name="obj_pos">
         <dia:point val="12.3,4.05"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="12.3,3.47;15.075,4.1875"/>
+        <dia:rectangle val="12.3,3.455;14.98,4.2"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -826,18 +751,18 @@
         <dia:boolean val="true"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="Standard - ZigZagLine" version="1" id="O23">
+    <dia:object type="Standard - ZigZagLine" version="1" id="O21">
       <dia:attribute name="obj_pos">
-        <dia:point val="30.9763,12.1359"/>
+        <dia:point val="31.4525,12.1359"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="16.2082,11.7741;31.0263,12.4977"/>
+        <dia:rectangle val="16.6069,11.7741;31.5025,12.4977"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="30.9763,12.1359"/>
+        <dia:point val="31.4525,12.1359"/>
         <dia:point val="24.8,12.1359"/>
         <dia:point val="24.8,12.1359"/>
-        <dia:point val="16.32,12.1359"/>
+        <dia:point val="16.7188,12.1359"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="0"/>
@@ -857,21 +782,21 @@
         <dia:real val="0.5"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O5" connection="0"/>
+        <dia:connection handle="0" to="O4" connection="0"/>
         <dia:connection handle="1" to="O1" connection="4"/>
       </dia:connections>
     </dia:object>
-    <dia:object type="Standard - ZigZagLine" version="1" id="O24">
+    <dia:object type="Standard - ZigZagLine" version="1" id="O22">
       <dia:attribute name="obj_pos">
-        <dia:point val="23.1637,8.7217"/>
+        <dia:point val="23.4825,8.7217"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="16.2082,8.6717;23.2137,12.4977"/>
+        <dia:rectangle val="16.6069,8.6717;23.5325,12.4977"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="23.1637,8.7217"/>
-        <dia:point val="23.1637,12.1359"/>
-        <dia:point val="16.32,12.1359"/>
+        <dia:point val="23.4825,8.7217"/>
+        <dia:point val="23.4825,12.1359"/>
+        <dia:point val="16.7188,12.1359"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="1"/>
@@ -890,16 +815,16 @@
         <dia:real val="0.5"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O3" connection="3"/>
+        <dia:connection handle="0" to="O2" connection="3"/>
         <dia:connection handle="1" to="O1" connection="4"/>
       </dia:connections>
     </dia:object>
-    <dia:object type="Standard - Text" version="1" id="O25">
+    <dia:object type="Standard - Text" version="1" id="O23">
       <dia:attribute name="obj_pos">
-        <dia:point val="23.6,10.185"/>
+        <dia:point val="20.1,10.235"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="23.6,9.605;26.7325,10.3225"/>
+        <dia:rectangle val="20.1,9.64;23.1925,10.385"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -913,7 +838,7 @@
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="23.6,10.185"/>
+            <dia:point val="20.1,10.235"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -927,17 +852,17 @@
         <dia:enum val="3"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="Standard - ZigZagLine" version="1" id="O26">
+    <dia:object type="Standard - ZigZagLine" version="1" id="O24">
       <dia:attribute name="obj_pos">
-        <dia:point val="22.1637,7.7217"/>
+        <dia:point val="22.4825,7.7217"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="15.2082,7.6717;22.2137,11.4475"/>
+        <dia:rectangle val="15.6069,7.6717;22.5325,11.4475"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="22.1637,7.7217"/>
-        <dia:point val="15.57,7.7217"/>
-        <dia:point val="15.57,11.3357"/>
+        <dia:point val="22.4825,7.7217"/>
+        <dia:point val="15.9688,7.7217"/>
+        <dia:point val="15.9688,11.3357"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="0"/>
@@ -956,16 +881,16 @@
         <dia:real val="0.5"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O3" connection="0"/>
+        <dia:connection handle="0" to="O2" connection="0"/>
         <dia:connection handle="1" to="O1" connection="8"/>
       </dia:connections>
     </dia:object>
-    <dia:object type="Standard - Text" version="1" id="O27">
+    <dia:object type="Standard - Text" version="1" id="O25">
       <dia:attribute name="obj_pos">
         <dia:point val="25.15,7.1"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="25.15,6.52;25.505,7.2375"/>
+        <dia:rectangle val="25.15,6.505;25.49,7.25"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -993,18 +918,18 @@
         <dia:enum val="3"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="Standard - ZigZagLine" version="1" id="O28">
+    <dia:object type="Standard - ZigZagLine" version="1" id="O26">
       <dia:attribute name="obj_pos">
-        <dia:point val="31.9763,13.1359"/>
+        <dia:point val="32.4525,13.1359"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="15.2082,12.7741;32.0263,15.25"/>
+        <dia:rectangle val="15.6069,12.7741;32.5025,15.25"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="31.9763,13.1359"/>
-        <dia:point val="31.9763,15.2"/>
-        <dia:point val="15.57,15.2"/>
-        <dia:point val="15.57,12.8859"/>
+        <dia:point val="32.4525,13.1359"/>
+        <dia:point val="32.4525,15.2"/>
+        <dia:point val="15.9688,15.2"/>
+        <dia:point val="15.9688,12.8859"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="1"/>
@@ -1024,16 +949,16 @@
         <dia:real val="0.5"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O5" connection="3"/>
+        <dia:connection handle="0" to="O4" connection="3"/>
         <dia:connection handle="1" to="O1" connection="6"/>
       </dia:connections>
     </dia:object>
-    <dia:object type="Standard - Text" version="1" id="O29">
+    <dia:object type="Standard - Text" version="1" id="O27">
       <dia:attribute name="obj_pos">
-        <dia:point val="27.85,11.55"/>
+        <dia:point val="27.6,11.7"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="27.85,10.97;30.5525,12.4875"/>
+        <dia:rectangle val="27.6,11.105;30.3225,12.65"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1048,7 +973,7 @@
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="27.85,11.55"/>
+            <dia:point val="27.6,11.7"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -1062,12 +987,12 @@
         <dia:enum val="3"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="Standard - Text" version="1" id="O30">
+    <dia:object type="Standard - Text" version="1" id="O28">
       <dia:attribute name="obj_pos">
         <dia:point val="12.35,6.35"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="12.35,5.77;15.1275,6.4875"/>
+        <dia:rectangle val="12.35,5.755;15.035,6.5"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1095,12 +1020,12 @@
         <dia:enum val="3"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="Standard - Text" version="1" id="O31">
+    <dia:object type="Standard - Text" version="1" id="O29">
       <dia:attribute name="obj_pos">
         <dia:point val="16.6,-4.515"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="16.6,-5.095;19.6925,-4.3775"/>
+        <dia:rectangle val="16.6,-5.11;19.6875,-4.365"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1128,5 +1053,80 @@
         <dia:enum val="3"/>
       </dia:attribute>
     </dia:object>
+    <dia:object type="UML - Activity" version="0" id="O30">
+      <dia:attribute name="obj_pos">
+        <dia:point val="20.3012,0.89343"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="20.2512,0.84343;26.7137,3.54343"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="20.3012,0.89343"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="6.3624999999999998"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="2.6000000000000001"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#fffea6"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#Execute the task
+(method run)#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="23.4825,1.98843"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="1"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="UML - Branch" version="0" id="O31">
+      <dia:attribute name="obj_pos">
+        <dia:point val="14.9688,1.19343"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="14.898,1.12272;17.0395,3.26414"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="14.9688,1.19343"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="2"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="2"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#aef9a5"/>
+      </dia:attribute>
+    </dia:object>
   </dia:layer>
 </dia:diagram>
diff --git a/docs/book/task_signature.dia b/docs/book/task_signature.dia
index 1f569633..9b35c7ee 100644
--- a/docs/book/task_signature.dia
+++ b/docs/book/task_signature.dia
@@ -65,16 +65,16 @@
   <dia:layer name="Fondo" visible="true" active="true">
     <dia:object type="UML - State Term" version="0" id="O0">
       <dia:attribute name="obj_pos">
-        <dia:point val="10.8362,-1.35"/>
+        <dia:point val="10.7475,-1.35"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="10.7862,-1.4;11.8863,-0.3"/>
+        <dia:rectangle val="10.6975,-1.4;11.7975,-0.3"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="10.8362,-1.35"/>
+        <dia:point val="10.7475,-1.35"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="1"/>
@@ -94,16 +94,16 @@
     </dia:object>
     <dia:object type="UML - State Term" version="0" id="O1">
       <dia:attribute name="obj_pos">
-        <dia:point val="10.5862,28.85"/>
+        <dia:point val="10.4975,28.85"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="10.5362,28.8;12.1363,30.4"/>
+        <dia:rectangle val="10.4475,28.8;12.0475,30.4"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="10.5862,28.85"/>
+        <dia:point val="10.4975,28.85"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="1.5"/>
@@ -123,19 +123,19 @@
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O2">
       <dia:attribute name="obj_pos">
-        <dia:point val="16.9594,10.25"/>
+        <dia:point val="16.9206,10.25"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="16.9093,10.2;22.7344,12.1"/>
+        <dia:rectangle val="16.8706,10.2;23.3331,12.1"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="16.9594,10.25"/>
+        <dia:point val="16.9206,10.25"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="5.7249999999999996"/>
+        <dia:real val="6.3624999999999998"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="1.8"/>
@@ -158,7 +158,7 @@
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="19.8219,11.33"/>
+            <dia:point val="20.1018,11.345"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -171,16 +171,16 @@
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O3">
       <dia:attribute name="obj_pos">
-        <dia:point val="10.3362,10.15"/>
+        <dia:point val="10.2475,10.15"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="10.2655,10.0793;12.407,12.2207"/>
+        <dia:rectangle val="10.1768,10.0793;12.3182,12.2207"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="10.3362,10.15"/>
+        <dia:point val="10.2475,10.15"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -200,7 +200,7 @@
         <dia:point val="12.6,10.65"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="12.6,10.07;13.31,10.7875"/>
+        <dia:rectangle val="12.6,10.055;13.3975,10.8"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -230,16 +230,16 @@
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O5">
       <dia:attribute name="obj_pos">
-        <dia:point val="10.3362,14.85"/>
+        <dia:point val="10.2475,14.35"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="10.2655,14.7793;12.407,16.9207"/>
+        <dia:rectangle val="10.1768,14.2793;12.3182,16.4207"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="10.3362,14.85"/>
+        <dia:point val="10.2475,14.35"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -259,7 +259,7 @@
         <dia:point val="2.93131,15"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="2.93131,14.42;8.47131,16.7375"/>
+        <dia:rectangle val="2.93131,14.405;9.21631,16.75"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -291,10 +291,10 @@ match?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Text" version="1" id="O7">
       <dia:attribute name="obj_pos">
-        <dia:point val="12.6,15.25"/>
+        <dia:point val="12.6,14.75"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="12.6,14.67;13.31,15.3875"/>
+        <dia:rectangle val="12.6,14.155;13.3975,14.9"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -308,7 +308,7 @@ match?#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="12.6,15.25"/>
+            <dia:point val="12.6,14.75"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -324,19 +324,19 @@ match?#</dia:string>
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O8">
       <dia:attribute name="obj_pos">
-        <dia:point val="16.2131,21.15"/>
+        <dia:point val="16.0743,21.15"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="16.1631,21.1;23.4806,23.8"/>
+        <dia:rectangle val="16.0243,21.1;24.1793,23.8"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="16.2131,21.15"/>
+        <dia:point val="16.0743,21.15"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="7.2174999999999994"/>
+        <dia:real val="8.0549999999999997"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -360,7 +360,7 @@ to the signature#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="19.8219,22.23"/>
+            <dia:point val="20.1018,22.245"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -373,19 +373,19 @@ to the signature#</dia:string>
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O9">
       <dia:attribute name="obj_pos">
-        <dia:point val="7.7475,1.15"/>
+        <dia:point val="7.1275,1.15"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="7.6975,1.1;14.975,3.8"/>
+        <dia:rectangle val="7.0775,1.1;15.4175,3.8"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="7.7475,1.15"/>
+        <dia:point val="7.1275,1.15"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="7.1775000000000002"/>
+        <dia:real val="8.2400000000000002"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -409,7 +409,7 @@ identifier (method uid)#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="11.3362,2.23"/>
+            <dia:point val="11.2475,2.245"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -425,7 +425,7 @@ identifier (method uid)#</dia:string>
         <dia:point val="28.95,19.9"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="28.95,19.32;34.35,21.6375"/>
+        <dia:rectangle val="28.95,19.305;34.9325,21.65"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -483,19 +483,19 @@ and not skipped#</dia:string>
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O12">
       <dia:attribute name="obj_pos">
-        <dia:point val="6.93,5.425"/>
+        <dia:point val="6.28,5.525"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="6.88,5.375;15.7925,8.075"/>
+        <dia:rectangle val="6.23,5.475;16.265,8.175"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="6.93,5.425"/>
+        <dia:point val="6.28,5.525"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="8.8125"/>
+        <dia:real val="9.9349999999999987"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -519,7 +519,7 @@ and not skipped#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="11.3362,6.505"/>
+            <dia:point val="11.2475,6.62"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -532,14 +532,14 @@ and not skipped#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O13">
       <dia:attribute name="obj_pos">
-        <dia:point val="11.3362,3.75"/>
+        <dia:point val="11.2475,3.75"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="10.9744,3.7;11.6981,5.5368"/>
+        <dia:rectangle val="10.8857,3.7;11.6093,5.6368"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="11.3362,3.75"/>
-        <dia:point val="11.3362,5.425"/>
+        <dia:point val="11.2475,3.75"/>
+        <dia:point val="11.2475,5.525"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -560,14 +560,14 @@ and not skipped#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O14">
       <dia:attribute name="obj_pos">
-        <dia:point val="11.3362,8.025"/>
+        <dia:point val="11.2475,8.125"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="10.9744,7.975;11.6981,10.2618"/>
+        <dia:rectangle val="10.8857,8.075;11.6093,10.2618"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="11.3362,8.025"/>
-        <dia:point val="11.3362,10.15"/>
+        <dia:point val="11.2475,8.125"/>
+        <dia:point val="11.2475,10.15"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -588,14 +588,14 @@ and not skipped#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O15">
       <dia:attribute name="obj_pos">
-        <dia:point val="12.3362,11.15"/>
+        <dia:point val="12.2475,11.15"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="12.2862,10.7882;17.0712,11.5118"/>
+        <dia:rectangle val="12.1975,10.7882;17.0324,11.5118"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="12.3362,11.15"/>
-        <dia:point val="16.9594,11.15"/>
+        <dia:point val="12.2475,11.15"/>
+        <dia:point val="16.9206,11.15"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -616,14 +616,14 @@ and not skipped#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O16">
       <dia:attribute name="obj_pos">
-        <dia:point val="11.3362,12.15"/>
+        <dia:point val="11.2475,12.15"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="10.9744,12.1;11.6981,14.9618"/>
+        <dia:rectangle val="10.8857,12.1;11.6093,14.4618"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="11.3362,12.15"/>
-        <dia:point val="11.3362,14.85"/>
+        <dia:point val="11.2475,12.15"/>
+        <dia:point val="11.2475,14.35"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -644,15 +644,15 @@ and not skipped#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O17">
       <dia:attribute name="obj_pos">
-        <dia:point val="12.3362,15.85"/>
+        <dia:point val="12.2475,15.35"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="12.2862,11.9382;20.1837,15.9"/>
+        <dia:rectangle val="12.1975,11.9382;20.4637,15.4"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="12.3362,15.85"/>
-        <dia:point val="19.8219,15.85"/>
-        <dia:point val="19.8219,12.05"/>
+        <dia:point val="12.2475,15.35"/>
+        <dia:point val="20.1018,15.35"/>
+        <dia:point val="20.1018,12.05"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="0"/>
@@ -680,7 +680,7 @@ and not skipped#</dia:string>
         <dia:point val="2.95,10.725"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="2.95,10.145;9.3775,12.4625"/>
+        <dia:rectangle val="2.95,10.13;10.2225,12.475"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -712,16 +712,16 @@ present?#</dia:string>
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O19">
       <dia:attribute name="obj_pos">
-        <dia:point val="10.3362,18.9"/>
+        <dia:point val="10.2475,18.9"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="10.2655,18.8293;12.407,20.9707"/>
+        <dia:rectangle val="10.1768,18.8293;12.3182,20.9707"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="10.3362,18.9"/>
+        <dia:point val="10.2475,18.9"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -738,14 +738,14 @@ present?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O20">
       <dia:attribute name="obj_pos">
-        <dia:point val="11.3362,16.85"/>
+        <dia:point val="11.2475,16.35"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="10.9744,16.8;11.6981,19.0118"/>
+        <dia:rectangle val="10.8857,16.3;11.6093,19.0118"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="11.3362,16.85"/>
-        <dia:point val="11.3362,18.9"/>
+        <dia:point val="11.2475,16.35"/>
+        <dia:point val="11.2475,18.9"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -769,7 +769,7 @@ present?#</dia:string>
         <dia:point val="2.95,19.1"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="2.95,18.52;8.88,20.8375"/>
+        <dia:rectangle val="2.95,18.505;9.73,20.85"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -804,12 +804,12 @@ same signature?#</dia:string>
         <dia:point val="27.95,23.45"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="11.9744,23.4;28,29.9618"/>
+        <dia:rectangle val="11.8857,23.4;28,29.9618"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
         <dia:point val="27.95,23.45"/>
         <dia:point val="27.95,29.6"/>
-        <dia:point val="12.0862,29.6"/>
+        <dia:point val="11.9975,29.6"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="1"/>
@@ -834,13 +834,13 @@ same signature?#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O23">
       <dia:attribute name="obj_pos">
-        <dia:point val="22.6844,11.15"/>
+        <dia:point val="23.2831,11.15"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.6344,11.1;28.3118,21.5618"/>
+        <dia:rectangle val="23.2331,11.1;28.3118,21.5618"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="22.6844,11.15"/>
+        <dia:point val="23.2831,11.15"/>
         <dia:point val="27.95,11.15"/>
         <dia:point val="27.95,21.45"/>
       </dia:attribute>
@@ -867,15 +867,15 @@ same signature?#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O24">
       <dia:attribute name="obj_pos">
-        <dia:point val="12.3362,19.9"/>
+        <dia:point val="12.2475,19.9"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="12.2862,11.9382;20.1837,19.95"/>
+        <dia:rectangle val="12.1975,11.9382;20.4637,19.95"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="12.3362,19.9"/>
-        <dia:point val="19.8219,19.9"/>
-        <dia:point val="19.8219,12.05"/>
+        <dia:point val="12.2475,19.9"/>
+        <dia:point val="20.1018,19.9"/>
+        <dia:point val="20.1018,12.05"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="0"/>
@@ -903,7 +903,7 @@ same signature?#</dia:string>
         <dia:point val="12.6,19.25"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="12.6,18.67;13.31,19.3875"/>
+        <dia:rectangle val="12.6,18.655;13.3975,19.4"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -936,11 +936,11 @@ same signature?#</dia:string>
         <dia:point val="26.95,22.45"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="23.3188,22.0882;27,22.8118"/>
+        <dia:rectangle val="24.0175,22.0882;27,22.8118"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
         <dia:point val="26.95,22.45"/>
-        <dia:point val="23.4306,22.45"/>
+        <dia:point val="24.1293,22.45"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -961,14 +961,14 @@ same signature?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O27">
       <dia:attribute name="obj_pos">
-        <dia:point val="11.3362,20.9"/>
+        <dia:point val="11.2475,20.9"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="10.9744,20.85;11.6981,28.9618"/>
+        <dia:rectangle val="10.8857,20.85;11.6093,28.9618"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="11.3362,20.9"/>
-        <dia:point val="11.3362,28.85"/>
+        <dia:point val="11.2475,20.9"/>
+        <dia:point val="11.2475,28.85"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -989,14 +989,14 @@ same signature?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O28">
       <dia:attribute name="obj_pos">
-        <dia:point val="11.3362,-0.301172"/>
+        <dia:point val="11.2475,-0.301172"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="10.9744,-0.351172;11.6981,1.2618"/>
+        <dia:rectangle val="10.8857,-0.351172;11.6093,1.2618"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="11.3362,-0.301172"/>
-        <dia:point val="11.3362,1.15"/>
+        <dia:point val="11.2475,-0.301172"/>
+        <dia:point val="11.2475,1.15"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -1017,19 +1017,19 @@ same signature?#</dia:string>
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O29">
       <dia:attribute name="obj_pos">
-        <dia:point val="15.9481,25.225"/>
+        <dia:point val="15.7481,25.225"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="15.8981,25.175;23.7456,27.875"/>
+        <dia:rectangle val="15.6981,25.175;24.5056,27.875"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="15.9481,25.225"/>
+        <dia:point val="15.7481,25.225"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="7.7474999999999996"/>
+        <dia:real val="8.7074999999999996"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -1053,7 +1053,7 @@ on the output nodes#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="19.8219,26.305"/>
+            <dia:point val="20.1018,26.32"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -1066,14 +1066,14 @@ on the output nodes#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O30">
       <dia:attribute name="obj_pos">
-        <dia:point val="19.8219,23.75"/>
+        <dia:point val="20.1018,23.75"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="19.46,23.7;20.1837,25.3368"/>
+        <dia:rectangle val="19.74,23.7;20.4636,25.3368"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="19.8219,23.75"/>
-        <dia:point val="19.8219,25.225"/>
+        <dia:point val="20.1018,23.75"/>
+        <dia:point val="20.1018,25.225"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -1094,15 +1094,15 @@ on the output nodes#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O31">
       <dia:attribute name="obj_pos">
-        <dia:point val="15.9481,26.525"/>
+        <dia:point val="15.7481,26.525"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="10.9744,26.475;15.9981,28.9618"/>
+        <dia:rectangle val="10.8857,26.475;15.7981,28.9618"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="15.9481,26.525"/>
-        <dia:point val="11.3362,26.525"/>
-        <dia:point val="11.3362,28.85"/>
+        <dia:point val="15.7481,26.525"/>
+        <dia:point val="11.2475,26.525"/>
+        <dia:point val="11.2475,28.85"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="0"/>
@@ -1130,7 +1130,7 @@ on the output nodes#</dia:string>
         <dia:point val="9.43131,12.72"/>
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diff --git a/docs/book/tasks_actors.dia b/docs/book/tasks_actors.dia
index 57979885..4d2efa4a 100644
--- a/docs/book/tasks_actors.dia
+++ b/docs/book/tasks_actors.dia
@@ -65,19 +65,19 @@
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@@ -106,7 +106,7 @@
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@@ -159,7 +159,7 @@
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@@ -168,7 +168,7 @@
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@@ -197,7 +197,7 @@
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@@ -288,7 +288,7 @@
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@@ -372,17 +372,17 @@
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@@ -397,7 +397,7 @@
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@@ -409,7 +409,7 @@
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@@ -418,7 +418,7 @@
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@@ -447,7 +447,7 @@
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@@ -522,7 +522,7 @@
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diff --git a/docs/book/tasks_overview.dia b/docs/book/tasks_overview.dia
index 2ca3111d..d38390f6 100644
--- a/docs/book/tasks_overview.dia
+++ b/docs/book/tasks_overview.dia
@@ -65,16 +65,16 @@
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@@ -94,16 +94,16 @@
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@@ -123,19 +123,19 @@
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@@ -159,7 +159,7 @@ from user scripts#</dia:string>
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@@ -172,19 +172,19 @@ from user scripts#</dia:string>
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@@ -208,7 +208,7 @@ generate the tasks#</dia:string>
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@@ -221,19 +221,19 @@ generate the tasks#</dia:string>
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@@ -257,7 +257,7 @@ on the tasks#</dia:string>
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@@ -270,16 +270,16 @@ on the tasks#</dia:string>
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@@ -306,7 +306,7 @@ the tasks#</dia:string>
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@@ -319,19 +319,19 @@ the tasks#</dia:string>
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@@ -355,7 +355,7 @@ data to the cache#</dia:string>
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@@ -368,14 +368,14 @@ data to the cache#</dia:string>
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-        <dia:rectangle val="19.2,3.82;20.55,4.5375"/>
+        <dia:rectangle val="19.2,3.805;20.7625,4.55"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -516,7 +516,7 @@ data to the cache#</dia:string>
         <dia:point val="31.05,19.6"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="31.05,19.02;32.1875,19.7375"/>
+        <dia:rectangle val="31.05,19.005;32.2675,19.75"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -546,19 +546,19 @@ data to the cache#</dia:string>
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O13">
       <dia:attribute name="obj_pos">
-        <dia:point val="17.8212,6.17143"/>
+        <dia:point val="17.3775,6.17143"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="17.7712,6.12143;25.2662,8.82143"/>
+        <dia:rectangle val="17.3275,6.12143;25.6125,8.82143"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="17.8212,6.17143"/>
+        <dia:point val="17.3775,6.17143"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="7.3950000000000005"/>
+        <dia:real val="8.1849999999999987"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -582,7 +582,7 @@ data from the cache#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="21.5188,7.25143"/>
+            <dia:point val="21.47,7.26643"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -595,14 +595,14 @@ data from the cache#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O14">
       <dia:attribute name="obj_pos">
-        <dia:point val="21.5188,8.77143"/>
+        <dia:point val="21.47,8.77143"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="21.1569,8.72143;21.8806,10.4047"/>
+        <dia:rectangle val="21.1082,8.72143;21.8318,10.3547"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="21.5188,8.77143"/>
-        <dia:point val="21.5188,10.2929"/>
+        <dia:point val="21.47,8.77143"/>
+        <dia:point val="21.47,10.2429"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -623,17 +623,17 @@ data from the cache#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O15">
       <dia:attribute name="obj_pos">
-        <dia:point val="25.5875,15.7143"/>
+        <dia:point val="26.0437,15.7643"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="25.5375,4.05;33.7631,15.7643"/>
+        <dia:rectangle val="25.9937,4.05;33.7744,15.8143"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="25.5875,15.7143"/>
-        <dia:point val="28.25,15.7143"/>
+        <dia:point val="26.0437,15.7643"/>
+        <dia:point val="28.25,15.7643"/>
         <dia:point val="28.25,4.1"/>
-        <dia:point val="33.4013,4.1"/>
-        <dia:point val="33.4013,6.13571"/>
+        <dia:point val="33.4126,4.1"/>
+        <dia:point val="33.4126,6.13571"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="0"/>
@@ -660,14 +660,14 @@ data from the cache#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O16">
       <dia:attribute name="obj_pos">
-        <dia:point val="33.4013,16.9286"/>
+        <dia:point val="33.4126,16.9786"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="33.0395,16.8786;33.7631,18.7118"/>
+        <dia:rectangle val="33.0507,16.9286;33.7744,18.7118"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="33.4013,16.9286"/>
-        <dia:point val="33.4013,18.6"/>
+        <dia:point val="33.4126,16.9786"/>
+        <dia:point val="33.4125,18.6"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
diff --git a/docs/book/waf-activity.dia b/docs/book/waf-activity.dia
index a4228d32..d30cbb19 100644
--- a/docs/book/waf-activity.dia
+++ b/docs/book/waf-activity.dia
@@ -65,16 +65,16 @@
   <dia:layer name="Fondo" visible="true" active="true">
     <dia:object type="UML - State Term" version="0" id="O0">
       <dia:attribute name="obj_pos">
-        <dia:point val="20.7788,-2.4"/>
+        <dia:point val="21.2063,-2.4"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="20.7288,-2.45;21.8288,-1.35"/>
+        <dia:rectangle val="21.1563,-2.45;22.2563,-1.35"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="20.7788,-2.4"/>
+        <dia:point val="21.2063,-2.4"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="1"/>
@@ -94,16 +94,16 @@
     </dia:object>
     <dia:object type="UML - State Term" version="0" id="O1">
       <dia:attribute name="obj_pos">
-        <dia:point val="20.5288,32.4"/>
+        <dia:point val="20.9563,32.4"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="20.4788,32.35;22.0788,33.95"/>
+        <dia:rectangle val="20.9063,32.35;22.5063,33.95"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="20.5288,32.4"/>
+        <dia:point val="20.9563,32.4"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="1.5"/>
@@ -123,19 +123,19 @@
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O2">
       <dia:attribute name="obj_pos">
-        <dia:point val="19.1088,7.55107"/>
+        <dia:point val="16.9787,7.65107"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="19.0587,7.50107;23.4988,9.40107"/>
+        <dia:rectangle val="16.9287,7.60107;26.4412,9.50107"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="19.1088,7.55107"/>
+        <dia:point val="16.9787,7.65107"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="4.3399999999999999"/>
+        <dia:real val="9.4124999999999996"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="1.8"/>
@@ -149,7 +149,7 @@
       <dia:attribute name="text">
         <dia:composite type="text">
           <dia:attribute name="string">
-            <dia:string>#Call options#</dia:string>
+            <dia:string>#Call the function "options"#</dia:string>
           </dia:attribute>
           <dia:attribute name="font">
             <dia:font family="sans" style="0" name="Helvetica"/>
@@ -158,7 +158,7 @@
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="21.2788,8.63107"/>
+            <dia:point val="21.685,8.74607"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -171,19 +171,19 @@
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O3">
       <dia:attribute name="obj_pos">
-        <dia:point val="18.3463,4.09786"/>
+        <dia:point val="18.4787,4.09786"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="18.2963,4.04786;24.2613,5.94786"/>
+        <dia:rectangle val="18.4287,4.04786;24.9837,5.94786"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="18.3463,4.09786"/>
+        <dia:point val="18.4787,4.09786"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="5.8650000000000002"/>
+        <dia:real val="6.4550000000000001"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="1.8"/>
@@ -206,7 +206,7 @@
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="21.2788,5.17786"/>
+            <dia:point val="21.7062,5.19286"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -219,16 +219,16 @@
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O4">
       <dia:attribute name="obj_pos">
-        <dia:point val="20.2788,17.1282"/>
+        <dia:point val="20.7063,17.1282"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="20.208,17.0575;22.3495,19.1989"/>
+        <dia:rectangle val="20.6356,17.0575;22.777,19.1989"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="20.2788,17.1282"/>
+        <dia:point val="20.7063,17.1282"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -245,19 +245,19 @@
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O5">
       <dia:attribute name="obj_pos">
-        <dia:point val="17.6538,11.0043"/>
+        <dia:point val="17.6363,11.5043"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="17.6038,10.9543;24.9538,13.6543"/>
+        <dia:rectangle val="17.5863,11.4543;25.8263,14.1543"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="17.6538,11.0043"/>
+        <dia:point val="17.6363,11.5043"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="7.25"/>
+        <dia:real val="8.1400000000000006"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -281,7 +281,7 @@ command-line options#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="21.2788,12.0843"/>
+            <dia:point val="21.7063,12.5993"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -294,16 +294,16 @@ command-line options#</dia:string>
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O6">
       <dia:attribute name="obj_pos">
-        <dia:point val="20.2788,28.7261"/>
+        <dia:point val="20.7063,28.7261"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="20.208,28.6554;22.3495,30.7968"/>
+        <dia:rectangle val="20.6356,28.6554;22.777,30.7968"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="20.2788,28.7261"/>
+        <dia:point val="20.7063,28.7261"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -323,7 +323,7 @@ command-line options#</dia:string>
         <dia:point val="18.0766,29.1"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="18.0766,28.52;20.3841,29.2375"/>
+        <dia:rectangle val="18.0766,28.505;20.5216,29.25"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -356,7 +356,7 @@ command-line options#</dia:string>
         <dia:point val="27.2541,0.523928"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="27.2041,0.473928;34.6266,2.37393"/>
+        <dia:rectangle val="27.2041,0.473928;35.5566,2.37393"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
@@ -365,7 +365,7 @@ command-line options#</dia:string>
         <dia:point val="27.2541,0.523928"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="7.3224999999999998"/>
+        <dia:real val="8.2525000000000013"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="1.8"/>
@@ -388,7 +388,7 @@ command-line options#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="30.9154,1.60393"/>
+            <dia:point val="31.3803,1.61893"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -401,16 +401,16 @@ command-line options#</dia:string>
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O9">
       <dia:attribute name="obj_pos">
-        <dia:point val="20.2788,0.423928"/>
+        <dia:point val="20.7063,0.423928"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="20.208,0.353217;22.3495,2.49464"/>
+        <dia:rectangle val="20.6356,0.353217;22.777,2.49464"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="20.2788,0.423928"/>
+        <dia:point val="20.7063,0.423928"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -430,7 +430,7 @@ command-line options#</dia:string>
         <dia:point val="15.4821,1.225"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="15.4821,0.645;19.6721,2.1625"/>
+        <dia:rectangle val="15.4821,0.63;20.2771,2.175"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -461,13 +461,13 @@ is present?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O11">
       <dia:attribute name="obj_pos">
-        <dia:point val="22.2788,1.42393"/>
+        <dia:point val="22.7063,1.42393"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.2288,1.06212;27.3659,1.78573"/>
+        <dia:rectangle val="22.6563,1.06213;27.3659,1.78573"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="22.2788,1.42393"/>
+        <dia:point val="22.7063,1.42393"/>
         <dia:point val="27.2541,1.42393"/>
       </dia:attribute>
       <dia:attribute name="numcp">
@@ -489,16 +489,16 @@ is present?#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O12">
       <dia:attribute name="obj_pos">
-        <dia:point val="30.9154,0.523928"/>
+        <dia:point val="31.3803,0.523928"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="20.9169,-0.626072;30.9654,0.573928"/>
+        <dia:rectangle val="21.3445,-0.626072;31.4304,0.573928"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="30.9154,0.523928"/>
-        <dia:point val="30.9154,-0.576072"/>
-        <dia:point val="21.2788,-0.576072"/>
-        <dia:point val="21.2788,0.423928"/>
+        <dia:point val="31.3803,0.523928"/>
+        <dia:point val="31.3803,-0.576072"/>
+        <dia:point val="21.7063,-0.576072"/>
+        <dia:point val="21.7063,0.423928"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="1"/>
@@ -524,14 +524,14 @@ is present?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O13">
       <dia:attribute name="obj_pos">
-        <dia:point val="21.2788,-1.4"/>
+        <dia:point val="21.7063,-1.4"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="20.9169,-1.45;21.6406,0.535731"/>
+        <dia:rectangle val="21.3445,-1.45;22.0681,0.535731"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="21.2788,-1.4"/>
-        <dia:point val="21.2788,0.423928"/>
+        <dia:point val="21.7063,-1.4"/>
+        <dia:point val="21.7063,0.423928"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -552,14 +552,14 @@ is present?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O14">
       <dia:attribute name="obj_pos">
-        <dia:point val="21.2788,2.42393"/>
+        <dia:point val="21.7063,2.42393"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="20.9169,2.37393;21.6406,4.20966"/>
+        <dia:rectangle val="21.3444,2.37393;22.068,4.20966"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="21.2788,2.42393"/>
-        <dia:point val="21.2788,4.09786"/>
+        <dia:point val="21.7063,2.42393"/>
+        <dia:point val="21.7062,4.09786"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -580,14 +580,14 @@ is present?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O15">
       <dia:attribute name="obj_pos">
-        <dia:point val="21.2788,5.89786"/>
+        <dia:point val="21.7062,5.89786"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="20.9169,5.84786;21.6406,7.66287"/>
+        <dia:rectangle val="21.3306,5.84726;22.0541,7.76287"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="21.2788,5.89786"/>
-        <dia:point val="21.2788,7.55107"/>
+        <dia:point val="21.7062,5.89786"/>
+        <dia:point val="21.685,7.65107"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -608,14 +608,14 @@ is present?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O16">
       <dia:attribute name="obj_pos">
-        <dia:point val="21.2788,9.35107"/>
+        <dia:point val="21.685,9.45107"/>
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       <dia:attribute name="obj_bb">
-        <dia:rectangle val="20.9169,9.30107;21.6406,11.1161"/>
+        <dia:rectangle val="21.3382,9.40055;22.0617,11.6161"/>
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       <dia:attribute name="conn_endpoints">
-        <dia:point val="21.2788,9.35107"/>
-        <dia:point val="21.2788,11.0043"/>
+        <dia:point val="21.685,9.45107"/>
+        <dia:point val="21.7063,11.5043"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -639,7 +639,7 @@ is present?#</dia:string>
         <dia:point val="17.6,25.15"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="17.55,25.1;25.0075,27"/>
+        <dia:rectangle val="17.55,25.1;25.8625,27"/>
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       <dia:attribute name="meta">
         <dia:composite type="dict"/>
@@ -648,7 +648,7 @@ is present?#</dia:string>
         <dia:point val="17.6,25.15"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="7.3574999999999999"/>
+        <dia:real val="8.2125000000000004"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="1.8"/>
@@ -671,7 +671,7 @@ is present?#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="21.2788,26.23"/>
+            <dia:point val="21.7063,26.245"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -684,14 +684,14 @@ is present?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O18">
       <dia:attribute name="obj_pos">
-        <dia:point val="21.2788,13.6043"/>
+        <dia:point val="21.7063,14.1043"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="20.9169,13.5543;21.6406,17.24"/>
+        <dia:rectangle val="21.3445,14.0543;22.0681,17.24"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="21.2788,13.6043"/>
-        <dia:point val="21.2788,17.1282"/>
+        <dia:point val="21.7063,14.1043"/>
+        <dia:point val="21.7063,17.1282"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -712,14 +712,14 @@ is present?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O19">
       <dia:attribute name="obj_pos">
-        <dia:point val="21.2788,26.95"/>
+        <dia:point val="21.7063,26.95"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="20.9169,26.9;21.6406,28.8379"/>
+        <dia:rectangle val="21.3445,26.9;22.0681,28.8379"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="21.2788,26.95"/>
-        <dia:point val="21.2788,28.7261"/>
+        <dia:point val="21.7063,26.95"/>
+        <dia:point val="21.7063,28.7261"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -740,14 +740,14 @@ is present?#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O20">
       <dia:attribute name="obj_pos">
-        <dia:point val="21.2788,30.7261"/>
+        <dia:point val="21.7063,30.7261"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="20.9169,30.6761;21.6406,32.4641"/>
+        <dia:rectangle val="21.3445,30.6761;22.0681,32.4641"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="21.2788,30.7261"/>
-        <dia:point val="21.2788,32.3523"/>
+        <dia:point val="21.7063,30.7261"/>
+        <dia:point val="21.7063,32.3523"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -771,7 +771,7 @@ is present?#</dia:string>
         <dia:point val="15.4821,15.95"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="15.4821,15.37;20.2396,16.8875"/>
+        <dia:rectangle val="15.4821,15.355;20.7996,16.9"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -805,7 +805,7 @@ to process?#</dia:string>
         <dia:point val="19.7121,19.75"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="19.7121,19.17;20.7071,19.8875"/>
+        <dia:rectangle val="19.7121,19.155;20.8196,19.9"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -835,16 +835,16 @@ to process?#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O23">
       <dia:attribute name="obj_pos">
-        <dia:point val="22.2788,18.1282"/>
+        <dia:point val="22.7063,18.1282"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="21.9169,18.0782;35.95,33.5118"/>
+        <dia:rectangle val="22.3445,18.0782;35.95,33.5118"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="22.2788,18.1282"/>
+        <dia:point val="22.7063,18.1282"/>
         <dia:point val="35.9,18.1282"/>
         <dia:point val="35.9,33.15"/>
-        <dia:point val="22.0288,33.15"/>
+        <dia:point val="22.4563,33.15"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="0"/>
@@ -873,7 +873,7 @@ to process?#</dia:string>
         <dia:point val="22.65,19"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.65,18.42;23.36,19.1375"/>
+        <dia:rectangle val="22.65,18.405;23.4475,19.15"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -903,16 +903,16 @@ to process?#</dia:string>
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O25">
       <dia:attribute name="obj_pos">
-        <dia:point val="20.2788,21.35"/>
+        <dia:point val="20.7063,21.35"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="20.208,21.2793;22.3495,23.4207"/>
+        <dia:rectangle val="20.6356,21.2793;22.777,23.4207"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="20.2788,21.35"/>
+        <dia:point val="20.7063,21.35"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -932,7 +932,7 @@ to process?#</dia:string>
         <dia:point val="15.5,20.75"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="15.5,20.17;19.2275,23.2875"/>
+        <dia:rectangle val="15.5,20.155;19.8325,23.3"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -965,14 +965,14 @@ is configured#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O27">
       <dia:attribute name="obj_pos">
-        <dia:point val="21.2788,19.1282"/>
+        <dia:point val="21.7063,19.1282"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="20.9169,19.0782;21.6406,21.4618"/>
+        <dia:rectangle val="21.3445,19.0782;22.0681,21.4618"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="21.2788,19.1282"/>
-        <dia:point val="21.2788,21.35"/>
+        <dia:point val="21.7063,19.1282"/>
+        <dia:point val="21.7063,21.35"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -993,14 +993,14 @@ is configured#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O28">
       <dia:attribute name="obj_pos">
-        <dia:point val="21.2788,23.35"/>
+        <dia:point val="21.7063,23.35"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="20.9169,23.3;21.6406,25.2618"/>
+        <dia:rectangle val="21.3445,23.3;22.0681,25.2618"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="21.2788,23.35"/>
-        <dia:point val="21.2788,25.15"/>
+        <dia:point val="21.7063,23.35"/>
+        <dia:point val="21.7063,25.15"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -1021,16 +1021,16 @@ is configured#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O29">
       <dia:attribute name="obj_pos">
-        <dia:point val="20.2788,29.7261"/>
+        <dia:point val="20.7063,29.7261"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.95,17.7664;20.3906,29.7761"/>
+        <dia:rectangle val="14.95,17.7664;20.8181,29.7761"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="20.2788,29.7261"/>
+        <dia:point val="20.7063,29.7261"/>
         <dia:point val="15,29.7261"/>
         <dia:point val="15,18.1282"/>
-        <dia:point val="20.2788,18.1282"/>
+        <dia:point val="20.7063,18.1282"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="0"/>
@@ -1056,19 +1056,19 @@ is configured#</dia:string>
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O30">
       <dia:attribute name="obj_pos">
-        <dia:point val="28.3928,21.05"/>
+        <dia:point val="28.3929,21.05"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="28.3428,21;33.8453,23.7"/>
+        <dia:rectangle val="28.3429,21;34.4179,23.7"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="28.3928,21.05"/>
+        <dia:point val="28.3929,21.05"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="5.4024999999999999"/>
+        <dia:real val="5.9749999999999996"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -1092,7 +1092,7 @@ the project#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="31.0941,22.13"/>
+            <dia:point val="31.3804,22.145"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -1105,14 +1105,14 @@ the project#</dia:string>
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O31">
       <dia:attribute name="obj_pos">
-        <dia:point val="22.2788,22.35"/>
+        <dia:point val="22.7063,22.35"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.2288,21.9882;28.5046,22.7118"/>
+        <dia:rectangle val="22.6563,21.9882;28.5047,22.7118"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="22.2788,22.35"/>
-        <dia:point val="28.3928,22.35"/>
+        <dia:point val="22.7063,22.35"/>
+        <dia:point val="28.3929,22.35"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -1133,15 +1133,15 @@ the project#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O32">
       <dia:attribute name="obj_pos">
-        <dia:point val="31.0941,23.65"/>
+        <dia:point val="31.3804,23.65"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="21.9169,23.6;31.1441,33.5118"/>
+        <dia:rectangle val="22.3445,23.6;31.4304,33.5118"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="31.0941,23.65"/>
-        <dia:point val="31.0941,33.15"/>
-        <dia:point val="22.0288,33.15"/>
+        <dia:point val="31.3804,23.65"/>
+        <dia:point val="31.3804,33.15"/>
+        <dia:point val="22.4563,33.15"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="1"/>
@@ -1169,7 +1169,7 @@ the project#</dia:string>
         <dia:point val="22.65,23.1"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="22.65,22.52;23.36,23.2375"/>
+        <dia:rectangle val="22.65,22.505;23.4475,23.25"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1202,7 +1202,7 @@ the project#</dia:string>
         <dia:point val="19.73,23.87"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="19.73,23.29;20.725,24.0075"/>
+        <dia:rectangle val="19.73,23.275;20.8375,24.02"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1235,7 +1235,7 @@ the project#</dia:string>
         <dia:point val="21.83,31.37"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="21.83,30.79;22.825,31.5075"/>
+        <dia:rectangle val="21.83,30.775;22.9375,31.52"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1268,7 +1268,7 @@ the project#</dia:string>
         <dia:point val="19.68,30.97"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="19.68,30.39;20.39,31.1075"/>
+        <dia:rectangle val="19.68,30.375;20.4775,31.12"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
diff --git a/docs/book/waflib.dia b/docs/book/waflib.dia
index 160dd4fe..cd2e006c 100644
--- a/docs/book/waflib.dia
+++ b/docs/book/waflib.dia
@@ -65,16 +65,16 @@
   <dia:layer name="Fondo" visible="true" active="true">
     <dia:object type="UML - State Term" version="0" id="O0">
       <dia:attribute name="obj_pos">
-        <dia:point val="14.54,1.75"/>
+        <dia:point val="14.5425,1.75"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.49,1.7;15.59,2.8"/>
+        <dia:rectangle val="14.4925,1.7;15.5925,2.8"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="14.54,1.75"/>
+        <dia:point val="14.5425,1.75"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="1"/>
@@ -123,16 +123,16 @@
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O2">
       <dia:attribute name="obj_pos">
-        <dia:point val="14.04,5.525"/>
+        <dia:point val="14.0425,5.525"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="13.9692,5.45429;16.1107,7.59571"/>
+        <dia:rectangle val="13.9717,5.45429;16.1132,7.59571"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="14.04,5.525"/>
+        <dia:point val="14.0425,5.525"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -149,16 +149,16 @@
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O3">
       <dia:attribute name="obj_pos">
-        <dia:point val="14.04,24.2"/>
+        <dia:point val="14.0425,24.2"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="13.9692,24.1293;16.1107,26.2707"/>
+        <dia:rectangle val="13.9717,24.1293;16.1132,26.2707"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="14.04,24.2"/>
+        <dia:point val="14.0425,24.2"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -175,14 +175,14 @@
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O4">
       <dia:attribute name="obj_pos">
-        <dia:point val="15.04,2.75"/>
+        <dia:point val="15.0425,2.75"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.6781,2.7;15.4018,5.6368"/>
+        <dia:rectangle val="14.6806,2.7;15.4043,5.6368"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="15.04,2.75"/>
-        <dia:point val="15.04,5.525"/>
+        <dia:point val="15.0425,2.75"/>
+        <dia:point val="15.0425,5.525"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -203,13 +203,13 @@
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O5">
       <dia:attribute name="obj_pos">
-        <dia:point val="16.04,6.525"/>
+        <dia:point val="16.0425,6.525"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="15.99,6.1632;24.4618,6.8868"/>
+        <dia:rectangle val="15.9925,6.1632;24.4618,6.8868"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="16.04,6.525"/>
+        <dia:point val="16.0425,6.525"/>
         <dia:point val="24.35,6.525"/>
       </dia:attribute>
       <dia:attribute name="numcp">
@@ -231,14 +231,14 @@
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O6">
       <dia:attribute name="obj_pos">
-        <dia:point val="15.04,7.525"/>
+        <dia:point val="15.0425,7.525"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.6781,7.475;15.4018,10.0875"/>
+        <dia:rectangle val="14.6806,7.475;15.4043,10.0875"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="15.04,7.525"/>
-        <dia:point val="15.04,9.97571"/>
+        <dia:point val="15.0425,7.525"/>
+        <dia:point val="15.0425,9.97571"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -259,14 +259,14 @@
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O7">
       <dia:attribute name="obj_pos">
-        <dia:point val="15.04,11.9757"/>
+        <dia:point val="15.0425,11.9757"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.6781,11.9257;15.4018,14.8375"/>
+        <dia:rectangle val="14.6806,11.9257;15.4043,14.8375"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="15.04,11.9757"/>
-        <dia:point val="15.04,14.7257"/>
+        <dia:point val="15.0425,11.9757"/>
+        <dia:point val="15.0425,14.7257"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -287,19 +287,19 @@
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O8">
       <dia:attribute name="obj_pos">
-        <dia:point val="11.9112,27.975"/>
+        <dia:point val="11.5199,27.975"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="11.8612,27.925;18.2187,30.625"/>
+        <dia:rectangle val="11.4699,27.925;18.615,30.625"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="11.9112,27.975"/>
+        <dia:point val="11.5199,27.975"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="6.2575000000000003"/>
+        <dia:real val="7.0449999999999999"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -323,7 +323,7 @@ raise an error#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="15.04,29.055"/>
+            <dia:point val="15.0424,29.07"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -336,16 +336,16 @@ raise an error#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O9">
       <dia:attribute name="obj_pos">
-        <dia:point val="15.04,26.2"/>
+        <dia:point val="15.0425,26.2"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.4281,26.2;15.1518,28.3368"/>
+        <dia:rectangle val="14.4306,26.2;15.1543,28.3368"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="15.04,26.2"/>
-        <dia:point val="15.04,26.2"/>
-        <dia:point val="15.04,27.975"/>
-        <dia:point val="15.04,27.975"/>
+        <dia:point val="15.0425,26.2"/>
+        <dia:point val="15.0425,26.2"/>
+        <dia:point val="15.0424,27.975"/>
+        <dia:point val="15.0424,27.975"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="0"/>
@@ -374,7 +374,7 @@ raise an error#</dia:string>
         <dia:point val="24.6,5.2"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="24.6,4.62;25.7375,5.3375"/>
+        <dia:rectangle val="24.6,4.605;25.8175,5.35"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -407,7 +407,7 @@ raise an error#</dia:string>
         <dia:point val="12.15,2.5"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="12.15,1.92;13.5,2.6375"/>
+        <dia:rectangle val="12.15,1.905;13.7125,2.65"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -440,7 +440,7 @@ raise an error#</dia:string>
         <dia:point val="6.135,4.95"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="6.135,4.37;12.86,7.4875"/>
+        <dia:rectangle val="6.135,4.355;13.6375,7.5"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -476,7 +476,7 @@ at a folder containing
         <dia:point val="16.4,5.9"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="16.4,5.32;17.5725,6.0375"/>
+        <dia:rectangle val="16.4,5.305;17.71,6.05"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -509,7 +509,7 @@ at a folder containing
         <dia:point val="13.2757,8.25"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="13.2757,7.67;13.9857,8.3875"/>
+        <dia:rectangle val="13.2757,7.655;14.0732,8.4"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -542,7 +542,7 @@ at a folder containing
         <dia:point val="16.4,10.45"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="16.4,9.87;17.5725,10.5875"/>
+        <dia:rectangle val="16.4,9.855;17.71,10.6"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -575,7 +575,7 @@ at a folder containing
         <dia:point val="13.2757,27"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="13.2757,26.42;13.9857,27.1375"/>
+        <dia:rectangle val="13.2757,26.405;14.0732,27.15"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -605,13 +605,13 @@ at a folder containing
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O17">
       <dia:attribute name="obj_pos">
-        <dia:point val="18.1687,29.275"/>
+        <dia:point val="18.5649,29.275"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="18.1187,7.1632;25.4618,29.325"/>
+        <dia:rectangle val="18.5149,7.1632;25.4618,29.325"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="18.1687,29.275"/>
+        <dia:point val="18.5649,29.275"/>
         <dia:point val="25.1,29.275"/>
         <dia:point val="25.1,7.275"/>
       </dia:attribute>
@@ -638,16 +638,16 @@ at a folder containing
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O18">
       <dia:attribute name="obj_pos">
-        <dia:point val="14.04,9.97571"/>
+        <dia:point val="14.0425,9.97571"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="13.9692,9.905;16.1107,12.0464"/>
+        <dia:rectangle val="13.9717,9.905;16.1132,12.0464"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="14.04,9.97571"/>
+        <dia:point val="14.0425,9.97571"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -667,7 +667,7 @@ at a folder containing
         <dia:point val="6.135,10.2"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="6.135,9.62;12.595,11.9375"/>
+        <dia:rectangle val="6.135,9.605;13.575,11.95"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -699,13 +699,13 @@ named 'waflib' ?#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O20">
       <dia:attribute name="obj_pos">
-        <dia:point val="16.04,10.9757"/>
+        <dia:point val="16.0425,10.9757"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="15.99,7.1632;25.4618,11.0257"/>
+        <dia:rectangle val="15.9925,7.1632;25.4618,11.0257"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="16.04,10.9757"/>
+        <dia:point val="16.0425,10.9757"/>
         <dia:point val="25.1,10.9757"/>
         <dia:point val="25.1,7.275"/>
       </dia:attribute>
@@ -732,19 +732,19 @@ named 'waflib' ?#</dia:string>
     </dia:object>
     <dia:object type="UML - Activity" version="0" id="O21">
       <dia:attribute name="obj_pos">
-        <dia:point val="11.0437,19.65"/>
+        <dia:point val="10.4937,19.3"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="10.9937,19.6;19.0862,22.3"/>
+        <dia:rectangle val="10.4437,19.25;19.6412,21.95"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="11.0437,19.65"/>
+        <dia:point val="10.4937,19.3"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
-        <dia:real val="7.9924999999999997"/>
+        <dia:real val="9.0975000000000001"/>
       </dia:attribute>
       <dia:attribute name="elem_height">
         <dia:real val="2.6000000000000001"/>
@@ -768,7 +768,7 @@ stream contained in 'waf'#</dia:string>
             <dia:real val="0.80000000000000004"/>
           </dia:attribute>
           <dia:attribute name="pos">
-            <dia:point val="15.04,20.73"/>
+            <dia:point val="15.0424,20.395"/>
           </dia:attribute>
           <dia:attribute name="color">
             <dia:color val="#000000"/>
@@ -784,7 +784,7 @@ stream contained in 'waf'#</dia:string>
         <dia:point val="16.4,24.15"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="16.4,23.57;17.5725,24.2875"/>
+        <dia:rectangle val="16.4,23.555;17.71,24.3"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -814,16 +814,16 @@ stream contained in 'waf'#</dia:string>
     </dia:object>
     <dia:object type="UML - Branch" version="0" id="O23">
       <dia:attribute name="obj_pos">
-        <dia:point val="14.04,14.7257"/>
+        <dia:point val="14.0425,14.7257"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="13.9692,14.655;16.1107,16.7964"/>
+        <dia:rectangle val="13.9717,14.655;16.1132,16.7964"/>
       </dia:attribute>
       <dia:attribute name="meta">
         <dia:composite type="dict"/>
       </dia:attribute>
       <dia:attribute name="elem_corner">
-        <dia:point val="14.04,14.7257"/>
+        <dia:point val="14.0425,14.7257"/>
       </dia:attribute>
       <dia:attribute name="elem_width">
         <dia:real val="2"/>
@@ -843,7 +843,7 @@ stream contained in 'waf'#</dia:string>
         <dia:point val="16.2,14.8"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="16.2,14.22;17.3725,14.9375"/>
+        <dia:rectangle val="16.2,14.205;17.51,14.95"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -876,7 +876,7 @@ stream contained in 'waf'#</dia:string>
         <dia:point val="13.285,12.75"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="13.285,12.17;13.995,12.8875"/>
+        <dia:rectangle val="13.285,12.155;14.0825,12.9"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -909,7 +909,7 @@ stream contained in 'waf'#</dia:string>
         <dia:point val="13.285,17.105"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="13.285,16.525;13.995,17.2425"/>
+        <dia:rectangle val="13.285,16.51;14.0825,17.255"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -942,7 +942,7 @@ stream contained in 'waf'#</dia:string>
         <dia:point val="6.135,14.75"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="6.135,14.17;11.8675,17.2875"/>
+        <dia:rectangle val="6.135,14.155;12.6625,17.3"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -975,14 +975,14 @@ extracted from the
     </dia:object>
     <dia:object type="Standard - Line" version="0" id="O28">
       <dia:attribute name="obj_pos">
-        <dia:point val="15.04,16.7257"/>
+        <dia:point val="15.0425,16.7257"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.6781,16.6757;15.4018,19.7618"/>
+        <dia:rectangle val="14.6806,16.6757;15.4043,19.4118"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
-        <dia:point val="15.04,16.7257"/>
-        <dia:point val="15.04,19.65"/>
+        <dia:point val="15.0425,16.7257"/>
+        <dia:point val="15.0424,19.3"/>
       </dia:attribute>
       <dia:attribute name="numcp">
         <dia:int val="1"/>
@@ -1003,16 +1003,16 @@ extracted from the
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O29">
       <dia:attribute name="obj_pos">
-        <dia:point val="15.04,22.25"/>
+        <dia:point val="15.0424,21.9"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.4281,22.25;15.1518,24.5618"/>
+        <dia:rectangle val="14.4306,21.9;15.1543,24.5618"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="15.04,22.25"/>
-        <dia:point val="15.04,22.25"/>
-        <dia:point val="15.04,24.2"/>
-        <dia:point val="15.04,24.2"/>
+        <dia:point val="15.0424,21.9"/>
+        <dia:point val="15.0424,21.9"/>
+        <dia:point val="15.0425,24.2"/>
+        <dia:point val="15.0425,24.2"/>
       </dia:attribute>
       <dia:attribute name="orth_orient">
         <dia:enum val="0"/>
@@ -1038,13 +1038,13 @@ extracted from the
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O30">
       <dia:attribute name="obj_pos">
-        <dia:point val="16.04,25.2"/>
+        <dia:point val="16.0425,25.2"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="15.99,7.1632;25.4618,25.25"/>
+        <dia:rectangle val="15.9925,7.1632;25.4618,25.25"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="16.04,25.2"/>
+        <dia:point val="16.0425,25.2"/>
         <dia:point val="25.1,25.2"/>
         <dia:point val="25.1,7.275"/>
       </dia:attribute>
@@ -1074,7 +1074,7 @@ extracted from the
         <dia:point val="6.135,24.3875"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="6.135,23.8075;11.1075,25.325"/>
+        <dia:rectangle val="6.135,23.7925;11.8675,25.3375"/>
       </dia:attribute>
       <dia:attribute name="text">
         <dia:composite type="text">
@@ -1105,13 +1105,13 @@ usable?#</dia:string>
     </dia:object>
     <dia:object type="Standard - ZigZagLine" version="1" id="O32">
       <dia:attribute name="obj_pos">
-        <dia:point val="16.04,15.7257"/>
+        <dia:point val="16.0425,15.7257"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="15.99,7.1632;25.4618,15.7757"/>
+        <dia:rectangle val="15.9925,7.1632;25.4618,15.7757"/>
       </dia:attribute>
       <dia:attribute name="orth_points">
-        <dia:point val="16.04,15.7257"/>
+        <dia:point val="16.0425,15.7257"/>
         <dia:point val="25.1,15.7257"/>
         <dia:point val="25.1,7.275"/>
       </dia:attribute>