[dia] Some notes about DiaObject implementation

From: Hans Breuer <hans src gnome org>
To: svn-commits-list gnome org
Cc:
Subject: [dia] Some notes about DiaObject implementation
Date: Fri, 23 Oct 2009 11:44:34 +0000 (UTC)
commit 6887c7c4c35a918cedfdb8681b391a1206274a04
Author: Hans Breuer <hans breuer org>
Date:   Sun Oct 4 19:24:59 2009 +0200

    Some notes about DiaObject implementation
    
    May help when implmenting a new object and should be considered
    when gobjectification of DiaObject is happening.

 samples/Self/dia-object.dia | 4863 +++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 4863 insertions(+), 0 deletions(-)
---
diff --git a/samples/Self/dia-object.dia b/samples/Self/dia-object.dia
new file mode 100644
index 0000000..9ce6620
--- /dev/null
+++ b/samples/Self/dia-object.dia
@@ -0,0 +1,4863 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<dia:diagram xmlns:dia="http://www.lysator.liu.se/~alla/dia/";>
+  <dia:diagramdata>
+    <dia:attribute name="background">
+      <dia:color val="#ffffff"/>
+    </dia:attribute>
+    <dia:attribute name="pagebreak">
+      <dia:color val="#000099"/>
+    </dia:attribute>
+    <dia:attribute name="paper">
+      <dia:composite type="paper">
+        <dia:attribute name="name">
+          <dia:string>#A4#</dia:string>
+        </dia:attribute>
+        <dia:attribute name="tmargin">
+          <dia:real val="2.8222000598907471"/>
+        </dia:attribute>
+        <dia:attribute name="bmargin">
+          <dia:real val="2.8222000598907471"/>
+        </dia:attribute>
+        <dia:attribute name="lmargin">
+          <dia:real val="2.8222000598907471"/>
+        </dia:attribute>
+        <dia:attribute name="rmargin">
+          <dia:real val="2.8222000598907471"/>
+        </dia:attribute>
+        <dia:attribute name="is_portrait">
+          <dia:boolean val="false"/>
+        </dia:attribute>
+        <dia:attribute name="scaling">
+          <dia:real val="0.31999999284744263"/>
+        </dia:attribute>
+        <dia:attribute name="fitto">
+          <dia:boolean val="false"/>
+        </dia:attribute>
+      </dia:composite>
+    </dia:attribute>
+    <dia:attribute name="grid">
+      <dia:composite type="grid">
+        <dia:attribute name="width_x">
+          <dia:real val="1"/>
+        </dia:attribute>
+        <dia:attribute name="width_y">
+          <dia:real val="1"/>
+        </dia:attribute>
+        <dia:attribute name="visible_x">
+          <dia:int val="1"/>
+        </dia:attribute>
+        <dia:attribute name="visible_y">
+          <dia:int val="1"/>
+        </dia:attribute>
+        <dia:composite type="color"/>
+      </dia:composite>
+    </dia:attribute>
+    <dia:attribute name="color">
+      <dia:color val="#d8e5e5"/>
+    </dia:attribute>
+    <dia:attribute name="guides">
+      <dia:composite type="guides">
+        <dia:attribute name="hguides"/>
+        <dia:attribute name="vguides"/>
+      </dia:composite>
+    </dia:attribute>
+  </dia:diagramdata>
+  <dia:layer name="Background" visible="true" active="true">
+    <dia:object type="UML - Class" version="0" id="O0">
+      <dia:attribute name="obj_pos">
+        <dia:point val="13,2"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="12.95,1.95;35.05,15.75"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="13,2"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="22"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="13.699999999999999"/>
+      </dia:attribute>
+      <dia:attribute name="name">
+        <dia:string>#DiaObjectType#</dia:string>
+      </dia:attribute>
+      <dia:attribute name="stereotype">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="comment">
+        <dia:string>#Factory for DiaObject#</dia:string>
+      </dia:attribute>
+      <dia:attribute name="abstract">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="suppress_attributes">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="suppress_operations">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="visible_attributes">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="visible_operations">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="visible_comments">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="wrap_operations">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="wrap_after_char">
+        <dia:int val="32"/>
+      </dia:attribute>
+      <dia:attribute name="comment_line_length">
+        <dia:int val="51"/>
+      </dia:attribute>
+      <dia:attribute name="comment_tagging">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="allow_resizing">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000000000001"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_color">
+        <dia:color val="#ffffff"/>
+      </dia:attribute>
+      <dia:attribute name="text_color">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="normal_font">
+        <dia:font family="monospace" style="0" name="Courier"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_font">
+        <dia:font family="monospace" style="88" name="Courier-BoldOblique"/>
+      </dia:attribute>
+      <dia:attribute name="polymorphic_font">
+        <dia:font family="monospace" style="8" name="Courier-Oblique"/>
+      </dia:attribute>
+      <dia:attribute name="classname_font">
+        <dia:font family="sans" style="80" name="Helvetica-Bold"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_classname_font">
+        <dia:font family="sans" style="88" name="Helvetica-BoldOblique"/>
+      </dia:attribute>
+      <dia:attribute name="comment_font">
+        <dia:font family="sans" style="8" name="Helvetica-Oblique"/>
+      </dia:attribute>
+      <dia:attribute name="normal_font_height">
+        <dia:real val="0.80000000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="polymorphic_font_height">
+        <dia:real val="0.80000000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_font_height">
+        <dia:real val="0.80000000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="classname_font_height">
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_classname_font_height">
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="comment_font_height">
+        <dia:real val="0.69999999999999996"/>
+      </dia:attribute>
+      <dia:attribute name="attributes">
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#name#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#const char*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#version#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#const int#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#pixmap#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#const char**#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#ops#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#const DiaObjectTypeOps*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#pixmap_file#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#const char*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#user_data#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#const void*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="operations">
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#create#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#DiaObject*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters">
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#startpoint#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#Point*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#user_data#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#void*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#handle1#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#Handle**#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#handle2#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#Handle**#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#load#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#DiaObject*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters">
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#node#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#ObjectNode#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#version#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#int#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#filename#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#const char*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#save#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#void#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters">
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#obj#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#DiaObject*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#node#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#ObjectNode#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#filename#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#const char*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#get_defaults#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#GtkWidget*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters"/>
+        </dia:composite>
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#apply_defaults#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#void#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters"/>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="template">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="templates"/>
+    </dia:object>
+    <dia:object type="UML - Note" version="0" id="O1">
+      <dia:attribute name="obj_pos">
+        <dia:point val="1,5"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="0.95,4.95;10.72,7.55"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="1,5"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="9.6699999999999999"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="2.5"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#ffc0cb"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#object_load_using_properties()
+has a different signature!#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="Arial" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="1.35,6.23"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O2">
+      <dia:attribute name="obj_pos">
+        <dia:point val="7.71371,7.54792"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="7.67893,7.51315;13.046,11.2348"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="7.71371,7.54792"/>
+        <dia:point val="13,11.2"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.05000000074505806"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="1"/>
+      </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="O1" connection="8"/>
+        <dia:connection handle="1" to="O0" connection="22"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Note" version="0" id="O3">
+      <dia:attribute name="obj_pos">
+        <dia:point val="1,9"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="0.95,8.95;10.865,12.35"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="1,9"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="9.8150000000000013"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="3.3000000000000003"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#ffbf80"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#object_save_using_properties()
+can be used as default impl.
+Why is this a type function?#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="Arial" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="1.35,10.23"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O4">
+      <dia:attribute name="obj_pos">
+        <dia:point val="10.8654,12.1529"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="10.8342,12.1217;13.0535,12.9257"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="10.8654,12.1529"/>
+        <dia:point val="13,12.8"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.05000000074505806"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="1"/>
+      </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="O3" connection="8"/>
+        <dia:connection handle="1" to="O0" connection="24"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Note" version="0" id="O5">
+      <dia:attribute name="obj_pos">
+        <dia:point val="1,14"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="0.95,13.95;10.3725,17.35"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="1,14"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="9.3224999999999998"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="3.3000000000000003"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#ffff80"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#optional here, default impl. 
+when NULL; not implemented
+anywhere any longer.#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="Arial" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="1.35,15.23"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O6">
+      <dia:attribute name="obj_pos">
+        <dia:point val="10.3716,14.8477"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="10.3428,14.2018;13.0551,14.8765"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="10.3716,14.8477"/>
+        <dia:point val="13,14.4"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.05000000074505806"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="1"/>
+      </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="O5" connection="8"/>
+        <dia:connection handle="1" to="O0" connection="26"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O7">
+      <dia:attribute name="obj_pos">
+        <dia:point val="10.3716,15.3612"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="10.3451,14.9422;13.0558,15.522"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="10.3716,15.3612"/>
+        <dia:point val="13,15.2"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.05000000074505806"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="1"/>
+      </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="O5" connection="8"/>
+        <dia:connection handle="1" to="O0" connection="28"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Note" version="0" id="O8">
+      <dia:attribute name="obj_pos">
+        <dia:point val="37,1"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="36.95,0.95;44.215,2.75"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="37,1"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="7.1649999999999991"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="1.7000000000000002"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#ffff80"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#&lt;Package&gt; - &lt;Name&gt;#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="Arial" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="37.35,2.23"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O9">
+      <dia:attribute name="obj_pos">
+        <dia:point val="38.7555,2.74999"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="34.9499,2.71652;38.789,4.63679"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="38.7555,2.74999"/>
+        <dia:point val="35,4.6"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.05000000074505806"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="1"/>
+      </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="O8" connection="8"/>
+        <dia:connection handle="1" to="O0" connection="9"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Note" version="0" id="O10">
+      <dia:attribute name="obj_pos">
+        <dia:point val="45,2"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="44.95,1.95;50.46,3.75"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="45,2"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="5.4099999999999993"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="1.7000000000000002"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#ffff80"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#inline XPM or ...#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="Arial" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="45.35,3.23"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O11">
+      <dia:attribute name="obj_pos">
+        <dia:point val="44.9498,3.57647"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="34.9459,3.54593;44.9804,6.347"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="44.9498,3.57647"/>
+        <dia:point val="35,6.2"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.05000000074505806"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="1"/>
+      </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="O10" connection="8"/>
+        <dia:connection handle="1" to="O0" connection="13"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Note" version="0" id="O12">
+      <dia:attribute name="obj_pos">
+        <dia:point val="51,3"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="50.95,2.95;55.08,4.75"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="51,3"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="4.0299999999999994"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="1.7000000000000002"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#ffff80"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#... filename#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="Arial" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="51.35,4.23"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O13">
+      <dia:attribute name="obj_pos">
+        <dia:point val="50.9498,4.30283"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="34.9454,4.27305;50.9795,7.97127"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="50.9498,4.30283"/>
+        <dia:point val="35,7.8"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.05000000074505806"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="1"/>
+      </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="O12" connection="8"/>
+        <dia:connection handle="1" to="O0" connection="17"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Note" version="0" id="O14">
+      <dia:attribute name="obj_pos">
+        <dia:point val="48,6"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="47.95,5.95;57.085,9.35"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="48,6"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="9.0350000000000001"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="3.3000000000000003"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#ffff80"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#Can be used for different
+default intializations selected
+by a sheet parameter.#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="Arial" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="48.35,7.23"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O15">
+      <dia:attribute name="obj_pos">
+        <dia:point val="47.9585,7.89724"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="34.9442,7.87092;47.9848,8.86159"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="47.9585,7.89724"/>
+        <dia:point val="35,8.6"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.05000000074505806"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="1"/>
+      </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="O14" connection="8"/>
+        <dia:connection handle="1" to="O0" connection="19"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Class" version="0" id="O16">
+      <dia:attribute name="obj_pos">
+        <dia:point val="39,22"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="38.95,21.95;69.05,45.35"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="39,22"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="30"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="23.300000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="name">
+        <dia:string>#DiaObject#</dia:string>
+      </dia:attribute>
+      <dia:attribute name="stereotype">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="comment">
+        <dia:string>#Base class for every object to place use in a diagram#</dia:string>
+      </dia:attribute>
+      <dia:attribute name="abstract">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="suppress_attributes">
+        <dia:boolean val="false"/>
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+      <dia:attribute name="suppress_operations">
+        <dia:boolean val="false"/>
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+      <dia:attribute name="visible_attributes">
+        <dia:boolean val="true"/>
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+      <dia:attribute name="visible_operations">
+        <dia:boolean val="true"/>
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+      <dia:attribute name="visible_comments">
+        <dia:boolean val="true"/>
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+      <dia:attribute name="wrap_operations">
+        <dia:boolean val="true"/>
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+      <dia:attribute name="wrap_after_char">
+        <dia:int val="44"/>
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+      <dia:attribute name="comment_line_length">
+        <dia:int val="72"/>
+      </dia:attribute>
+      <dia:attribute name="comment_tagging">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="allow_resizing">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000000000001"/>
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+      <dia:attribute name="line_color">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_color">
+        <dia:color val="#ffffff"/>
+      </dia:attribute>
+      <dia:attribute name="text_color">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="normal_font">
+        <dia:font family="monospace" style="0" name="Courier"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_font">
+        <dia:font family="monospace" style="8" name="Courier-Oblique"/>
+      </dia:attribute>
+      <dia:attribute name="polymorphic_font">
+        <dia:font family="monospace" style="8" name="Courier-Oblique"/>
+      </dia:attribute>
+      <dia:attribute name="classname_font">
+        <dia:font family="sans" style="80" name="Helvetica-Bold"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_classname_font">
+        <dia:font family="sans" style="88" name="Helvetica-BoldOblique"/>
+      </dia:attribute>
+      <dia:attribute name="comment_font">
+        <dia:font family="sans" style="8" name="Helvetica-Oblique"/>
+      </dia:attribute>
+      <dia:attribute name="normal_font_height">
+        <dia:real val="0.80000000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="polymorphic_font_height">
+        <dia:real val="0.80000000000000004"/>
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+      <dia:attribute name="abstract_font_height">
+        <dia:real val="0.80000000000000004"/>
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+      <dia:attribute name="classname_font_height">
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_classname_font_height">
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="comment_font_height">
+        <dia:real val="0.69999999999999996"/>
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+      <dia:attribute name="attributes">
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#type#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#ObjectType*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
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+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#position#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#Point#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
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+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
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+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
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+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#bounding_box#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#Rectangle#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
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+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
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+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
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+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#num_handles#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#int#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
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+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#handles#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#Handle**#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
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+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
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+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
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+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#num_connections#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#int#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
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+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
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+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
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+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#connections#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#ConectionPoint**#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
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+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
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+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
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+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#ops#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#ObjectOps*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
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+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
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+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
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+          <dia:attribute name="class_scope">
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+      </dia:attribute>
+      <dia:attribute name="operations">
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#destroy#</dia:string>
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+          <dia:attribute name="stereotype">
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+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#void#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
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+          <dia:attribute name="comment">
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+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
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+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
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+          <dia:attribute name="query">
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+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
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+          <dia:attribute name="parameters">
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#obj#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#DiaObject*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
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+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
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+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#draw#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
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+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
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+          <dia:attribute name="comment">
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+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
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+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
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+              <dia:attribute name="type">
+                <dia:string>#DiaObject*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
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+              </dia:attribute>
+              <dia:attribute name="comment">
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+              <dia:attribute name="kind">
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+              <dia:attribute name="name">
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+              <dia:attribute name="type">
+                <dia:string>#Renderer*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
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+              <dia:attribute name="comment">
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+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
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+        <dia:composite type="umloperation">
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+          <dia:attribute name="stereotype">
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+          <dia:attribute name="type">
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+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
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+          <dia:attribute name="comment">
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+            <dia:boolean val="false"/>
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+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
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+              <dia:attribute name="type">
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+              <dia:attribute name="value">
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+              <dia:attribute name="comment">
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+              <dia:attribute name="kind">
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+              <dia:attribute name="type">
+                <dia:string>#Point*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
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+              <dia:attribute name="comment">
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+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
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+        <dia:composite type="umloperation">
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+          <dia:attribute name="stereotype">
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+          <dia:attribute name="type">
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+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
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+          <dia:attribute name="comment">
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+              <dia:attribute name="value">
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+              <dia:attribute name="comment">
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+              <dia:attribute name="kind">
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+              <dia:attribute name="type">
+                <dia:string>#Point*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
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+              <dia:attribute name="comment">
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+              <dia:attribute name="kind">
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+              <dia:attribute name="name">
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+              <dia:attribute name="type">
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+              <dia:attribute name="value">
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+              <dia:attribute name="comment">
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+          <dia:attribute name="visibility">
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+              <dia:attribute name="comment">
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+            <dia:enum val="0"/>
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+          <dia:attribute name="comment">
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+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#move_handle#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#ObjectChange*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters">
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#obj#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#DiaObject*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#handle#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#Handle*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#pos#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#Point*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#reason#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#HandleMoveReason#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#modifiers#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#ModifierKeys#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#get_properties#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#GtkWidget*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters">
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#obj#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#DiaObject*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#apply_properties_from_dialog#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#ObjectChange*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters">
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#obj#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#DiaObject*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#widget#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#GtkWidget*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#get_object_menu#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#DiaMenu*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters">
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#obj#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#DiaObject*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#position#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#Point*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#describe_props#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#PropDescription*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters">
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#obj#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#DiaObject*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#get_props#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#void#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters">
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#obj#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#DiaObject*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#props#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#GPtrArray*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#set_props#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#void#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters">
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#obj#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#DiaObject*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#props#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#GPtrArray*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#edit_text#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#gboolean#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters">
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#obj#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#DiaObject*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#text#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#Text*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#state#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#TextEditSate#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#textchange#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#gchar*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#update_data#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#void#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="1"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters">
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#obj#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#DiaObject*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="template">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="templates"/>
+    </dia:object>
+    <dia:object type="UML - Note" version="0" id="O17">
+      <dia:attribute name="obj_pos">
+        <dia:point val="22,44"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="21.95,43.95;35.7625,47.35"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="22,44"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="13.7125"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="3.3000000000000003"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#ffff80"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#Not yet part of the vtable but implemented
+in every object nevertheless. To put StdProps
+methods in the base class this is needed.#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="Arial" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="22.35,45.23"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O18">
+      <dia:attribute name="obj_pos">
+        <dia:point val="35.7125,45.65"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="35.682,44.6502;39.0541,45.6805"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="35.7125,45.65"/>
+        <dia:point val="39,44.8"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.05000000074505806"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="1"/>
+      </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="O17" connection="4"/>
+        <dia:connection handle="1" to="O16" connection="52"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Class" version="0" id="O19">
+      <dia:attribute name="obj_pos">
+        <dia:point val="4,21"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="3.95,20.95;20.05,28.45"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="4,21"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="16"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="7.3999999999999995"/>
+      </dia:attribute>
+      <dia:attribute name="name">
+        <dia:string>#DiaMenuItem#</dia:string>
+      </dia:attribute>
+      <dia:attribute name="stereotype">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="comment">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="abstract">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="suppress_attributes">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="suppress_operations">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="visible_attributes">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="visible_operations">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="visible_comments">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="wrap_operations">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="wrap_after_char">
+        <dia:int val="32"/>
+      </dia:attribute>
+      <dia:attribute name="comment_line_length">
+        <dia:int val="17"/>
+      </dia:attribute>
+      <dia:attribute name="comment_tagging">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="allow_resizing">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000000000001"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_color">
+        <dia:color val="#ffffff"/>
+      </dia:attribute>
+      <dia:attribute name="text_color">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="normal_font">
+        <dia:font family="monospace" style="0" name="Courier"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_font">
+        <dia:font family="monospace" style="88" name="Courier-BoldOblique"/>
+      </dia:attribute>
+      <dia:attribute name="polymorphic_font">
+        <dia:font family="monospace" style="8" name="Courier-Oblique"/>
+      </dia:attribute>
+      <dia:attribute name="classname_font">
+        <dia:font family="sans" style="80" name="Helvetica-Bold"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_classname_font">
+        <dia:font family="sans" style="88" name="Helvetica-BoldOblique"/>
+      </dia:attribute>
+      <dia:attribute name="comment_font">
+        <dia:font family="sans" style="8" name="Helvetica-Oblique"/>
+      </dia:attribute>
+      <dia:attribute name="normal_font_height">
+        <dia:real val="0.80000000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="polymorphic_font_height">
+        <dia:real val="0.80000000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_font_height">
+        <dia:real val="0.80000000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="classname_font_height">
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_classname_font_height">
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="comment_font_height">
+        <dia:real val="0.69999999999999996"/>
+      </dia:attribute>
+      <dia:attribute name="attributes">
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#text#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#char*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#callback#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#DiaMenuCallback#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#callback_data#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#gpointer#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#active#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#int#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>#actually flags, rename some day#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#app_data#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#void*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="operations">
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#callback#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#ObjectChange*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters">
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#obj#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#DiaObject*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#pos#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#Point*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#data#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#gpointer#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="template">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="templates"/>
+    </dia:object>
+    <dia:object type="UML - Class" version="0" id="O20">
+      <dia:attribute name="obj_pos">
+        <dia:point val="4,32"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="3.95,31.95;20.05,39.35"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="4,32"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="16"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="7.2999999999999998"/>
+      </dia:attribute>
+      <dia:attribute name="name">
+        <dia:string>#DiaMenu#</dia:string>
+      </dia:attribute>
+      <dia:attribute name="stereotype">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="comment">
+        <dia:string>#menu info to construct context menu#</dia:string>
+      </dia:attribute>
+      <dia:attribute name="abstract">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="suppress_attributes">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="suppress_operations">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="visible_attributes">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="visible_operations">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="visible_comments">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="wrap_operations">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="wrap_after_char">
+        <dia:int val="40"/>
+      </dia:attribute>
+      <dia:attribute name="comment_line_length">
+        <dia:int val="40"/>
+      </dia:attribute>
+      <dia:attribute name="comment_tagging">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="allow_resizing">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000000000001"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_color">
+        <dia:color val="#ffffff"/>
+      </dia:attribute>
+      <dia:attribute name="text_color">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="normal_font">
+        <dia:font family="monospace" style="0" name="Courier"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_font">
+        <dia:font family="monospace" style="88" name="Courier-BoldOblique"/>
+      </dia:attribute>
+      <dia:attribute name="polymorphic_font">
+        <dia:font family="monospace" style="8" name="Courier-Oblique"/>
+      </dia:attribute>
+      <dia:attribute name="classname_font">
+        <dia:font family="sans" style="80" name="Helvetica-Bold"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_classname_font">
+        <dia:font family="sans" style="88" name="Helvetica-BoldOblique"/>
+      </dia:attribute>
+      <dia:attribute name="comment_font">
+        <dia:font family="sans" style="8" name="Helvetica-Oblique"/>
+      </dia:attribute>
+      <dia:attribute name="normal_font_height">
+        <dia:real val="0.80000000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="polymorphic_font_height">
+        <dia:real val="0.80000000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_font_height">
+        <dia:real val="0.80000000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="classname_font_height">
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_classname_font_height">
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="comment_font_height">
+        <dia:real val="0.69999999999999996"/>
+      </dia:attribute>
+      <dia:attribute name="attributes">
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#title#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#char*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#num_items#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#int#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#items#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#DiaMenuItem*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#app_data#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#void*#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umlattribute">
+          <dia:attribute name="name">
+            <dia:string>#app_data_free#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#DiaMenuAppDataFree#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="value">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="operations">
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#app_data_free#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#void#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters">
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#menu#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#DiaMenu*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="template">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="templates"/>
+    </dia:object>
+    <dia:object type="UML - Association" version="2" id="O21">
+      <dia:attribute name="name">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="direction">
+        <dia:enum val="1"/>
+      </dia:attribute>
+      <dia:attribute name="show_direction">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="assoc_type">
+        <dia:enum val="1"/>
+      </dia:attribute>
+      <dia:attribute name="role_a">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="multipicity_a">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="visibility_a">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_arrow_a">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="role_b">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="multipicity_b">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="visibility_b">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_arrow_b">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="obj_pos">
+        <dia:point val="20,36.2"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="1.95,20.9;22.05,37"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="orth_points">
+        <dia:point val="20,36.2"/>
+        <dia:point val="22,36.2"/>
+        <dia:point val="22,29.95"/>
+        <dia:point val="2,29.95"/>
+        <dia:point val="2,21.7"/>
+        <dia:point val="4,21.7"/>
+      </dia:attribute>
+      <dia:attribute name="orth_orient">
+        <dia:enum val="0"/>
+        <dia:enum val="1"/>
+        <dia:enum val="0"/>
+        <dia:enum val="1"/>
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="orth_autoroute">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="text_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O20" connection="13"/>
+        <dia:connection handle="1" to="O19" connection="3"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Association" version="2" id="O22">
+      <dia:attribute name="name">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="direction">
+        <dia:enum val="1"/>
+      </dia:attribute>
+      <dia:attribute name="show_direction">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="assoc_type">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="role_a">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="multipicity_a">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="visibility_a">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_arrow_a">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="role_b">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="multipicity_b">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="visibility_b">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_arrow_b">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="obj_pos">
+        <dia:point val="39,40"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="1.95,32.25;39.05,40.8"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="orth_points">
+        <dia:point val="39,40"/>
+        <dia:point val="2,40"/>
+        <dia:point val="2,33.05"/>
+        <dia:point val="4,33.05"/>
+      </dia:attribute>
+      <dia:attribute name="orth_orient">
+        <dia:enum val="0"/>
+        <dia:enum val="1"/>
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="orth_autoroute">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="text_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O16" connection="42"/>
+        <dia:connection handle="1" to="O20" connection="3"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Class" version="0" id="O23">
+      <dia:attribute name="obj_pos">
+        <dia:point val="60,6"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="59.95,5.95;72.05,9.65"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="60,6"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="12"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="3.5999999999999996"/>
+      </dia:attribute>
+      <dia:attribute name="name">
+        <dia:string>#PropDescription#</dia:string>
+      </dia:attribute>
+      <dia:attribute name="stereotype">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="comment">
+        <dia:string>#used to build a NULL terminated array describing the object properties#</dia:string>
+      </dia:attribute>
+      <dia:attribute name="abstract">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="suppress_attributes">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="suppress_operations">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="visible_attributes">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="visible_operations">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="visible_comments">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="wrap_operations">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="wrap_after_char">
+        <dia:int val="40"/>
+      </dia:attribute>
+      <dia:attribute name="comment_line_length">
+        <dia:int val="42"/>
+      </dia:attribute>
+      <dia:attribute name="comment_tagging">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="allow_resizing">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000000000001"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_color">
+        <dia:color val="#ffffff"/>
+      </dia:attribute>
+      <dia:attribute name="text_color">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="normal_font">
+        <dia:font family="monospace" style="0" name="Courier"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_font">
+        <dia:font family="monospace" style="88" name="Courier-BoldOblique"/>
+      </dia:attribute>
+      <dia:attribute name="polymorphic_font">
+        <dia:font family="monospace" style="8" name="Courier-Oblique"/>
+      </dia:attribute>
+      <dia:attribute name="classname_font">
+        <dia:font family="sans" style="80" name="Helvetica-Bold"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_classname_font">
+        <dia:font family="sans" style="88" name="Helvetica-BoldOblique"/>
+      </dia:attribute>
+      <dia:attribute name="comment_font">
+        <dia:font family="sans" style="8" name="Helvetica-Oblique"/>
+      </dia:attribute>
+      <dia:attribute name="normal_font_height">
+        <dia:real val="0.80000000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="polymorphic_font_height">
+        <dia:real val="0.80000000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_font_height">
+        <dia:real val="0.80000000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="classname_font_height">
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_classname_font_height">
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="comment_font_height">
+        <dia:real val="0.69999999999999996"/>
+      </dia:attribute>
+      <dia:attribute name="attributes"/>
+      <dia:attribute name="operations"/>
+      <dia:attribute name="template">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="templates"/>
+    </dia:object>
+    <dia:object type="UML - Association" version="2" id="O24">
+      <dia:attribute name="name">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="direction">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_direction">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="assoc_type">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="role_a">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="multipicity_a">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="visibility_a">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_arrow_a">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="role_b">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="multipicity_b">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="visibility_b">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_arrow_b">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="obj_pos">
+        <dia:point val="69,40.8"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="68.95,6.6;74.1,41.6"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="orth_points">
+        <dia:point val="69,40.8"/>
+        <dia:point val="74,40.8"/>
+        <dia:point val="74,7.4"/>
+        <dia:point val="72,7.4"/>
+      </dia:attribute>
+      <dia:attribute name="orth_orient">
+        <dia:enum val="0"/>
+        <dia:enum val="1"/>
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="orth_autoroute">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="text_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O16" connection="45"/>
+        <dia:connection handle="1" to="O23" connection="4"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Note" version="0" id="O25">
+      <dia:attribute name="obj_pos">
+        <dia:point val="9,41"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="8.95,40.95;20.93,44.35"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="9,41"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="11.880000000000001"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="3.3000000000000003"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#ffc0cb"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#Prototype: not implemented anywhere
+Issues: ObjectChange? state seems to
+duplicate something from selectf()#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="Arial" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="9.35,42.23"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O26">
+      <dia:attribute name="obj_pos">
+        <dia:point val="20.9293,42.7869"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="20.9037,42.7613;39.0559,43.4784"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="20.9293,42.7869"/>
+        <dia:point val="39,43.2"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.05000000074505806"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="1"/>
+      </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="O25" connection="8"/>
+        <dia:connection handle="1" to="O16" connection="50"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Class" version="0" id="O27">
+      <dia:attribute name="obj_pos">
+        <dia:point val="55,11"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="54.95,10.95;69.05,17.75"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="55,11"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="14"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="6.6999999999999993"/>
+      </dia:attribute>
+      <dia:attribute name="name">
+        <dia:string>#ObjectChange#</dia:string>
+      </dia:attribute>
+      <dia:attribute name="stereotype">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="comment">
+        <dia:string>#undo support#</dia:string>
+      </dia:attribute>
+      <dia:attribute name="abstract">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="suppress_attributes">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="suppress_operations">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="visible_attributes">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="visible_operations">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="visible_comments">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="wrap_operations">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="wrap_after_char">
+        <dia:int val="28"/>
+      </dia:attribute>
+      <dia:attribute name="comment_line_length">
+        <dia:int val="40"/>
+      </dia:attribute>
+      <dia:attribute name="comment_tagging">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="allow_resizing">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000000000001"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_color">
+        <dia:color val="#ffffff"/>
+      </dia:attribute>
+      <dia:attribute name="text_color">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="normal_font">
+        <dia:font family="monospace" style="0" name="Courier"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_font">
+        <dia:font family="monospace" style="88" name="Courier-BoldOblique"/>
+      </dia:attribute>
+      <dia:attribute name="polymorphic_font">
+        <dia:font family="monospace" style="8" name="Courier-Oblique"/>
+      </dia:attribute>
+      <dia:attribute name="classname_font">
+        <dia:font family="sans" style="80" name="Helvetica-Bold"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_classname_font">
+        <dia:font family="sans" style="88" name="Helvetica-BoldOblique"/>
+      </dia:attribute>
+      <dia:attribute name="comment_font">
+        <dia:font family="sans" style="8" name="Helvetica-Oblique"/>
+      </dia:attribute>
+      <dia:attribute name="normal_font_height">
+        <dia:real val="0.80000000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="polymorphic_font_height">
+        <dia:real val="0.80000000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_font_height">
+        <dia:real val="0.80000000000000004"/>
+      </dia:attribute>
+      <dia:attribute name="classname_font_height">
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="abstract_classname_font_height">
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="comment_font_height">
+        <dia:real val="0.69999999999999996"/>
+      </dia:attribute>
+      <dia:attribute name="attributes"/>
+      <dia:attribute name="operations">
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#apply#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters">
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#change#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#ObjectChange*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#obj#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#DiaObject*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#revert#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#void#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters">
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#change#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#ObjectChange*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#obj#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#DiaObject*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+          </dia:attribute>
+        </dia:composite>
+        <dia:composite type="umloperation">
+          <dia:attribute name="name">
+            <dia:string>#free#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="stereotype">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="type">
+            <dia:string>#void#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="visibility">
+            <dia:enum val="0"/>
+          </dia:attribute>
+          <dia:attribute name="comment">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="abstract">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="inheritance_type">
+            <dia:enum val="2"/>
+          </dia:attribute>
+          <dia:attribute name="query">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="class_scope">
+            <dia:boolean val="false"/>
+          </dia:attribute>
+          <dia:attribute name="parameters">
+            <dia:composite type="umlparameter">
+              <dia:attribute name="name">
+                <dia:string>#change#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="type">
+                <dia:string>#ObjectChange*#</dia:string>
+              </dia:attribute>
+              <dia:attribute name="value">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="comment">
+                <dia:string>##</dia:string>
+              </dia:attribute>
+              <dia:attribute name="kind">
+                <dia:enum val="0"/>
+              </dia:attribute>
+            </dia:composite>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="template">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="templates"/>
+    </dia:object>
+    <dia:object type="UML - Association" version="2" id="O28">
+      <dia:attribute name="name">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="direction">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_direction">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="assoc_type">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="role_a">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="multipicity_a">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="visibility_a">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_arrow_a">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="role_b">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="multipicity_b">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="visibility_b">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_arrow_b">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="obj_pos">
+        <dia:point val="69,38.4"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="68.95,11.25;73.1,39.2"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="orth_points">
+        <dia:point val="69,38.4"/>
+        <dia:point val="73,38.4"/>
+        <dia:point val="73,12.05"/>
+        <dia:point val="69,12.05"/>
+      </dia:attribute>
+      <dia:attribute name="orth_orient">
+        <dia:enum val="0"/>
+        <dia:enum val="1"/>
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="orth_autoroute">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="text_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O16" connection="41"/>
+        <dia:connection handle="1" to="O27" connection="4"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Association" version="2" id="O29">
+      <dia:attribute name="name">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="direction">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_direction">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="assoc_type">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="role_a">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="multipicity_a">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="visibility_a">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_arrow_a">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="role_b">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="multipicity_b">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="visibility_b">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_arrow_b">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="obj_pos">
+        <dia:point val="69,36"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="68.95,11.25;72.1,36.8"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="orth_points">
+        <dia:point val="69,36"/>
+        <dia:point val="72,36"/>
+        <dia:point val="72,12.05"/>
+        <dia:point val="69,12.05"/>
+      </dia:attribute>
+      <dia:attribute name="orth_orient">
+        <dia:enum val="0"/>
+        <dia:enum val="1"/>
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="orth_autoroute">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="text_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O16" connection="37"/>
+        <dia:connection handle="1" to="O27" connection="4"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Association" version="2" id="O30">
+      <dia:attribute name="name">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="direction">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_direction">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="assoc_type">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="role_a">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="multipicity_a">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="visibility_a">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_arrow_a">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="role_b">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="multipicity_b">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="visibility_b">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_arrow_b">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="obj_pos">
+        <dia:point val="69,35.2"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="68.95,11.25;71.1,36"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="orth_points">
+        <dia:point val="69,35.2"/>
+        <dia:point val="71,35.2"/>
+        <dia:point val="71,12.05"/>
+        <dia:point val="69,12.05"/>
+      </dia:attribute>
+      <dia:attribute name="orth_orient">
+        <dia:enum val="0"/>
+        <dia:enum val="1"/>
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="orth_autoroute">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="text_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O16" connection="35"/>
+        <dia:connection handle="1" to="O27" connection="4"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Note" version="0" id="O31">
+      <dia:attribute name="obj_pos">
+        <dia:point val="61,19"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="60.95,18.95;70.3575,20.75"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="61,19"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="9.307500000000001"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="1.7000000000000002"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#ffff80"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#Return NULL for simple move#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="Arial" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="61.35,20.23"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O32">
+      <dia:attribute name="obj_pos">
+        <dia:point val="70.3075,20.7"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="68.7579,20.6729;70.3346,35.2557"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="70.3075,20.7"/>
+        <dia:point val="69,35.2"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.05000000074505806"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="1"/>
+      </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="O31" connection="7"/>
+        <dia:connection handle="1" to="O16" connection="35"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O33">
+      <dia:attribute name="obj_pos">
+        <dia:point val="39,30.2"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="39,30.2;69,30.2"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="39,30.2"/>
+        <dia:point val="69,30.2"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0"/>
+      </dia:attribute>
+      <dia:attribute name="line_style">
+        <dia:enum val="4"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O16" connection="22"/>
+        <dia:connection handle="1" to="O16" connection="23"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O34">
+      <dia:attribute name="obj_pos">
+        <dia:point val="54,30.2"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="48.2938,29.8263;59.7063,30.5738"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#impementation detail: vtable below#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="8" name="Helvetica-Oblique"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="54,30.4213"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#ff0000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="1"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="valign">
+        <dia:enum val="2"/>
+      </dia:attribute>
+      <dia:attribute name="fill_color">
+        <dia:color val="#ffffff"/>
+      </dia:attribute>
+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O33" connection="0"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O35">
+      <dia:attribute name="obj_pos">
+        <dia:point val="13,7"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="13,7;35,7"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="13,7"/>
+        <dia:point val="35,7"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0"/>
+      </dia:attribute>
+      <dia:attribute name="line_style">
+        <dia:enum val="4"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O0" connection="14"/>
+        <dia:connection handle="1" to="O0" connection="15"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O36">
+      <dia:attribute name="obj_pos">
+        <dia:point val="24,7"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="18.2937,6.62625;29.7062,7.37375"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#impementation detail: vtable below#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="8" name="Helvetica-Oblique"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="24,7.22125"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#ff0000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="1"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="valign">
+        <dia:enum val="2"/>
+      </dia:attribute>
+      <dia:attribute name="fill_color">
+        <dia:color val="#ffffff"/>
+      </dia:attribute>
+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O35" connection="0"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Note" version="0" id="O37">
+      <dia:attribute name="obj_pos">
+        <dia:point val="24,36"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="24,36;35.985,39.3"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="24,36"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="11.984999999999999"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="3.3000000000000003"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#ffff80"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#only *very* special objects do *not* use
+object_create_props_dialog() and
+object_apply_props_from_dialog()#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="Arial" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="24.35,37.23"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O38">
+      <dia:attribute name="obj_pos">
+        <dia:point val="35.9839,38.1489"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="35.957,38.067;39.0557,38.6459"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="35.9839,38.1489"/>
+        <dia:point val="39,38.4"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.05000000074505806"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="1"/>
+      </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="O37" connection="8"/>
+        <dia:connection handle="1" to="O16" connection="40"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O39">
+      <dia:attribute name="obj_pos">
+        <dia:point val="35.9839,37.6167"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="35.9588,37.3125;39.0559,37.8934"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="35.9839,37.6167"/>
+        <dia:point val="39,37.6"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.05000000074505806"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="1"/>
+      </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="O37" connection="8"/>
+        <dia:connection handle="1" to="O16" connection="38"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Note" version="0" id="O40">
+      <dia:attribute name="obj_pos">
+        <dia:point val="24,31.4667"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="24,31.4667;33.595,34.7667"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="24,31.4667"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="9.5950000000000006"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="3.3000000000000003"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#ffff80"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#Real work usually delegated to
+the base class, e.g. 
+element_*() or orthconn_*()#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="Arial" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="24.35,32.6967"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O41">
+      <dia:attribute name="obj_pos">
+        <dia:point val="33.5952,34.4725"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="33.5643,34.4417;39.0538,36.1367"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="33.5952,34.4725"/>
+        <dia:point val="39,36"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.05000000074505806"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="1"/>
+      </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="O40" connection="8"/>
+        <dia:connection handle="1" to="O16" connection="36"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O42">
+      <dia:attribute name="obj_pos">
+        <dia:point val="33.5952,34.0963"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="33.5657,34.0668;39.0548,35.3795"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="33.5952,34.0963"/>
+        <dia:point val="39,35.2"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.05000000074505806"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="1"/>
+      </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="O40" connection="8"/>
+        <dia:connection handle="1" to="O16" connection="34"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O43">
+      <dia:attribute name="obj_pos">
+        <dia:point val="33.5952,32.9678"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="33.5694,32.526;39.0559,33.1066"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="33.5952,32.9678"/>
+        <dia:point val="39,32.8"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.05000000074505806"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="1"/>
+      </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="O40" connection="8"/>
+        <dia:connection handle="1" to="O16" connection="28"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Note" version="0" id="O44">
+      <dia:attribute name="obj_pos">
+        <dia:point val="24,27.7333"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="24,27.7333;33.81,30.2333"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="24,27.7333"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="9.8100000000000005"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="2.5"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#ffff80"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#Consider using
+object_copy_using_properties()#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="Arial" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="24.35,28.9633"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - BezierLine" version="0" id="O45">
+      <dia:attribute name="obj_pos">
+        <dia:point val="28.905,28.9833"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="32.3941,30.2324;39,34.4"/>
+      </dia:attribute>
+      <dia:attribute name="bez_points">
+        <dia:point val="28.905,28.9833"/>
+        <dia:point val="31,29.7333"/>
+        <dia:point val="35.6485,34.4"/>
+        <dia:point val="39,34.4"/>
+      </dia:attribute>
+      <dia:attribute name="corner_types">
+        <dia:enum val="0"/>
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="1"/>
+      </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="O44" connection="8"/>
+        <dia:connection handle="3" to="O16" connection="32"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Note" version="0" id="O46">
+      <dia:attribute name="obj_pos">
+        <dia:point val="24,24"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="24,24;35.06,26.5"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="24,24"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="11.06"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="2.5"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#ffff80"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#Delegate to base class plus special 
+handling for Text* members#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="Arial" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="24.35,25.23"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - BezierLine" version="0" id="O47">
+      <dia:attribute name="obj_pos">
+        <dia:point val="29.53,25.25"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="33.0183,26.4988;39,33.6"/>
+      </dia:attribute>
+      <dia:attribute name="bez_points">
+        <dia:point val="29.53,25.25"/>
+        <dia:point val="31.625,26"/>
+        <dia:point val="35.6485,33.6"/>
+        <dia:point val="39,33.6"/>
+      </dia:attribute>
+      <dia:attribute name="corner_types">
+        <dia:enum val="0"/>
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0"/>
+      </dia:attribute>
+      <dia:attribute name="end_arrow">
+        <dia:enum val="1"/>
+      </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="O46" connection="8"/>
+        <dia:connection handle="3" to="O16" connection="30"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="UML - Association" version="2" id="O48">
+      <dia:attribute name="name">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="direction">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_direction">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="assoc_type">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="role_a">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="multipicity_a">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="visibility_a">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_arrow_a">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="role_b">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="multipicity_b">
+        <dia:string>##</dia:string>
+      </dia:attribute>
+      <dia:attribute name="visibility_b">
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="show_arrow_b">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="obj_pos">
+        <dia:point val="20,27.1"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="19.95,11.25;55.05,27.9"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="orth_points">
+        <dia:point val="20,27.1"/>
+        <dia:point val="22,27.1"/>
+        <dia:point val="22,18"/>
+        <dia:point val="52,18"/>
+        <dia:point val="52,12.05"/>
+        <dia:point val="55,12.05"/>
+      </dia:attribute>
+      <dia:attribute name="orth_orient">
+        <dia:enum val="0"/>
+        <dia:enum val="1"/>
+        <dia:enum val="0"/>
+        <dia:enum val="1"/>
+        <dia:enum val="0"/>
+      </dia:attribute>
+      <dia:attribute name="orth_autoroute">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="text_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O19" connection="19"/>
+        <dia:connection handle="1" to="O27" connection="3"/>
+      </dia:connections>
+    </dia:object>
+  </dia:layer>
+</dia:diagram>
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