diff --git a/debian/var/models/XML model example (in progress) b/debian/var/models/XML model example (in progress)
index 9c425fe..ffe815a 100644
--- a/debian/var/models/XML model example (in progress)	
+++ b/debian/var/models/XML model example (in progress)	
@@ -1,99 +1,140 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<gem-graph-model>
+<gem-graph-model version="0.1">
 
+    <!-- Model identity informations -->
     <identity>
-       <anything_but_not_just_the_word_name>Modèle de test</anything_but_not_just_the_word_name>
-       <name value="(Trois dimères)"/>
-       <owner>2</owner>
+       <name>Modèle de test</name>
+
+       <owner>Gaston Lagaffe</owner>
+
+       <owner_id>2</owner_id>
+
        <date>1629830000</date>
+
        <version>1.0</version>
+
     </identity>
 
-    <parameters id="0" date="0" author="Gaston Lagaffe">
-
-        <modelization>
+    <!-- Model parameters -->
+    <parameters id="texte" date="0" author="Gaston Lagaffe">
+        <simulation>
             <max_thread value="0"/>
             <max_cycles value="13"/>
-        </modelization>
 
-        <space>
+        </simulation>
+
+        <space-param>
             <dimension value="1"/>
             <size value="39"/>
             <site_multiplicity value="2"/>
-            <boundaries/>
-        </space>
+
+        </space-param>
 
     </parameters>
 
-    <objects id="A list of connex states" date="1629830000" author="Jean Sirmai">
-
-        <state id="dimer 1-1" date="1629830000" author="Jean Sirmai">
+    <!-- Model objects definition -->
+    <objects id="texte" date="1629830000" author="Jean Sirmai">
+        <object id="dimer 1-1" date="1629830000" author="Jean Sirmai">
             <arrow x="0" y="0" z="0" site="1" weight="1"/>
             <arrow x="1" y="0" z="0" site="0" weight="1"/>
-        </state>
 
-        <state id="dimer 2-2" date="1629830000" author="Jean Sirmai">
+        </object>
+
+        <object id="dimer 2-2" date="1629830000" author="Jean Sirmai">
             <arrow x="0" y="0" z="0" site="1" weight="2"/>
             <arrow x="1" y="0" z="0" site="0" weight="2"/>
-        </state>
 
-        <state id="dimer 3-3" date="1629830000" author="Jean Sirmai">
+        </object>
+
+        <object id="dimer 3-3" date="1629830000" author="Jean Sirmai">
             <arrow x="0" y="0" z="0" site="1" weight="3"/>
             <arrow x="1" y="0" z="0" site="0" weight="3"/>
-        </state>
 
-        <!-- Just for the fun !  Can you imagine a rules in a next model ? -->
-        <state id="dimer 1-2" date="1629830000" author="Jean Sirmai">
-            <arrow x="0" y="0" z="0" site="1" weight="1"/>
-            <arrow x="1" y="0" z="0" site="0" weight="2"/>
-        </state>
+        </object>
 
     </objects>
 
-    <state id="initial state" date="1629830000" author="Jean Sirmai">
-    <!-- three dimers of three types (1-1, 2-2, 3-3) are defined in three locations-->
+    <!-- Saved space description (initial space is sequence 0) -->
+    <savestates id="texte" date="1629830000" author="THE MATRIX">
+      <space id="initial" date="1629830000" author="Jean Sirmai" sequence="0">
+          <arrow x="0"  y="0" z="0" site="1" weight="1"/>
+          <arrow x="1"  y="0" z="0" site="0" weight="1"/>
 
-        <arrow x="0"  y="0" z="0" site="1" weight="1"/>
-        <arrow x="1"  y="0" z="0" site="0" weight="1"/>
+          <arrow x="10" y="0" z="0" site="1" weight="1"/>
+          <arrow x="11" y="0" z="0" site="0" weight="1"/>
 
-        <arrow x="10" y="0" z="0" site="1" weight="2"/>
-        <arrow x="11" y="0" z="0" site="0" weight="2"/>
+          <arrow x="20" y="0" z="0" site="1" weight="1"/>
+          <arrow x="21" y="0" z="0" site="0" weight="1"/>
 
-        <arrow x="20" y="0" z="0" site="1" weight="3"/>
-        <arrow x="21" y="0" z="0" site="0" weight="3"/>
+      </space>
 
-    </state>
+    </savestates>
 
-    <produced_states id="a computed state" date="000" author="THE MATRIX (you know it...)">
-    </produced_states>
+    <!-- Model transitions definition (rules) -->
+    <transitions id="texte" date="1629830000" author="THE SUPER MATRIX">
+      <transition id="texte" date="1629830000" author="Bob" parent="texte"
+        probability="1">
+        <quote id="texte" date="1629830000" author="Bob" lang="fr">
+          Moves a dimer to east.
+        </quote>
 
-    <transitions id="how many ?" date="000" author="THE SUPER MATRIX (you did'not know it ? Did you ?...)">
+        <if>
+          <arrow x="0" y="0" z="0" site="1" weight="1"/>
 
-    <transition id="0" date="1629830000" author="Jean Sirmai" probability="1">   <!-- moves a dimer to east-->
-      <state id="initial transition state" date="0" author="Jean Sirmai">
-        <arrow x="0" y="0" z="0" site="1" weight="1"/>
-        <arrow x="1" y="0" z="0" site="0" weight="1"/>      <!-- a dimer is identified-->
-                                                            <!-- the local space origin is its "west" particule-->
-        <arrow x="2" y="0" z="0" site="1" weight="0"/>      <!-- the east location next this dimer is empty-->
-        <arrow x="3" y="0" z="0" site="0" weight="0"/>      <!-- In this very simple model, I do not need to check this condition-->
+          <arrow x="1" y="0" z="0" site="0" weight="1">
+            <quote lang="fr">A dimer is identified</quote>
 
-      </state>
+          </arrow>
 
-      <state id="final transition state" date="0" author="Jean Sirmai">                                                <!-- Therefore I can (and I want to) move it to its next east location-->
-        <arrow x="0" y="0" z="0" site="1" weight="0"/>
-        <arrow x="1" y="0" z="0" site="0" weight="0"/>      <!-- The identified dimer no more exists  ( :-(( -->
-        <arrow x="1" y="0" z="0" site="1" weight="1"/>
-        <arrow x="2" y="0" z="0" site="0" weight="1"/>      <!-- Happily, it is now rebuilt at its east location  ( ;-))-->
+          <arrow x="2" y="0" z="0" site="1" weight="0">
+            <quote lang="fr">
+              The east location next this dimer is empty
 
-      </state>
+            </quote>
 
-    </transition>
+          </arrow>
 
+          <arrow x="3" y="0" z="0" site="0" weight="0">
+            <quote lang="fr">
+              In this very simple model, I do not need to check this condition
+
+            </quote>
+
+          </arrow>
+
+        </if>
+
+        <then>
+          <quote>
+            Therefore I can (and I want to) move it to its next east location
+
+          </quote>
+
+          <arrow x="0" y="0" z="0" site="1" weight="0"/>
+          <arrow x="1" y="0" z="0" site="0" weight="0">
+            <quote>The identified dimer no more exists  ( :-(( </quote>
+
+          </arrow>
+
+          <arrow x="1" y="0" z="0" site="1" weight="1"/>
+
+          <arrow x="2" y="0" z="0" site="0" weight="1">
+            <quote>
+              Happily, it is now rebuilt at its east location  ( ;-))
+
+            </quote>
+
+          </arrow>
+
+        </then>
+
+      </transition>
 
     </transitions>
 
-    <ref></ref>
+    <!-- Non context-specific tags, designed to annotate anything -->
+    <ref id="texte" date="1629830000" author="Jean" lang="ref"></ref>
 
-    <quote></quote>
+    <quote id="texte" date="1629830000" author="Jean" lang="ref"></quote>
 
 </gem-graph-model>
diff --git a/debian/var/models/XMLSchema example (in progress) b/debian/var/models/XMLSchema example (in progress)
index 96aa17a..85ed563 100644
--- a/debian/var/models/XMLSchema example (in progress)	
+++ b/debian/var/models/XMLSchema example (in progress)	
@@ -6,17 +6,6 @@
 <!-- use="required" is NOT allowed in attributes declarations-->
 <!-- To know : Attribute 'name' Cannot Appear In Element 'element'.-->
 
-<!-- TODO
-      <BALISE>texte</BALISE> doit toujours être équivalent à <BALISE value="texte"/>
-      quelle que soit la BALISE et quel que soit le texte.
-      (excepté pour certaines balises sans texte)
-
-      Les balises concernées sont :
-      name, owner, date, version, max_thread, max_cycles,
-      dimension, site_multiplicity, boundaries, ref et quote
-
-      Comment déclarer cette équivalence ? -->
-
 <!-- xs:element name="name" type="xs:string"/ -->
 <!-- Cos-element-consistent: Error For Type '#AnonType_identitygem-graph-model'.
      Multiple Elements With Name 'name', With Different Types, Appear In The Model Group. -->
@@ -89,14 +78,7 @@
         <xs:complexType>
         <xs:sequence>
 
-            <xs:element name="anything_but_not_just_the_word_name" type="xs:string"/>
-
-            <xs:element name="name">
-                <xs:complexType>
-                    <xs:attribute name="value"  type="xs:string" use="required"/>
-                </xs:complexType>
-            </xs:element>
-
+            <xs:element name="name" type="xs:string"/>
             <xs:element name="owner" type="xs:integer"/>
             <xs:element name="date" type="xs:integer"/>
             <xs:element name="version" type="xs:float"/>
diff --git a/debian/var/models/example_II.xml b/debian/var/models/example_II.xml
deleted file mode 100644
index f68f02a..0000000
--- a/debian/var/models/example_II.xml
+++ /dev/null
@@ -1,102 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<!-- TODO DTD or XML Schema-->
-
-<gem-graph-model version="0.1">
-
-  <!-- Model identity informations -->
-  <identity>
-    <name>Model created for testing purposes</name>
-    <name value="(Three dimers)"/>
-    <owner>Jean Sirmai</owner>
-    <owner_id>2</owner_id>
-    <date>1629830000</date>  <!--Warning: it's an arbitrary unchecked date...-->
-    <version>1.0</version>
-
-  </identity>
-
-  <!-- Model parameters -->
-  <parameters id="test" date="1629830000" author="Jean Sirmai">
-    <modelization>
-      <max_thread value="0"/>           <!--Why "0" ?-->
-      <max_cycles value="13"/>
-
-    </modelization>
-
-    <space_param>
-      <dimension value="1"/>
-      <size x="39" y="0" z="0"/>
-      <site_multiplicity value="2"/>    <!-- Indicates that there are two sites per cell-->
-      <boundaries/>                     <!-- TODO -->
-
-    </space_param>
-
-  </parameters>
-
-  <!-- Model objects definition -->
-  <objects>
-    <object id="dimer" date="1629830000" author="Jean Sirmai">
-      <!-- A dimer is made of two linked adjacent particles.-->
-      <!-- Site 1 of particle 0 points at east to next particle.-->
-      <!-- Site 0 of particle 1 points at west to previous particle.-->
-      <arrow x="0" y="0" z="0" site="0" weight="0"/>
-      <arrow x="0" y="0" z="0" site="1" weight="1"/>
-      <arrow x="1" y="0" z="0" site="0" weight="1"/>
-      <arrow x="1" y="0" z="0" site="1" weight="0"/>
-
-    </object>
-
-  </objects>
-
-  <!-- Space description (initial state) -->
-  <space id="test" date="1629830000" author="Jean Sirmai">
-    <arrow x="0"  y="0" z="0" site="1" weight="1"/>
-    <arrow x="1"  y="0" z="0" site="0" weight="1"/>
-    <arrow x="10" y="0" z="0" site="1" weight="1"/>
-    <arrow x="11" y="0" z="0" site="0" weight="1"/>
-    <arrow x="20" y="0" z="0" site="1" weight="1"/>
-    <arrow x="21" y="0" z="0" site="0" weight="1"/>
-    <!-- three dimers have been defined-->
-
-  </space>
-
-  <!-- Saved space description (saved states) -->
-  <savestates id="test" date="1629830000" author="Jean Sirmai">
-
-    <space id="test" date="1629830000" author="Jean Sirmai">
-    </space>
-
-  </savestates>
-
-  <!-- Model transitions definition (rules) -->
-  <transitions id="test" date="1629830000" author="Jean Sirmai">
-    <transition id="0" date="1629830000" author="Jean Sirmai" probability="1">   <!-- moves a dimer to east-->
-      <if>
-        <arrow x="0" y="0" z="0" site="1" weight="1"/>
-        <arrow x="1" y="0" z="0" site="0" weight="1"/>      <!-- a dimer is identified-->
-                                                            <!-- the local space origin is its "west" particule-->
-        <arrow x="2" y="0" z="0" site="1" weight="0"/>      <!-- the east location next this dimer is empty-->
-        <arrow x="3" y="0" z="0" site="0" weight="0"/>      <!-- In this very simple model, I do not need to check this condition-->
-
-      </if>
-
-      <then>                                                <!-- Therefore I can (and I want to) move it to its next east location-->
-        <arrow x="0" y="0" z="0" site="1" weight="0"/>
-        <arrow x="1" y="0" z="0" site="0" weight="0"/>      <!-- The identified dimer no more exists  ( :-(( -->
-        <arrow x="1" y="0" z="0" site="1" weight="1"/>
-        <arrow x="2" y="0" z="0" site="0" weight="1"/>      <!-- Happily, it is now rebuilt at its east location  ( ;-))-->
-
-      </then>
-
-    </transition>
-
-  </transitions>
-
-  <!-- Non context-specific tags -->
-  <ref id="Best reference!" date="1629830000" author="Jean Sirmai" lang="fr">
-    https://www.a-lec.org
-  </ref>
-
-  <quote>This is a quote.</quote>
-
-</gem-graph-model>