diff --git a/inca-translation/.mps/modules.xml b/inca-translation/.mps/modules.xml
index ae50613d064cc7839466e3ffb85b4177eb1793fc..b49e43bd1999745bbf52d35aebab90e41fc1492b 100644
--- a/inca-translation/.mps/modules.xml
+++ b/inca-translation/.mps/modules.xml
@@ -7,6 +7,7 @@
       <modulePath path="$PROJECT_DIR$/languages/ProductTypes/ProductTypes.mpl" folder="" />
       <modulePath path="$PROJECT_DIR$/languages/RecordTypes/RecordTypes.mpl" folder="" />
       <modulePath path="$PROJECT_DIR$/languages/VariantTypes/VariantTypes.mpl" folder="" />
+      <modulePath path="$PROJECT_DIR$/solutions/FORecursiveTypes_Checker/FORecursiveTypes_Checker.msd" folder="" />
       <modulePath path="$PROJECT_DIR$/solutions/RecordTypes_Checker/RecordTypes_Checker.msd" folder="" />
       <modulePath path="$PROJECT_DIR$/solutions/SumTypes_Checker/SumTypes_Checker.msd" folder="." />
       <modulePath path="$PROJECT_DIR$/solutions/VariantTypes_Checker/VariantTypes_Checker.msd" folder="" />
diff --git a/inca-translation/.mps/workspace.xml b/inca-translation/.mps/workspace.xml
index 9158c0417a3347bf46d5cf1b292ab92e8bb1aec4..304965a599f76f6fc015936c73bbfd95f4a36d14 100644
--- a/inca-translation/.mps/workspace.xml
+++ b/inca-translation/.mps/workspace.xml
@@ -7,157 +7,31 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="676692ec-cd16-4102-9017-0f40d5cf3cc0" name="Default Changelist" comment="changed back to previous lattice order, still works">
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-      <change beforePath="$PROJECT_DIR$/solutions/RecordTypes_Checker/classes_gen/RecordTypes_Checker/model/trace.info" beforeDir="false" afterPath="$PROJECT_DIR$/solutions/RecordTypes_Checker/classes_gen/RecordTypes_Checker/model/trace.info" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/languages/FORecursiveTypes/classes_gen/FORecursiveTypes/editor/trace.info" beforeDir="false" afterPath="$PROJECT_DIR$/languages/FORecursiveTypes/classes_gen/FORecursiveTypes/editor/trace.info" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/languages/FORecursiveTypes/classes_gen/FORecursiveTypes/structure/aspectcps-descriptorclasses.mps" beforeDir="false" afterPath="$PROJECT_DIR$/languages/FORecursiveTypes/classes_gen/FORecursiveTypes/structure/aspectcps-descriptorclasses.mps" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/languages/FORecursiveTypes/classes_gen/FORecursiveTypes/structure/trace.info" beforeDir="false" afterPath="$PROJECT_DIR$/languages/FORecursiveTypes/classes_gen/FORecursiveTypes/structure/trace.info" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen.caches/FORecursiveTypes/editor/dependencies" beforeDir="false" afterPath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen.caches/FORecursiveTypes/editor/dependencies" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen.caches/FORecursiveTypes/editor/generated" beforeDir="false" afterPath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen.caches/FORecursiveTypes/editor/generated" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen.caches/FORecursiveTypes/generated" beforeDir="false" afterPath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen.caches/FORecursiveTypes/generated" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen.caches/FORecursiveTypes/structure/generated" beforeDir="false" afterPath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen.caches/FORecursiveTypes/structure/generated" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen/FORecursiveTypes/editor/EditorAspectDescriptorImpl.java" beforeDir="false" afterPath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen/FORecursiveTypes/editor/EditorAspectDescriptorImpl.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen/FORecursiveTypes/editor/trace.info" beforeDir="false" afterPath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen/FORecursiveTypes/editor/trace.info" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen/FORecursiveTypes/structure/ConceptPresentationAspectImpl.java" beforeDir="false" afterPath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen/FORecursiveTypes/structure/ConceptPresentationAspectImpl.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen/FORecursiveTypes/structure/LanguageConceptSwitch.java" beforeDir="false" afterPath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen/FORecursiveTypes/structure/LanguageConceptSwitch.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen/FORecursiveTypes/structure/StructureAspectDescriptor.java" beforeDir="false" afterPath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen/FORecursiveTypes/structure/StructureAspectDescriptor.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen/FORecursiveTypes/structure/aspectcps-descriptorclasses.mps" beforeDir="false" afterPath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen/FORecursiveTypes/structure/aspectcps-descriptorclasses.mps" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen/FORecursiveTypes/structure/trace.info" beforeDir="false" afterPath="$PROJECT_DIR$/languages/FORecursiveTypes/source_gen/FORecursiveTypes/structure/trace.info" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/solutions/RecordTypes_Checker/models/model.mps" beforeDir="false" afterPath="$PROJECT_DIR$/solutions/RecordTypes_Checker/models/model.mps" afterDir="false" />
     </list>
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
@@ -179,7 +53,7 @@
         <TabState>
           <option name="title" value="Console" />
           <tab>
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+            <model ref="67ccfd25-4b84-4144-af66-683d1d3dcf29/r:5925255d-7670-4468-908f-81cc5097597c(TempModule67ccfd25-4b84-4144-af66-683d1d3dcf29/TempModel_930372652400878)">
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@@ -199,11 +73,11 @@
                   <concept id="757553790980850366" name="jetbrains.mps.console.base.structure.History" flags="ng" index="3balQm" />
                 </language>
               </registry>
-              <node concept="aymSD" id="6XRTB8NsWg8">
-                <node concept="3balQm" id="6XRTB8NsWg9" role="aymYE" />
-                <node concept="2Clz$F" id="6XRTB8NsWga" role="aymYO" />
-                <node concept="2_V_lH" id="6XRTB8NsWgb" role="1PhJh3">
-                  <ref role="2_V_lI" node="6XRTB8NsWga" resolve="CommandHolder" />
+              <node concept="aymSD" id="87VMuNvUZE">
+                <node concept="3balQm" id="87VMuNvUZF" role="aymYE" />
+                <node concept="2Clz$F" id="87VMuNvUZG" role="aymYO" />
+                <node concept="2_V_lH" id="87VMuNvUZH" role="1PhJh3">
+                  <ref role="2_V_lI" node="87VMuNvUZG" resolve="CommandHolder" />
                 </node>
               </node>
             </model>
@@ -226,20 +100,22 @@
     </search_options>
   </component>
   <component name="FileEditorManager">
-    <leaf>
-      <file pinned="false" current-in-tab="false">
-        <entry file="mps://node://FORecursiveTypes/FORecursiveTypes.structure/TypeVar">
+    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
+      <file pinned="false" current-in-tab="true">
+        <entry file="mps://node://FORecursiveTypes_Checker/FORecursiveTypes_Checker.model/Typing">
           <provider selected="true" editor-type-id="MPSFileEditor">
-            <state class="jetbrains.mps.ide.editor.tabs.TabbedEditor$TabbedEditorState">
-              <memento saveSessionState="false" viewPositionX="0" viewPositionY="0">
+            <state class="jetbrains.mps.ide.editor.BaseNodeEditor$BaseEditorState">
+              <memento saveSessionState="false" viewPositionX="0" viewPositionY="6996">
                 <selectionStack>
                   <stackElement className="jetbrains.mps.nodeEditor.selection.EditorCellLabelSelection">
-                    <property name="hasNonTrivialSelection" value="false" />
-                    <property name="caretX" value="31" />
-                    <property name="caretXRelative" value="0" />
+                    <property name="selectionStart" value="0" />
+                    <property name="hasNonTrivialSelection" value="true" />
+                    <property name="caretX" value="215" />
+                    <property name="selectionEnd" value="9" />
+                    <property name="caretXRelative" value="72" />
                     <property name="sideSelectDirection" value="NONE" />
-                    <cellInfo cellId="Constant_vrfi3w_f0">
-                      <node node_reference="r:ebb64f75-0737-4104-8fe6-01adac9c79d2(FORecursiveTypes.constraints)/2012336639220442156" />
+                    <cellInfo cellId="property_name">
+                      <node node_reference="r:496fd334-aad6-4ea7-8581-61780f6d6041(FORecursiveTypes_Checker.model)/146348466721090592" />
                     </cellInfo>
                   </stackElement>
                 </selectionStack>
@@ -247,14 +123,14 @@
                 <transactionalProperties />
                 <foldable>
                   <collapsedElement isCollapsed="false">
-                    <cellIdElement cellId="Collection_trik0f_b0">
-                      <node node_reference="r:ebb64f75-0737-4104-8fe6-01adac9c79d2(FORecursiveTypes.constraints)/2012336639220442157" />
+                    <cellIdElement cellId="refNodeList_imports">
+                      <node node_reference="r:496fd334-aad6-4ea7-8581-61780f6d6041(FORecursiveTypes_Checker.model)/8032141838602820238" />
                     </cellIdElement>
                   </collapsedElement>
                 </foldable>
                 <restoreAlways />
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-              <inspectorMemento currentlyEditedNode="r:dbbc3a30-e198-4dc0-ba2b-f425856d088c(FORecursiveTypes.structure)/8032141838602814340" saveSessionState="false" viewPositionX="0" viewPositionY="0">
+              <inspectorMemento currentlyEditedNode="r:496fd334-aad6-4ea7-8581-61780f6d6041(FORecursiveTypes_Checker.model)/146348466721090592" saveSessionState="false" viewPositionX="0" viewPositionY="0">
                 <selectionStack />
                 <errorMarkers />
                 <transactionalProperties />
@@ -265,24 +141,23 @@
                   <enabledHintsElement enabledHintsAttribute="de.slisson.mps.conditionalEditor.hints.editor.conditionalEditorHints.conditionalEditor" />
                 </enabledHints>
               </inspectorMemento>
-              <node node_ref="r:ebb64f75-0737-4104-8fe6-01adac9c79d2(FORecursiveTypes.constraints)/2012336639220441492" />
             </state>
           </provider>
         </entry>
       </file>
       <file pinned="false" current-in-tab="false">
-        <entry file="mps://node://FORecursiveTypes/FORecursiveTypes.structure/LetType">
+        <entry file="mps://node://FORecursiveTypes_Checker/FORecursiveTypes_Checker.model/IncA Compiler Options">
           <provider selected="true" editor-type-id="MPSFileEditor">
-            <state class="jetbrains.mps.ide.editor.tabs.TabbedEditor$TabbedEditorState">
+            <state class="jetbrains.mps.ide.editor.BaseNodeEditor$BaseEditorState">
               <memento saveSessionState="false" viewPositionX="0" viewPositionY="0">
                 <selectionStack>
                   <stackElement className="jetbrains.mps.nodeEditor.selection.EditorCellLabelSelection">
                     <property name="hasNonTrivialSelection" value="false" />
-                    <property name="caretX" value="71" />
-                    <property name="caretXRelative" value="56" />
+                    <property name="caretX" value="263" />
+                    <property name="caretXRelative" value="176" />
                     <property name="sideSelectDirection" value="NONE" />
-                    <cellInfo cellId="Constant_ueqr71_c0a">
-                      <node node_reference="r:dbbc3a30-e198-4dc0-ba2b-f425856d088c(FORecursiveTypes.structure)/8032141838602454975" />
+                    <cellInfo cellId="ALIAS_EDITOR_COMPONENT">
+                      <node node_reference="r:496fd334-aad6-4ea7-8581-61780f6d6041(FORecursiveTypes_Checker.model)/146348466722191908" />
                     </cellInfo>
                   </stackElement>
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@@ -291,7 +166,7 @@
                 <foldable />
                 <restoreAlways />
               </memento>
-              <inspectorMemento currentlyEditedNode="r:dbbc3a30-e198-4dc0-ba2b-f425856d088c(FORecursiveTypes.structure)/8032141838602814340" saveSessionState="false" viewPositionX="0" viewPositionY="0">
+              <inspectorMemento currentlyEditedNode="r:496fd334-aad6-4ea7-8581-61780f6d6041(FORecursiveTypes_Checker.model)/146348466721090592" saveSessionState="false" viewPositionX="0" viewPositionY="0">
                 <selectionStack />
                 <errorMarkers />
                 <transactionalProperties />
@@ -302,24 +177,23 @@
                   <enabledHintsElement enabledHintsAttribute="de.slisson.mps.conditionalEditor.hints.editor.conditionalEditorHints.conditionalEditor" />
                 </enabledHints>
               </inspectorMemento>
-              <node node_ref="r:dbbc3a30-e198-4dc0-ba2b-f425856d088c(FORecursiveTypes.structure)/8032141838602454975" />
             </state>
           </provider>
         </entry>
       </file>
       <file pinned="false" current-in-tab="false">
-        <entry file="mps://node://FORecursiveTypes/FORecursiveTypes.structure/Add">
+        <entry file="mps://node://VariantTypes_Checker/VariantTypes_Checker.model/IncA Compiler Options">
           <provider selected="true" editor-type-id="MPSFileEditor">
-            <state class="jetbrains.mps.ide.editor.tabs.TabbedEditor$TabbedEditorState">
+            <state class="jetbrains.mps.ide.editor.BaseNodeEditor$BaseEditorState">
               <memento saveSessionState="false" viewPositionX="0" viewPositionY="0">
                 <selectionStack>
                   <stackElement className="jetbrains.mps.nodeEditor.selection.EditorCellLabelSelection">
                     <property name="hasNonTrivialSelection" value="false" />
-                    <property name="caretX" value="71" />
-                    <property name="caretXRelative" value="56" />
+                    <property name="caretX" value="15" />
+                    <property name="caretXRelative" value="0" />
                     <property name="sideSelectDirection" value="NONE" />
-                    <cellInfo cellId="Constant_ueqr71_c0a">
-                      <node node_reference="r:dbbc3a30-e198-4dc0-ba2b-f425856d088c(FORecursiveTypes.structure)/1894367444356272898" />
+                    <cellInfo cellId="ALIAS_EDITOR_COMPONENT">
+                      <node node_reference="r:57415604-d587-413c-ace0-857998fadcf8(VariantTypes_Checker.model)/3402207517368218572" />
                     </cellInfo>
                   </stackElement>
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@@ -328,7 +202,7 @@
                 <foldable />
                 <restoreAlways />
               </memento>
-              <inspectorMemento currentlyEditedNode="r:dbbc3a30-e198-4dc0-ba2b-f425856d088c(FORecursiveTypes.structure)/8032141838602814340" saveSessionState="false" viewPositionX="0" viewPositionY="0">
+              <inspectorMemento currentlyEditedNode="r:496fd334-aad6-4ea7-8581-61780f6d6041(FORecursiveTypes_Checker.model)/146348466721090592" saveSessionState="false" viewPositionX="0" viewPositionY="0">
                 <selectionStack />
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                 <transactionalProperties />
@@ -339,70 +213,128 @@
                   <enabledHintsElement enabledHintsAttribute="de.slisson.mps.conditionalEditor.hints.editor.conditionalEditorHints.conditionalEditor" />
                 </enabledHints>
               </inspectorMemento>
-              <node node_ref="r:dbbc3a30-e198-4dc0-ba2b-f425856d088c(FORecursiveTypes.structure)/1894367444356272898" />
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         </entry>
       </file>
       <file pinned="false" current-in-tab="false">
-        <entry file="mps://node://FORecursiveTypes/FORecursiveTypes.structure/Anno">
+        <entry file="mps://node://VariantTypes_Checker/VariantTypes_Checker.model/AnalysisResultAccess">
           <provider selected="true" editor-type-id="MPSFileEditor">
-            <state class="jetbrains.mps.ide.editor.tabs.TabbedEditor$TabbedEditorState">
-              <memento saveSessionState="false" viewPositionX="0" viewPositionY="0">
+            <state class="jetbrains.mps.ide.editor.BaseNodeEditor$BaseEditorState">
+              <memento saveSessionState="false" viewPositionX="0" viewPositionY="1016">
                 <selectionStack>
                   <stackElement className="jetbrains.mps.nodeEditor.selection.EditorCellLabelSelection">
                     <property name="hasNonTrivialSelection" value="false" />
-                    <property name="caretX" value="71" />
-                    <property name="caretXRelative" value="56" />
+                    <property name="caretX" value="127" />
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                     <property name="sideSelectDirection" value="NONE" />
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+                    <cellInfo cellId="staticModifier">
+                      <node node_reference="r:57415604-d587-413c-ace0-857998fadcf8(VariantTypes_Checker.model)/1066296671797945398" />
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-                <restoreAlways />
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                 </selectionStack>
                 <errorMarkers />
                 <transactionalProperties />
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@@ -887,11 +953,11 @@
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-              <option name="myItemId" value="83519d5a-e8d8-40b1-b958-7bbbda82ff24(FORecursiveTypes)" />
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@@ -909,7 +975,7 @@
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             </PATH_ELEMENT>
             <PATH_ELEMENT>
-              <option name="myItemId" value="term" />
+              <option name="myItemId" value="type" />
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@@ -919,57 +985,123 @@
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+              <option name="myItemType" value="" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="test" />
               <option name="myItemType" value="" />
             </PATH_ELEMENT>
           </PATH>
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+        </subPane>
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+      <pane id="Favorites" />
+      <pane id="FileSystem" />
+      <pane id="CustomProjectView_com.mbeddr.mpsutil.favourites.plugin.plugin.FavouritesProjectView">
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+      </pane>
+      <pane id="CustomProjectView_com.mbeddr.mpsutil.favourites.plugin.plugin.FavouritesProjectView">
+        <subPane />
+      </pane>
+    </panes>
+  </component>
+  <component name="PropertiesComponent">
+    <property name="com.mbeddr.mpsutil.multilingual.concept.runtime.plugin.MultilingualConceptProjectPlugin_ProjectPluginPart.showTranslations" value="false" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="settings.editor.selected.configurable" value="preferences.pathVariables" />
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+  <component name="RunDashboard">
+    <option name="ruleStates">
+      <list>
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+          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
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+        <RuleState>
+          <option name="name" value="StatusDashboardGroupingRule" />
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+    </option>
+  </component>
+  <component name="RunManager" selected="JUnit Tests.RecordSimpleTest_Test">
+    <configuration name="RecordSimpleTest_Test" type="JUnit Tests" factoryName="JUnit Tests" temporary="true">
+      <myJUnitSettings>
+        <MyState>
+          <option name="myModelRef" />
+          <option name="myModuleRef" />
+          <option name="myInProcess" value="true" />
+          <option name="myReuseCaches" value="true" />
+          <option name="myOverrideCachesLocation" value="false" />
+          <option name="myDebug" value="false" />
+          <option name="myCachesPath" value="/var/folders/tj/t2ht3yj52v13qtptszjqy8mw0000gn/T/mps_test_dir0" />
+          <option name="myTestCases">
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+          <option name="myTestMethods">
+            <list />
           </option>
           <option name="myRunType" value="3" />
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@@ -1265,10 +1397,9 @@
     <configuration>$USER_HOME$/.subversion</configuration>
   </component>
   <component name="ToolWindowManager">
-    <frame x="0" y="23" width="1440" height="877" extended-state="0" />
-    <editor active="true" />
+    <frame x="0" y="23" width="1440" height="877" extended-state="6" />
     <layout>
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       <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
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@@ -1385,53 +1516,16 @@
     <option name="LAST_COMMIT_MESSAGE" value="check that record type contains the same labels as record term (checking for same length)" />
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-    </entry>
-    <entry file="mps://node://VariantTypes_Checker/VariantTypes_Checker.test.ok_match_shadow_binding/OkMatchShadowBinding">
+    <entry file="mps://node://RecordTypes_Checker/RecordTypes_Checker.model/LCount" />
+    <entry file="mps://node://RecordTypes_Checker/RecordTypes_Checker.test.ok_rec_single/OkRecSingle">
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         <state class="jetbrains.mps.ide.editor.BaseNodeEditor$BaseEditorState">
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+              <stackElement className="org.inca.ui.plugin.MatchSelection" moduleID="50774306-a9df-40b3-8571-64880ad234e2(org.inca.ui)">
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+                <property name="nodeId_0" value="8176999170103501080" />
+                <property name="numberOfNodes" value="1" />
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             <errorMarkers />
@@ -1439,7 +1533,7 @@
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@@ -1453,18 +1547,18 @@
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       </provider>
     </entry>
-    <entry file="mps://node://VariantTypes_Checker/VariantTypes_Checker.test.ok_match_single/OkMatchSingle">
+    <entry file="mps://node://RecordTypes_Checker/RecordTypes_Checker.test.ok_sel_second/OkSelSecond">
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@@ -1473,7 +1567,7 @@
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@@ -1487,27 +1581,43 @@
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       </provider>
     </entry>
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             <restoreAlways />
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@@ -1521,27 +1631,59 @@
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       </provider>
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@@ -1555,52 +1697,111 @@
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@@ -1609,7 +1810,7 @@
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@@ -1620,25 +1821,22 @@
               <enabledHintsElement enabledHintsAttribute="de.slisson.mps.conditionalEditor.hints.editor.conditionalEditorHints.conditionalEditor" />
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-    <entry file="mps://node://VariantTypes_Checker/VariantTypes_Checker.test.ok_two_variant/OkTwoVariant">
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@@ -1647,7 +1845,7 @@
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               <enabledHintsElement enabledHintsAttribute="de.slisson.mps.conditionalEditor.hints.editor.conditionalEditorHints.conditionalEditor" />
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@@ -1681,8 +1880,18 @@
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             <errorMarkers />
             <transactionalProperties />
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@@ -1695,18 +1904,18 @@
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       </provider>
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-    <entry file="mps://node://VariantTypes_Checker/VariantTypes_Checker.test.fail_wrong_label/FailWrongLabel">
+    <entry file="mps://node://RecordTypes/RecordTypes.structure/RecordType">
       <provider selected="true" editor-type-id="MPSFileEditor">
-        <state class="jetbrains.mps.ide.editor.BaseNodeEditor$BaseEditorState">
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@@ -1715,15 +1924,33 @@
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@@ -1731,25 +1958,30 @@
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-    <entry file="mps://node://RecordTypes_Checker/RecordTypes_Checker.test.ok_rec_single/OkRecSingle">
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-                <property name="nodeId_0" value="8176999170103501080" />
+                <property name="modelRef" value="r:1d866c7b-0dba-4cdf-a4ef-742ed7f20b7b(RecordTypes_Checker.test.ok_rec_empty)" />
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@@ -1758,7 +1990,7 @@
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@@ -1772,18 +2004,18 @@
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-    <entry file="mps://node://RecordTypes_Checker/RecordTypes_Checker.test.ok_sel_second/OkSelSecond">
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@@ -1792,7 +2024,7 @@
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@@ -1806,43 +2038,27 @@
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-                <property name="caretXRelative" value="88" />
+                <property name="caretX" value="71" />
+                <property name="caretXRelative" value="0" />
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-                  <node node_reference="r:6c4d09db-8a4c-40f2-8fdb-950cf932417a(RecordTypes.editor)/3192721931268066755" />
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@@ -2187,7 +2231,7 @@
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@@ -2198,22 +2242,21 @@
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       </provider>
     </entry>
-    <entry file="mps://node://RecordTypes/RecordTypes.structure/RecordTypeEntry">
+    <entry file="mps://node://VariantTypes_Checker/VariantTypes_Checker.test.fail_unequal_types_cases/FailUnequalTypesCases">
       <provider selected="true" editor-type-id="MPSFileEditor">
-        <state class="jetbrains.mps.ide.editor.tabs.TabbedEditor$TabbedEditorState">
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             <selectionStack>
               <stackElement className="jetbrains.mps.nodeEditor.selection.EditorCellLabelSelection">
                 <property name="hasNonTrivialSelection" value="false" />
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-                <property name="caretXRelative" value="8" />
+                <property name="caretX" value="71" />
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-                  <node node_reference="r:6c4d09db-8a4c-40f2-8fdb-950cf932417a(RecordTypes.editor)/7130748106760519465" />
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@@ -2222,7 +2265,7 @@
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@@ -2233,22 +2276,21 @@
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       </provider>
     </entry>
-    <entry file="mps://node://RecordTypes_Checker/RecordTypes_Checker.test.fail_unequal_number_of_labels/FailUnequalNumberLabels">
+    <entry file="mps://node://VariantTypes/VariantTypes.structure/VariantTypeEntry">
       <provider selected="true" editor-type-id="MPSFileEditor">
-        <state class="jetbrains.mps.ide.editor.BaseNodeEditor$BaseEditorState">
+        <state class="jetbrains.mps.ide.editor.tabs.TabbedEditor$TabbedEditorState">
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                 <property name="hasNonTrivialSelection" value="false" />
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-                <property name="caretXRelative" value="8" />
+                <property name="caretX" value="47" />
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@@ -2257,18 +2299,8 @@
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             <errorMarkers />
             <transactionalProperties />
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@@ -2278,30 +2310,37 @@
               <enabledHintsElement enabledHintsAttribute="de.slisson.mps.conditionalEditor.hints.editor.conditionalEditorHints.conditionalEditor" />
             </enabledHints>
           </inspectorMemento>
+          <node node_ref="r:f0f94923-a186-46f9-a394-0b92c25f328f(VariantTypes.editor)/7130748106760519433" />
         </state>
       </provider>
     </entry>
-    <entry file="mps://node://RecordTypes/RecordTypes.structure/RecordType">
+    <entry file="mps://node://FORecursiveTypes/FORecursiveTypes.structure/TypeVar">
       <provider selected="true" editor-type-id="MPSFileEditor">
         <state class="jetbrains.mps.ide.editor.tabs.TabbedEditor$TabbedEditorState">
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                 <property name="hasNonTrivialSelection" value="false" />
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                 </cellInfo>
               </stackElement>
             </selectionStack>
             <errorMarkers />
             <transactionalProperties />
-            <foldable />
-            <restoreAlways />
+            <foldable>
+              <collapsedElement isCollapsed="false">
+                <cellIdElement cellId="Collection_trik0f_b0">
+                  <node node_reference="r:ebb64f75-0737-4104-8fe6-01adac9c79d2(FORecursiveTypes.constraints)/2012336639220442157" />
+                </cellIdElement>
+              </collapsedElement>
+            </foldable>
+            <restoreAlways />
           </memento>
-          <inspectorMemento currentlyEditedNode="r:a94d52e9-b58e-4bde-ba1d-231755a66774(VariantTypes_Checker.test.fail_match_not_variant)/3402207517370293171" saveSessionState="false" viewPositionX="0" viewPositionY="0">
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@@ -2312,22 +2351,62 @@
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       </provider>
     </entry>
-    <entry file="mps://node://RecordTypes/RecordTypes.structure/Record">
+    <entry file="mps://node://FORecursiveTypes/FORecursiveTypes.structure/Let">
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+        <state class="jetbrains.mps.ide.editor.tabs.TabbedEditor$TabbedEditorState">
+          <memento saveSessionState="false" viewPositionX="0" viewPositionY="0">
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+              <stackElement className="jetbrains.mps.nodeEditor.selection.EditorCellSelection">
+                <property name="caretX" value="0" />
+                <property name="caretXRelative" value="-31" />
+                <property name="sideSelectDirection" value="NONE" />
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+            </selectionStack>
+            <errorMarkers />
+            <transactionalProperties />
+            <foldable>
+              <collapsedElement isCollapsed="false">
+                <cellIdElement cellId="Collection_trik0f_b0">
+                  <node node_reference="r:ebb64f75-0737-4104-8fe6-01adac9c79d2(FORecursiveTypes.constraints)/5790571747118569173" />
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+          <inspectorMemento currentlyEditedNode="r:496fd334-aad6-4ea7-8581-61780f6d6041(FORecursiveTypes_Checker.model)/8032141838602820238" saveSessionState="false" viewPositionX="0" viewPositionY="0">
+            <selectionStack />
+            <errorMarkers />
+            <transactionalProperties />
+            <foldable />
+            <restoreAlways />
+            <enabledHints>
+              <enabledHintsElement enabledHintsAttribute="de.slisson.mps.conditionalEditor.hints.editor.conditionalEditorHints.conditionalEditor_doNotUseThisHint" />
+              <enabledHintsElement enabledHintsAttribute="de.slisson.mps.conditionalEditor.hints.editor.conditionalEditorHints.conditionalEditor" />
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+          </inspectorMemento>
+          <node node_ref="r:ebb64f75-0737-4104-8fe6-01adac9c79d2(FORecursiveTypes.constraints)/2951477311799627903" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="mps://node://FORecursiveTypes/FORecursiveTypes.structure/Add">
       <provider selected="true" editor-type-id="MPSFileEditor">
         <state class="jetbrains.mps.ide.editor.tabs.TabbedEditor$TabbedEditorState">
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                 <property name="hasNonTrivialSelection" value="false" />
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-                <property name="caretXRelative" value="8" />
+                <property name="caretX" value="71" />
+                <property name="caretXRelative" value="56" />
                 <property name="sideSelectDirection" value="NONE" />
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-                  <node node_reference="r:6c4d09db-8a4c-40f2-8fdb-950cf932417a(RecordTypes.editor)/3192721931268066906" />
+                <cellInfo cellId="Constant_ueqr71_c0a">
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@@ -2336,7 +2415,7 @@
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@@ -2347,19 +2426,23 @@
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-          <node node_ref="r:6c4d09db-8a4c-40f2-8fdb-950cf932417a(RecordTypes.editor)/658257277626152360" />
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         </state>
       </provider>
     </entry>
-    <entry file="mps://node://RecordTypes_Checker/RecordTypes_Checker.test.ok_rec_empty/OkRecEmpty">
+    <entry file="mps://node://FORecursiveTypes/FORecursiveTypes.structure/Anno">
       <provider selected="true" editor-type-id="MPSFileEditor">
-        <state class="jetbrains.mps.ide.editor.BaseNodeEditor$BaseEditorState">
+        <state class="jetbrains.mps.ide.editor.tabs.TabbedEditor$TabbedEditorState">
           <memento saveSessionState="false" viewPositionX="0" viewPositionY="0">
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-                <property name="nodeId_0" value="6395623258572464427" />
-                <property name="numberOfNodes" value="1" />
+              <stackElement className="jetbrains.mps.nodeEditor.selection.EditorCellLabelSelection">
+                <property name="hasNonTrivialSelection" value="false" />
+                <property name="caretX" value="71" />
+                <property name="caretXRelative" value="56" />
+                <property name="sideSelectDirection" value="NONE" />
+                <cellInfo cellId="Constant_ueqr71_c0a">
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               </stackElement>
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@@ -2367,7 +2450,7 @@
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             <restoreAlways />
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@@ -2378,21 +2461,22 @@
               <enabledHintsElement enabledHintsAttribute="de.slisson.mps.conditionalEditor.hints.editor.conditionalEditorHints.conditionalEditor" />
             </enabledHints>
           </inspectorMemento>
+          <node node_ref="r:dbbc3a30-e198-4dc0-ba2b-f425856d088c(FORecursiveTypes.structure)/1894367444356273023" />
         </state>
       </provider>
     </entry>
-    <entry file="mps://node://RecordTypes_Checker/RecordTypes_Checker.test.fail_wrong_selection/FailWrongSelection">
+    <entry file="mps://node://FORecursiveTypes/FORecursiveTypes.structure/App">
       <provider selected="true" editor-type-id="MPSFileEditor">
-        <state class="jetbrains.mps.ide.editor.BaseNodeEditor$BaseEditorState">
+        <state class="jetbrains.mps.ide.editor.tabs.TabbedEditor$TabbedEditorState">
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                 <property name="hasNonTrivialSelection" value="false" />
                 <property name="caretX" value="71" />
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@@ -2401,7 +2485,7 @@
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@@ -2412,21 +2496,25 @@
               <enabledHintsElement enabledHintsAttribute="de.slisson.mps.conditionalEditor.hints.editor.conditionalEditorHints.conditionalEditor" />
             </enabledHints>
           </inspectorMemento>
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       </provider>
     </entry>
-    <entry file="mps://node://RecordTypes/RecordTypes.structure/Sel">
+    <entry file="mps://node://FORecursiveTypes/FORecursiveTypes.structure/&lt;no name&gt;[ConceptDeclaration]" />
+    <entry file="mps://node://FORecursiveTypes_Checker/FORecursiveTypes_Checker.model/&lt;no name&gt;[LatticeDefinitionModule]" />
+    <entry file="mps://node://FORecursiveTypes_Checker/FORecursiveTypes_Checker.model/&lt;no name&gt;[PatternFunctionModule]" />
+    <entry file="mps://node://FORecursiveTypes/FORecursiveTypes.structure/Case">
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         <state class="jetbrains.mps.ide.editor.tabs.TabbedEditor$TabbedEditorState">
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                 <property name="hasNonTrivialSelection" value="false" />
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+                <property name="caretX" value="71" />
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@@ -2435,7 +2523,7 @@
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@@ -2446,22 +2534,22 @@
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-    <entry file="mps://node://RecordTypes_Checker/RecordTypes_Checker.test.fail_rec_illtyped_within/FailRecIllTypedWithin">
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       <provider selected="true" editor-type-id="MPSFileEditor">
-        <state class="jetbrains.mps.ide.editor.BaseNodeEditor$BaseEditorState">
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                 <property name="caretX" value="71" />
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@@ -2470,7 +2558,7 @@
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@@ -2481,21 +2569,22 @@
               <enabledHintsElement enabledHintsAttribute="de.slisson.mps.conditionalEditor.hints.editor.conditionalEditorHints.conditionalEditor" />
             </enabledHints>
           </inspectorMemento>
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       </provider>
     </entry>
-    <entry file="mps://node://RecordTypes_Checker/RecordTypes_Checker.test.ok_sel_first/OkSelFirst">
+    <entry file="mps://node://FORecursiveTypes/FORecursiveTypes.structure/UnitTerm">
       <provider selected="true" editor-type-id="MPSFileEditor">
-        <state class="jetbrains.mps.ide.editor.BaseNodeEditor$BaseEditorState">
+        <state class="jetbrains.mps.ide.editor.tabs.TabbedEditor$TabbedEditorState">
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                 <property name="hasNonTrivialSelection" value="false" />
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-                <property name="caretXRelative" value="8" />
+                <property name="caretX" value="31" />
+                <property name="caretXRelative" value="0" />
                 <property name="sideSelectDirection" value="NONE" />
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-                  <node node_reference="r:001c1241-534e-4e64-b37c-a62cc25f458d(RecordTypes_Checker.test.ok_sel_first)/8176999170103501459" />
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@@ -2504,7 +2593,7 @@
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@@ -2515,30 +2604,37 @@
               <enabledHintsElement enabledHintsAttribute="de.slisson.mps.conditionalEditor.hints.editor.conditionalEditorHints.conditionalEditor" />
             </enabledHints>
           </inspectorMemento>
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       </provider>
     </entry>
-    <entry file="mps://node://VariantTypes/VariantTypes.structure/ParensTerm">
+    <entry file="mps://node://RecordTypes_Checker/RecordTypes_Checker.model/Typing">
       <provider selected="true" editor-type-id="MPSFileEditor">
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+        <state class="jetbrains.mps.ide.editor.BaseNodeEditor$BaseEditorState">
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                 <property name="hasNonTrivialSelection" value="false" />
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-                <property name="caretXRelative" value="56" />
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               </stackElement>
             </selectionStack>
             <errorMarkers />
             <transactionalProperties />
-            <foldable />
+            <foldable>
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@@ -2549,22 +2645,21 @@
               <enabledHintsElement enabledHintsAttribute="de.slisson.mps.conditionalEditor.hints.editor.conditionalEditorHints.conditionalEditor" />
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     </entry>
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+    <entry file="mps://node://FORecursiveTypes/FORecursiveTypes.structure/UnitType">
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         <state class="jetbrains.mps.ide.editor.tabs.TabbedEditor$TabbedEditorState">
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                 <property name="hasNonTrivialSelection" value="false" />
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@@ -2573,7 +2668,7 @@
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@@ -2584,31 +2679,485 @@
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     </entry>
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       <provider selected="true" editor-type-id="MPSFileEditor">
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         </state>
       </provider>
     </entry>
-    <entry file="mps://node://FORecursiveTypes/FORecursiveTypes.structure/&lt;no name&gt;[ConceptDeclaration]">
+    <entry file="mps://node://FORecursiveTypes_Checker@transient6/FORecursiveTypes_Checker.model@0/Typing">
       <provider selected="true" editor-type-id="MPSFileEditor">
-        <state class="jetbrains.mps.ide.editor.tabs.TabbedEditor$TabbedEditorState">
-          <memento saveSessionState="false" viewPositionX="0" viewPositionY="0">
+        <state class="jetbrains.mps.ide.editor.BaseNodeEditor$BaseEditorState">
+          <memento saveSessionState="false" viewPositionX="0" viewPositionY="1084">
             <selectionStack />
             <errorMarkers />
             <transactionalProperties />
             <foldable />
             <restoreAlways />
           </memento>
-          <inspectorMemento saveSessionState="false" viewPositionX="0" viewPositionY="0">
+          <inspectorMemento currentlyEditedNode="r:496fd334-aad6-4ea7-8581-61780f6d6041(FORecursiveTypes_Checker.model)/146348466721090592" saveSessionState="false" viewPositionX="0" viewPositionY="0">
             <selectionStack />
             <errorMarkers />
             <transactionalProperties />
             <foldable />
             <restoreAlways />
+            <enabledHints>
+              <enabledHintsElement enabledHintsAttribute="de.slisson.mps.conditionalEditor.hints.editor.conditionalEditorHints.conditionalEditor_doNotUseThisHint" />
+              <enabledHintsElement enabledHintsAttribute="de.slisson.mps.conditionalEditor.hints.editor.conditionalEditorHints.conditionalEditor" />
+            </enabledHints>
           </inspectorMemento>
-          <node />
         </state>
       </provider>
     </entry>
-    <entry file="mps://node://FORecursiveTypes/FORecursiveTypes.structure/&lt;no name&gt;[ConceptDeclaration]">
+    <entry file="mps://node://FORecursiveTypes_Checker/FORecursiveTypes_Checker.model/Typing">
       <provider selected="true" editor-type-id="MPSFileEditor">
-        <state class="jetbrains.mps.ide.editor.tabs.TabbedEditor$TabbedEditorState">
-          <memento saveSessionState="false" viewPositionX="0" viewPositionY="0">
+        <state class="jetbrains.mps.ide.editor.BaseNodeEditor$BaseEditorState">
+          <memento saveSessionState="false" viewPositionX="0" viewPositionY="6996">
             <selectionStack>
               <stackElement className="jetbrains.mps.nodeEditor.selection.EditorCellLabelSelection">
-                <property name="hasNonTrivialSelection" value="false" />
-                <property name="caretX" value="71" />
-                <property name="caretXRelative" value="56" />
+                <property name="selectionStart" value="0" />
+                <property name="hasNonTrivialSelection" value="true" />
+                <property name="caretX" value="215" />
+                <property name="selectionEnd" value="9" />
+                <property name="caretXRelative" value="72" />
                 <property name="sideSelectDirection" value="NONE" />
-                <cellInfo cellId="Constant_ueqr71_c0a">
-                  <node node_reference="r:dbbc3a30-e198-4dc0-ba2b-f425856d088c(FORecursiveTypes.structure)/8032141838602454975" />
+                <cellInfo cellId="property_name">
+                  <node node_reference="r:496fd334-aad6-4ea7-8581-61780f6d6041(FORecursiveTypes_Checker.model)/146348466721090592" />
                 </cellInfo>
               </stackElement>
             </selectionStack>
             <errorMarkers />
             <transactionalProperties />
-            <foldable />
+            <foldable>
+              <collapsedElement isCollapsed="false">
+                <cellIdElement cellId="refNodeList_imports">
+                  <node node_reference="r:496fd334-aad6-4ea7-8581-61780f6d6041(FORecursiveTypes_Checker.model)/8032141838602820238" />
+                </cellIdElement>
+              </collapsedElement>
+            </foldable>
             <restoreAlways />
           </memento>
-          <inspectorMemento currentlyEditedNode="r:dbbc3a30-e198-4dc0-ba2b-f425856d088c(FORecursiveTypes.structure)/8032141838602814340" saveSessionState="false" viewPositionX="0" viewPositionY="0">
+          <inspectorMemento currentlyEditedNode="r:496fd334-aad6-4ea7-8581-61780f6d6041(FORecursiveTypes_Checker.model)/146348466721090592" saveSessionState="false" viewPositionX="0" viewPositionY="0">
             <selectionStack />
             <errorMarkers />
             <transactionalProperties />
@@ -3030,7 +3662,6 @@
               <enabledHintsElement enabledHintsAttribute="de.slisson.mps.conditionalEditor.hints.editor.conditionalEditorHints.conditionalEditor" />
             </enabledHints>
           </inspectorMemento>
-          <node node_ref="r:dbbc3a30-e198-4dc0-ba2b-f425856d088c(FORecursiveTypes.structure)/8032141838602454975" />
         </state>
       </provider>
     </entry>
diff --git a/inca-translation/languages/FORecursiveTypes/classes_gen/FORecursiveTypes/editor/trace.info b/inca-translation/languages/FORecursiveTypes/classes_gen/FORecursiveTypes/editor/trace.info
index bf814e8ad7d20bee7dcefe7c54747443c963f4ad..cbdebd1dbad41b21e7899f4609d5b86c29dd1831 100644
--- a/inca-translation/languages/FORecursiveTypes/classes_gen/FORecursiveTypes/editor/trace.info
+++ b/inca-translation/languages/FORecursiveTypes/classes_gen/FORecursiveTypes/editor/trace.info
@@ -15,7 +15,7 @@
   <concept fqn="c:f3061a53-9226-4cc5-a443-f952ceaf5816/1153952380246:jetbrains.mps.baseLanguage.structure.TryStatement" />
   <root>
     <file name="EditorAspectDescriptorImpl.java">
-      <unit at="18,0,158,0" name="FORecursiveTypes.editor.EditorAspectDescriptorImpl" />
+      <unit at="18,0,162,0" name="FORecursiveTypes.editor.EditorAspectDescriptorImpl" />
     </file>
     <file name="GrammarActionsDescriptor.java">
       <unit at="858,51,862,5" name="FORecursiveTypes.editor.GrammarActionsDescriptor$12" />
@@ -159,6 +159,10 @@
       <unit at="45,0,55,0" name="FORecursiveTypes.editor.GrammarCellsSubstituteMenu_TypeVar$GrammarCellsSubstituteMenuPart_nasubc_a" />
       <unit at="20,0,56,0" name="FORecursiveTypes.editor.GrammarCellsSubstituteMenu_TypeVar" />
     </file>
+    <file name="GrammarCellsSubstituteMenu_UnitTerm.java">
+      <unit at="45,0,55,0" name="FORecursiveTypes.editor.GrammarCellsSubstituteMenu_UnitTerm$GrammarCellsSubstituteMenuPart_f5wgwm_a" />
+      <unit at="20,0,56,0" name="FORecursiveTypes.editor.GrammarCellsSubstituteMenu_UnitTerm" />
+    </file>
     <file name="GrammarCellsSubstituteMenu_UnitType.java">
       <unit at="45,0,55,0" name="FORecursiveTypes.editor.GrammarCellsSubstituteMenu_UnitType$GrammarCellsSubstituteMenuPart_f5woal_a" />
       <unit at="20,0,56,0" name="FORecursiveTypes.editor.GrammarCellsSubstituteMenu_UnitType" />
@@ -8000,5 +8004,48 @@
       <unit id="8032141838602455031" at="48,0,544,0" name="FORecursiveTypes.editor.LetType_EditorBuilder_a" />
     </file>
   </root>
+  <root nodeRef="r:e04d5d3a-ed4c-4c4e-9fd2-08a19036ac61(FORecursiveTypes.editor)/8032141838602814370">
+    <file name="UnitTerm_Editor.java">
+      <node id="8032141838602814370" at="11,79,12,74" concept="8" />
+      <node id="8032141838602814370" at="11,0,14,0" concept="6" trace="createEditorCell#(Ljetbrains/mps/openapi/editor/EditorContext;Lorg/jetbrains/mps/openapi/model/SNode;)Ljetbrains/mps/openapi/editor/cells/EditorCell;" />
+      <scope id="8032141838602814370" at="11,79,12,74" />
+      <scope id="8032141838602814370" at="11,0,14,0">
+        <var name="editorContext" id="8032141838602814370" />
+        <var name="node" id="8032141838602814370" />
+      </scope>
+      <unit id="8032141838602814370" at="10,0,15,0" name="FORecursiveTypes.editor.UnitTerm_Editor" />
+    </file>
+    <file name="UnitTerm_EditorBuilder_a.java">
+      <node id="8032141838602814370" at="16,88,17,19" concept="11" />
+      <node id="8032141838602814370" at="17,19,18,18" concept="2" />
+      <node id="8032141838602814370" at="23,26,24,18" concept="8" />
+      <node id="8032141838602814370" at="27,39,28,30" concept="8" />
+      <node id="8032141838602814372" at="31,41,32,97" concept="7" />
+      <node id="8032141838602814372" at="32,97,33,46" concept="2" />
+      <node id="8032141838602814372" at="33,46,34,28" concept="2" />
+      <node id="8032141838602814372" at="34,28,35,31" concept="2" />
+      <node id="8032141838602814372" at="35,31,36,34" concept="2" />
+      <node id="8032141838602814372" at="36,34,37,22" concept="8" />
+      <node id="8032141838602814370" at="13,0,15,0" concept="3" trace="myNode" />
+      <node id="8032141838602814370" at="27,0,30,0" concept="6" trace="createCell#()Ljetbrains/mps/openapi/editor/cells/EditorCell;" />
+      <node id="8032141838602814370" at="16,0,20,0" concept="1" trace="UnitTerm_EditorBuilder_a#(Ljetbrains/mps/openapi/editor/EditorContext;Lorg/jetbrains/mps/openapi/model/SNode;)V" />
+      <node id="8032141838602814370" at="21,0,26,0" concept="6" trace="getNode#()Lorg/jetbrains/mps/openapi/model/SNode;" />
+      <node id="8032141838602814372" at="31,0,39,0" concept="6" trace="createConstant_0#()Ljetbrains/mps/openapi/editor/cells/EditorCell;" />
+      <scope id="8032141838602814370" at="23,26,24,18" />
+      <scope id="8032141838602814370" at="27,39,28,30" />
+      <scope id="8032141838602814370" at="16,88,18,18" />
+      <scope id="8032141838602814370" at="27,0,30,0" />
+      <scope id="8032141838602814370" at="16,0,20,0">
+        <var name="context" id="8032141838602814370" />
+        <var name="node" id="8032141838602814370" />
+      </scope>
+      <scope id="8032141838602814370" at="21,0,26,0" />
+      <scope id="8032141838602814372" at="31,41,37,22">
+        <var name="editorCell" id="8032141838602814372" />
+      </scope>
+      <scope id="8032141838602814372" at="31,0,39,0" />
+      <unit id="8032141838602814370" at="12,0,40,0" name="FORecursiveTypes.editor.UnitTerm_EditorBuilder_a" />
+    </file>
+  </root>
 </debug-info>
 
diff --git a/inca-translation/languages/FORecursiveTypes/classes_gen/FORecursiveTypes/structure/aspectcps-descriptorclasses.mps b/inca-translation/languages/FORecursiveTypes/classes_gen/FORecursiveTypes/structure/aspectcps-descriptorclasses.mps
index 24a97e081f43aff9cb24e7fe954f6ce42366d3ea..e1a90c96dd27792650e158def7a7fab2bf6ad1b4 100644
--- a/inca-translation/languages/FORecursiveTypes/classes_gen/FORecursiveTypes/structure/aspectcps-descriptorclasses.mps
+++ b/inca-translation/languages/FORecursiveTypes/classes_gen/FORecursiveTypes/structure/aspectcps-descriptorclasses.mps
@@ -202,313 +202,323 @@
       <property role="34CwA1" value="false" />
       <property role="3TUv4t" value="false" />
       <property role="TrG5h" value="props_Add" />
-      <node concept="3uibUv" id="x" role="1tU5fm">
+      <node concept="3uibUv" id="y" role="1tU5fm">
         <ref role="3uigEE" to="ze1i:~ConceptPresentation" resolve="ConceptPresentation" />
       </node>
-      <node concept="3Tm6S6" id="y" role="1B3o_S" />
+      <node concept="3Tm6S6" id="z" role="1B3o_S" />
     </node>
     <node concept="312cEg" id="3" role="jymVt">
       <property role="eg7rD" value="false" />
       <property role="34CwA1" value="false" />
       <property role="3TUv4t" value="false" />
       <property role="TrG5h" value="props_Anno" />
-      <node concept="3uibUv" id="z" role="1tU5fm">
+      <node concept="3uibUv" id="$" role="1tU5fm">
         <ref role="3uigEE" to="ze1i:~ConceptPresentation" resolve="ConceptPresentation" />
       </node>
-      <node concept="3Tm6S6" id="$" role="1B3o_S" />
+      <node concept="3Tm6S6" id="_" role="1B3o_S" />
     </node>
     <node concept="312cEg" id="4" role="jymVt">
       <property role="eg7rD" value="false" />
       <property role="34CwA1" value="false" />
       <property role="3TUv4t" value="false" />
       <property role="TrG5h" value="props_App" />
-      <node concept="3uibUv" id="_" role="1tU5fm">
+      <node concept="3uibUv" id="A" role="1tU5fm">
         <ref role="3uigEE" to="ze1i:~ConceptPresentation" resolve="ConceptPresentation" />
       </node>
-      <node concept="3Tm6S6" id="A" role="1B3o_S" />
+      <node concept="3Tm6S6" id="B" role="1B3o_S" />
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       <property role="eg7rD" value="false" />
       <property role="34CwA1" value="false" />
       <property role="3TUv4t" value="false" />
       <property role="TrG5h" value="props_Case" />
-      <node concept="3uibUv" id="B" role="1tU5fm">
+      <node concept="3uibUv" id="C" role="1tU5fm">
         <ref role="3uigEE" to="ze1i:~ConceptPresentation" resolve="ConceptPresentation" />
       </node>
-      <node concept="3Tm6S6" id="C" role="1B3o_S" />
+      <node concept="3Tm6S6" id="D" role="1B3o_S" />
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       <property role="3TUv4t" value="false" />
       <property role="TrG5h" value="props_Fun" />
-      <node concept="3uibUv" id="D" role="1tU5fm">
+      <node concept="3uibUv" id="E" role="1tU5fm">
         <ref role="3uigEE" to="ze1i:~ConceptPresentation" resolve="ConceptPresentation" />
       </node>
-      <node concept="3Tm6S6" id="E" role="1B3o_S" />
+      <node concept="3Tm6S6" id="F" role="1B3o_S" />
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       <property role="TrG5h" value="props_IModuleElem" />
-      <node concept="3uibUv" id="F" role="1tU5fm">
+      <node concept="3uibUv" id="G" role="1tU5fm">
         <ref role="3uigEE" to="ze1i:~ConceptPresentation" resolve="ConceptPresentation" />
       </node>
-      <node concept="3Tm6S6" id="G" role="1B3o_S" />
+      <node concept="3Tm6S6" id="H" role="1B3o_S" />
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       <property role="3TUv4t" value="false" />
       <property role="TrG5h" value="props_Lam" />
-      <node concept="3uibUv" id="H" role="1tU5fm">
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       </node>
-      <node concept="3Tm6S6" id="I" role="1B3o_S" />
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       <property role="TrG5h" value="props_Let" />
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       </node>
-      <node concept="3Tm6S6" id="K" role="1B3o_S" />
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       <property role="TrG5h" value="props_LetType" />
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       <property role="TrG5h" value="props_Nat" />
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       <property role="TrG5h" value="myConceptMatch" />
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       <property role="TrG5h" value="myConceptModuleElemEmpty" />
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       <property role="TrG5h" value="myConceptModuleImport" />
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       <property role="TrG5h" value="myConceptParensTerm" />
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       <property role="TrG5h" value="myConceptParensType" />
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       <property role="TrG5h" value="myConceptSucc" />
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+        <ref role="3uigEE" to="ze1i:~ConceptDescriptor" resolve="ConceptDescriptor" />
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+        <ref role="3uigEE" node="eB" resolve="LanguageConceptSwitch" />
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diff --git a/inca-translation/languages/FORecursiveTypes/classes_gen/FORecursiveTypes/structure/trace.info b/inca-translation/languages/FORecursiveTypes/classes_gen/FORecursiveTypes/structure/trace.info
index fe274dd9336344d8d97162215edf750c97296915..b89e539bf76c9a02e38b031af8821a7b743d6753 100644
--- a/inca-translation/languages/FORecursiveTypes/classes_gen/FORecursiveTypes/structure/trace.info
+++ b/inca-translation/languages/FORecursiveTypes/classes_gen/FORecursiveTypes/structure/trace.info
@@ -9,1006 +9,1040 @@
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+      <unit at="11,0,251,0" name="FORecursiveTypes.structure.ConceptPresentationAspectImpl" />
     </file>
     <file name="LanguageConceptSwitch.java">
-      <unit at="10,0,82,0" name="FORecursiveTypes.structure.LanguageConceptSwitch" />
+      <unit at="10,0,84,0" name="FORecursiveTypes.structure.LanguageConceptSwitch" />
     </file>
     <file name="StructureAspectDescriptor.java">
-      <unit at="16,0,399,0" name="FORecursiveTypes.structure.StructureAspectDescriptor" />
+      <unit at="16,0,410,0" name="FORecursiveTypes.structure.StructureAspectDescriptor" />
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   </root>
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