diff --git a/CHANGELOG.md b/CHANGELOG.md
index d55eb6068b..1d733967d9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project are documented in this file.
 Format of the log is _loosely_ based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 The project does _not_ follow Semantic Versioning and the changes are documented in reverse chronological order, grouped by calendar month.
 
+## October 2024
+
+### Fixed
+
+- The end cells of table rows of all tables where improved and now all support delete and insert actions.
+
 ## August 2024
 
 ### Added
diff --git a/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.lookup/models/editor.mps b/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.lookup/models/editor.mps
index c2ce87d22d..2d2c9a63a3 100644
--- a/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.lookup/models/editor.mps
+++ b/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.lookup/models/editor.mps
@@ -18,9 +18,10 @@
     <import index="33ny" ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065/java:java.util(JDK/)" />
     <import index="5ueo" ref="1ed103c3-3aa6-49b7-9c21-6765ee11f224/java:jetbrains.mps.editor.runtime.style(MPS.Editor/)" />
     <import index="hox0" ref="1ed103c3-3aa6-49b7-9c21-6765ee11f224/java:jetbrains.mps.openapi.editor.style(MPS.Editor/)" />
+    <import index="6dpw" ref="r:ea653f2d-c829-4182-b311-a544ef1f4c1f(de.slisson.mps.tables.runtime.gridmodel)" />
+    <import index="sse1" ref="r:caea7020-da0a-4ba8-aff6-69334bbc9e02(de.slisson.mps.tables.runtime.simplegrid)" />
     <import index="itrz" ref="r:80fb0853-eb3b-4e84-aebd-cc7fdb011d97(org.iets3.core.base.editor)" implicit="true" />
     <import index="tpck" ref="r:00000000-0000-4000-0000-011c89590288(jetbrains.mps.lang.core.structure)" implicit="true" />
-    <import index="6dpw" ref="r:ea653f2d-c829-4182-b311-a544ef1f4c1f(de.slisson.mps.tables.runtime.gridmodel)" implicit="true" />
   </imports>
   <registry>
     <language id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor">
@@ -92,6 +93,9 @@
         <child id="1197027771414" name="operand" index="2Oq$k0" />
         <child id="1197027833540" name="operation" index="2OqNvi" />
       </concept>
+      <concept id="1145552977093" name="jetbrains.mps.baseLanguage.structure.GenericNewExpression" flags="nn" index="2ShNRf">
+        <child id="1145553007750" name="creator" index="2ShVmc" />
+      </concept>
       <concept id="1137021947720" name="jetbrains.mps.baseLanguage.structure.ConceptFunction" flags="in" index="2VMwT0">
         <child id="1137022507850" name="body" index="2VODD2" />
       </concept>
@@ -269,6 +273,9 @@
     <language id="7866978e-a0f0-4cc7-81bc-4d213d9375e1" name="jetbrains.mps.lang.smodel">
       <concept id="1139184414036" name="jetbrains.mps.lang.smodel.structure.LinkList_AddNewChildOperation" flags="nn" index="WFELt" />
       <concept id="1171999116870" name="jetbrains.mps.lang.smodel.structure.Node_IsNullOperation" flags="nn" index="3w_OXm" />
+      <concept id="1180636770613" name="jetbrains.mps.lang.smodel.structure.SNodeCreator" flags="nn" index="3zrR0B">
+        <child id="1180636770616" name="createdType" index="3zrR0E" />
+      </concept>
       <concept id="1138055754698" name="jetbrains.mps.lang.smodel.structure.SNodeType" flags="in" index="3Tqbb2">
         <reference id="1138405853777" name="concept" index="ehGHo" />
       </concept>
@@ -313,6 +320,10 @@
       <concept id="1160612413312" name="jetbrains.mps.baseLanguage.collections.structure.AddElementOperation" flags="nn" index="TSZUe" />
       <concept id="1162934736510" name="jetbrains.mps.baseLanguage.collections.structure.GetElementOperation" flags="nn" index="34jXtK" />
       <concept id="1162935959151" name="jetbrains.mps.baseLanguage.collections.structure.GetSizeOperation" flags="nn" index="34oBXx" />
+      <concept id="1225621920911" name="jetbrains.mps.baseLanguage.collections.structure.InsertElementOperation" flags="nn" index="1sK_Qi">
+        <child id="1225621943565" name="element" index="1sKFgg" />
+        <child id="1225621960341" name="index" index="1sKJu8" />
+      </concept>
       <concept id="1165530316231" name="jetbrains.mps.baseLanguage.collections.structure.IsEmptyOperation" flags="nn" index="1v1jN8" />
       <concept id="1225727723840" name="jetbrains.mps.baseLanguage.collections.structure.FindFirstOperation" flags="nn" index="1z4cxt" />
       <concept id="1202120902084" name="jetbrains.mps.baseLanguage.collections.structure.WhereOperation" flags="nn" index="3zZkjj" />
@@ -704,14 +715,23 @@
                         <node concept="3Tqbb2" id="55lPkJGKBxL" role="1tU5fm">
                           <ref role="ehGHo" to="8qwc:55lPkJGLB68" resolve="LookupTableHeader" />
                         </node>
-                        <node concept="2OqwBi" id="55lPkJGKBxO" role="33vP2m">
-                          <node concept="2OqwBi" id="55lPkJGKBxP" role="2Oq$k0">
-                            <node concept="2r2w_c" id="55lPkJGKBxQ" role="2Oq$k0" />
-                            <node concept="3Tsc0h" id="55lPkJGKBxR" role="2OqNvi">
+                        <node concept="2OqwBi" id="74LepNSa0mK" role="33vP2m">
+                          <node concept="2OqwBi" id="74LepNS9XMx" role="2Oq$k0">
+                            <node concept="2r2w_c" id="74LepNS9X7m" role="2Oq$k0" />
+                            <node concept="3Tsc0h" id="74LepNS9YqF" role="2OqNvi">
                               <ref role="3TtcxE" to="8qwc:55lPkJGHmp6" resolve="rows" />
                             </node>
                           </node>
-                          <node concept="WFELt" id="55lPkJGKBxS" role="2OqNvi" />
+                          <node concept="1sK_Qi" id="74LepNSa2$s" role="2OqNvi">
+                            <node concept="10bopy" id="74LepNSa2Cq" role="1sKJu8" />
+                            <node concept="2ShNRf" id="74LepNSapdF" role="1sKFgg">
+                              <node concept="3zrR0B" id="74LepNSapZM" role="2ShVmc">
+                                <node concept="3Tqbb2" id="74LepNSapZO" role="3zrR0E">
+                                  <ref role="ehGHo" to="8qwc:55lPkJGLB68" resolve="LookupTableHeader" />
+                                </node>
+                              </node>
+                            </node>
+                          </node>
                         </node>
                       </node>
                     </node>
@@ -729,10 +749,10 @@
                         <node concept="3clFbF" id="55lPkJGKFDJ" role="3cqZAp">
                           <node concept="2OqwBi" id="55lPkJGKIwk" role="3clFbG">
                             <node concept="2OqwBi" id="55lPkJGKFPT" role="2Oq$k0">
-                              <node concept="2r2w_c" id="55lPkJGKFDI" role="2Oq$k0" />
                               <node concept="3Tsc0h" id="55lPkJGKLS7" role="2OqNvi">
                                 <ref role="3TtcxE" to="8qwc:55lPkJGINeh" resolve="cells" />
                               </node>
+                              <node concept="2r2w_c" id="55lPkJGKFDI" role="2Oq$k0" />
                             </node>
                             <node concept="TSZUe" id="55lPkJGKQA9" role="2OqNvi">
                               <node concept="2pJPEk" id="55lPkJGKR1H" role="25WWJ7">
@@ -906,10 +926,10 @@
                           <node concept="3clFbF" id="55lPkJGO3wG" role="3cqZAp">
                             <node concept="2OqwBi" id="55lPkJGO3wH" role="3clFbG">
                               <node concept="2OqwBi" id="55lPkJGO3wI" role="2Oq$k0">
-                                <node concept="2r2w_c" id="55lPkJGO3wJ" role="2Oq$k0" />
                                 <node concept="3Tsc0h" id="55lPkJGO3wK" role="2OqNvi">
                                   <ref role="3TtcxE" to="8qwc:55lPkJGINeh" resolve="cells" />
                                 </node>
+                                <node concept="2r2w_c" id="55lPkJGO3wJ" role="2Oq$k0" />
                               </node>
                               <node concept="TSZUe" id="55lPkJGO3wL" role="2OqNvi">
                                 <node concept="2pJPEk" id="55lPkJGO3wM" role="25WWJ7">
@@ -1049,17 +1069,17 @@
                   <node concept="liA8E" id="55lPkJGGEGb" role="2OqNvi">
                     <ref role="37wK5l" to="6dpw:DXnsYPPSef" resolve="setCell" />
                     <node concept="3cmrfG" id="55lPkJGGEIH" role="37wK5m">
-                      <property role="3cmrfH" value="0" />
+                      <property role="3cmrfH" value="1" />
                     </node>
                     <node concept="3cmrfG" id="55lPkJGGFvq" role="37wK5m">
                       <property role="3cmrfH" value="1" />
                     </node>
-                    <node concept="2OqwBi" id="55lPkJGGFYN" role="37wK5m">
-                      <node concept="1frAZD" id="55lPkJGGFCo" role="2Oq$k0" />
-                      <node concept="2CJim2" id="55lPkJGGGei" role="2OqNvi">
-                        <node concept="2r2w_c" id="55lPkJGGGlM" role="2CJshu" />
-                        <node concept="2CJsh3" id="55lPkJGGGek" role="2CJshi">
-                          <node concept="3F1sOY" id="55lPkJGGGpI" role="2wV5jI">
+                    <node concept="2OqwBi" id="74LepNRJZ$V" role="37wK5m">
+                      <node concept="1frAZD" id="74LepNRJZ$W" role="2Oq$k0" />
+                      <node concept="2CJim2" id="74LepNRJZ$X" role="2OqNvi">
+                        <node concept="2r2w_c" id="74LepNRJZ$Y" role="2CJshu" />
+                        <node concept="2CJsh3" id="74LepNRJZ$Z" role="2CJshi">
+                          <node concept="3F1sOY" id="74LepNRJZ_0" role="2wV5jI">
                             <ref role="1NtTu8" to="8qwc:55lPkJGFLTi" resolve="rowType" />
                           </node>
                         </node>
diff --git a/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.repl/models/org/iets3/core/expr/repl/behavior.mps b/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.repl/models/org/iets3/core/expr/repl/behavior.mps
index 043226a016..432401ea1e 100644
--- a/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.repl/models/org/iets3/core/expr/repl/behavior.mps
+++ b/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.repl/models/org/iets3/core/expr/repl/behavior.mps
@@ -73,6 +73,9 @@
       <concept id="1082485599095" name="jetbrains.mps.baseLanguage.structure.BlockStatement" flags="nn" index="9aQIb">
         <child id="1082485599096" name="statements" index="9aQI4" />
       </concept>
+      <concept id="7485977462274819189" name="jetbrains.mps.baseLanguage.structure.FormatOperation" flags="ng" index="2cAKMz">
+        <child id="7485977462274819664" name="arguments" index="2cAKU6" />
+      </concept>
       <concept id="1215693861676" name="jetbrains.mps.baseLanguage.structure.BaseAssignmentExpression" flags="nn" index="d038R">
         <child id="1068498886297" name="rValue" index="37vLTx" />
         <child id="1068498886295" name="lValue" index="37vLTJ" />
@@ -120,6 +123,9 @@
       <concept id="1081236700937" name="jetbrains.mps.baseLanguage.structure.StaticMethodCall" flags="nn" index="2YIFZM">
         <reference id="1144433194310" name="classConcept" index="1Pybhc" />
       </concept>
+      <concept id="1164991038168" name="jetbrains.mps.baseLanguage.structure.ThrowStatement" flags="nn" index="YS8fn">
+        <child id="1164991057263" name="throwable" index="YScLw" />
+      </concept>
       <concept id="1081256982272" name="jetbrains.mps.baseLanguage.structure.InstanceOfExpression" flags="nn" index="2ZW3vV">
         <child id="1081256993305" name="classType" index="2ZW6by" />
         <child id="1081256993304" name="leftExpression" index="2ZW6bz" />
@@ -146,6 +152,9 @@
         <property id="1176718929932" name="isFinal" index="3TUv4t" />
         <child id="1068431790190" name="initializer" index="33vP2m" />
       </concept>
+      <concept id="1513279640923991009" name="jetbrains.mps.baseLanguage.structure.IGenericClassCreator" flags="ng" index="366HgL">
+        <property id="1513279640906337053" name="inferTypeParams" index="373rjd" />
+      </concept>
       <concept id="1092119917967" name="jetbrains.mps.baseLanguage.structure.MulExpression" flags="nn" index="17qRlL" />
       <concept id="1068498886296" name="jetbrains.mps.baseLanguage.structure.VariableReference" flags="nn" index="37vLTw">
         <reference id="1068581517664" name="variableDeclaration" index="3cqZAo" />
@@ -228,6 +237,7 @@
         <child id="1081773367580" name="leftExpression" index="3uHU7B" />
       </concept>
       <concept id="1214918800624" name="jetbrains.mps.baseLanguage.structure.PostfixIncrementExpression" flags="nn" index="3uNrnE" />
+      <concept id="1214918975462" name="jetbrains.mps.baseLanguage.structure.PostfixDecrementExpression" flags="nn" index="3uO5VW" />
       <concept id="3093926081414150598" name="jetbrains.mps.baseLanguage.structure.MultipleCatchClause" flags="ng" index="3uVAMA">
         <child id="8276990574895933173" name="catchBody" index="1zc67A" />
         <child id="8276990574895933172" name="throwable" index="1zc67B" />
@@ -251,6 +261,7 @@
         <child id="8276990574886367509" name="finallyClause" index="1zxBo6" />
         <child id="8276990574886367508" name="body" index="1zxBo7" />
       </concept>
+      <concept id="1082113931046" name="jetbrains.mps.baseLanguage.structure.ContinueStatement" flags="nn" index="3N13vt" />
       <concept id="6329021646629104954" name="jetbrains.mps.baseLanguage.structure.SingleLineComment" flags="nn" index="3SKdUt">
         <child id="8356039341262087992" name="line" index="1aUNEU" />
       </concept>
@@ -393,6 +404,10 @@
       <concept id="1162934736510" name="jetbrains.mps.baseLanguage.collections.structure.GetElementOperation" flags="nn" index="34jXtK" />
       <concept id="1162935959151" name="jetbrains.mps.baseLanguage.collections.structure.GetSizeOperation" flags="nn" index="34oBXx" />
       <concept id="1175845471038" name="jetbrains.mps.baseLanguage.collections.structure.ReverseOperation" flags="nn" index="35Qw8J" />
+      <concept id="1225621920911" name="jetbrains.mps.baseLanguage.collections.structure.InsertElementOperation" flags="nn" index="1sK_Qi">
+        <child id="1225621943565" name="element" index="1sKFgg" />
+        <child id="1225621960341" name="index" index="1sKJu8" />
+      </concept>
       <concept id="1165595910856" name="jetbrains.mps.baseLanguage.collections.structure.GetLastOperation" flags="nn" index="1yVyf7" />
       <concept id="1202120902084" name="jetbrains.mps.baseLanguage.collections.structure.WhereOperation" flags="nn" index="3zZkjj" />
       <concept id="1202128969694" name="jetbrains.mps.baseLanguage.collections.structure.SelectOperation" flags="nn" index="3$u5V9" />
@@ -2772,8 +2787,8 @@
               <ref role="3uigEE" to="pbu6:4_qY3E5IXRD" resolve="DefaultCoverageAnalyzer" />
             </node>
             <node concept="2ShNRf" id="7obiejCzImJ" role="33vP2m">
-              <node concept="HV5vD" id="7obiejCzImK" role="2ShVmc">
-                <ref role="HV5vE" to="pbu6:4_qY3E5IXRD" resolve="DefaultCoverageAnalyzer" />
+              <node concept="1pGfFk" id="74LepNSq2fB" role="2ShVmc">
+                <ref role="37wK5l" to="pbu6:7ezRWquAAWk" resolve="DefaultCoverageAnalyzer" />
               </node>
             </node>
           </node>
@@ -3090,9 +3105,6 @@
             </node>
             <node concept="34jXtK" id="5avmkTFbPr1" role="2OqNvi">
               <node concept="3cpWs3" id="5avmkTFbRVZ" role="25WWJ7">
-                <node concept="37vLTw" id="5avmkTFbRWb" role="3uHU7w">
-                  <ref role="3cqZAo" node="5avmkTFbHM4" resolve="row" />
-                </node>
                 <node concept="17qRlL" id="5avmkTFbQbl" role="3uHU7B">
                   <node concept="37vLTw" id="5avmkTFbPwy" role="3uHU7B">
                     <ref role="3cqZAo" node="5avmkTFbHLG" resolve="col" />
@@ -3104,6 +3116,9 @@
                     </node>
                   </node>
                 </node>
+                <node concept="37vLTw" id="5avmkTFbRWb" role="3uHU7w">
+                  <ref role="3cqZAo" node="5avmkTFbHM4" resolve="row" />
+                </node>
               </node>
             </node>
           </node>
@@ -3118,6 +3133,249 @@
         <node concept="10Oyi0" id="5avmkTFbHMb" role="1tU5fm" />
       </node>
     </node>
+    <node concept="13i0hz" id="74LepNSqhZb" role="13h7CS">
+      <property role="TrG5h" value="setCell" />
+      <node concept="3Tm1VV" id="74LepNSqhZc" role="1B3o_S" />
+      <node concept="3clFbS" id="74LepNSqhZe" role="3clF47">
+        <node concept="3clFbF" id="74LepNSqt71" role="3cqZAp">
+          <node concept="2OqwBi" id="74LepNSqvR0" role="3clFbG">
+            <node concept="2OqwBi" id="74LepNSqtsc" role="2Oq$k0">
+              <node concept="13iPFW" id="74LepNSqt6Z" role="2Oq$k0" />
+              <node concept="3Tsc0h" id="74LepNSqtVo" role="2OqNvi">
+                <ref role="3TtcxE" to="wtll:5xEoEMrnaAC" resolve="cells" />
+              </node>
+            </node>
+            <node concept="1sK_Qi" id="74LepNSqwm3" role="2OqNvi">
+              <node concept="37vLTw" id="74LepNSqwA4" role="1sKFgg">
+                <ref role="3cqZAo" node="74LepNSqqP4" resolve="cell" />
+              </node>
+              <node concept="3cpWs3" id="74LepNSqwtd" role="1sKJu8">
+                <node concept="37vLTw" id="74LepNSqwte" role="3uHU7w">
+                  <ref role="3cqZAo" node="74LepNSqhZu" resolve="row" />
+                </node>
+                <node concept="17qRlL" id="74LepNSqwtf" role="3uHU7B">
+                  <node concept="37vLTw" id="74LepNSqwtg" role="3uHU7B">
+                    <ref role="3cqZAo" node="74LepNSqhZs" resolve="col" />
+                  </node>
+                  <node concept="2OqwBi" id="74LepNSqwth" role="3uHU7w">
+                    <node concept="13iPFW" id="74LepNSqwti" role="2Oq$k0" />
+                    <node concept="3TrcHB" id="74LepNSqwtj" role="2OqNvi">
+                      <ref role="3TsBF5" to="wtll:5avmkTF$G24" resolve="NUM_ROWS" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+      </node>
+      <node concept="37vLTG" id="74LepNSqqP4" role="3clF46">
+        <property role="TrG5h" value="cell" />
+        <node concept="3Tqbb2" id="74LepNSqhZd" role="1tU5fm">
+          <ref role="ehGHo" to="wtll:5xEoEMrm2D8" resolve="Cell" />
+        </node>
+      </node>
+      <node concept="37vLTG" id="74LepNSqhZs" role="3clF46">
+        <property role="TrG5h" value="col" />
+        <node concept="10Oyi0" id="74LepNSqhZt" role="1tU5fm" />
+      </node>
+      <node concept="37vLTG" id="74LepNSqhZu" role="3clF46">
+        <property role="TrG5h" value="row" />
+        <node concept="10Oyi0" id="74LepNSqhZv" role="1tU5fm" />
+      </node>
+      <node concept="3cqZAl" id="74LepNSqqoE" role="3clF45" />
+    </node>
+    <node concept="13i0hz" id="25cxNQUv$Rd" role="13h7CS">
+      <property role="TrG5h" value="deleteRow" />
+      <node concept="3Tm1VV" id="25cxNQUv$Re" role="1B3o_S" />
+      <node concept="3clFbS" id="25cxNQUv$Rf" role="3clF47">
+        <node concept="3clFbJ" id="1kYhlD5wOWg" role="3cqZAp">
+          <node concept="3clFbS" id="1kYhlD5wOWi" role="3clFbx">
+            <node concept="YS8fn" id="1kYhlD5xfNx" role="3cqZAp">
+              <node concept="2ShNRf" id="1kYhlD5xiQI" role="YScLw">
+                <node concept="1pGfFk" id="1kYhlD5xmyt" role="2ShVmc">
+                  <property role="373rjd" value="true" />
+                  <ref role="37wK5l" to="wyt6:~IllegalArgumentException.&lt;init&gt;(java.lang.String)" resolve="IllegalArgumentException" />
+                  <node concept="2OqwBi" id="1kYhlD5yyqF" role="37wK5m">
+                    <node concept="Xl_RD" id="1kYhlD5xrew" role="2Oq$k0">
+                      <property role="Xl_RC" value="the row must be &gt; 0 and &lt; %d" />
+                    </node>
+                    <node concept="2cAKMz" id="1kYhlD5yAzh" role="2OqNvi">
+                      <node concept="2OqwBi" id="1kYhlD5yiqg" role="2cAKU6">
+                        <node concept="13iPFW" id="1kYhlD5ydVz" role="2Oq$k0" />
+                        <node concept="3TrcHB" id="1kYhlD5ymai" role="2OqNvi">
+                          <ref role="3TsBF5" to="wtll:5avmkTF$G24" resolve="NUM_ROWS" />
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+          <node concept="22lmx$" id="1kYhlD5xG$i" role="3clFbw">
+            <node concept="3eOVzh" id="1kYhlD5xNMu" role="3uHU7B">
+              <node concept="3cmrfG" id="1kYhlD5xQRA" role="3uHU7w">
+                <property role="3cmrfH" value="0" />
+              </node>
+              <node concept="37vLTw" id="1kYhlD5xK9L" role="3uHU7B">
+                <ref role="3cqZAo" node="25cxNQUv$Ry" resolve="row" />
+              </node>
+            </node>
+            <node concept="2d3UOw" id="1kYhlD5wWP1" role="3uHU7w">
+              <node concept="2OqwBi" id="1kYhlD5x5Qn" role="3uHU7w">
+                <node concept="13iPFW" id="1kYhlD5x0Gm" role="2Oq$k0" />
+                <node concept="3TrcHB" id="1kYhlD5xar7" role="2OqNvi">
+                  <ref role="3TsBF5" to="wtll:5avmkTF$G24" resolve="NUM_ROWS" />
+                </node>
+              </node>
+              <node concept="37vLTw" id="1kYhlD5wS$a" role="3uHU7B">
+                <ref role="3cqZAo" node="25cxNQUv$Ry" resolve="row" />
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3cpWs8" id="25cxNQUKADH" role="3cqZAp">
+          <node concept="3cpWsn" id="25cxNQUKADK" role="3cpWs9">
+            <property role="TrG5h" value="newCells" />
+            <node concept="2I9FWS" id="25cxNQUKADF" role="1tU5fm">
+              <ref role="2I9WkF" to="wtll:5xEoEMrm2D8" resolve="Cell" />
+            </node>
+            <node concept="2ShNRf" id="25cxNQUKAUu" role="33vP2m">
+              <node concept="2T8Vx0" id="25cxNQUKBgw" role="2ShVmc">
+                <node concept="2I9FWS" id="25cxNQUKBgy" role="2T96Bj">
+                  <ref role="2I9WkF" to="wtll:5xEoEMrm2D8" resolve="Cell" />
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="1Dw8fO" id="25cxNQUE8Gz" role="3cqZAp">
+          <node concept="3cpWsn" id="25cxNQUE8G$" role="1Duv9x">
+            <property role="TrG5h" value="index" />
+            <node concept="10Oyi0" id="25cxNQUE8GA" role="1tU5fm" />
+            <node concept="3cmrfG" id="25cxNQUKCNM" role="33vP2m">
+              <property role="3cmrfH" value="0" />
+            </node>
+          </node>
+          <node concept="3eOVzh" id="25cxNQULsoL" role="1Dwp0S">
+            <node concept="37vLTw" id="25cxNQUE8GD" role="3uHU7B">
+              <ref role="3cqZAo" node="25cxNQUE8G$" resolve="index" />
+            </node>
+            <node concept="2OqwBi" id="25cxNQULU4B" role="3uHU7w">
+              <node concept="2OqwBi" id="25cxNQULKlQ" role="2Oq$k0">
+                <node concept="13iPFW" id="25cxNQULHjo" role="2Oq$k0" />
+                <node concept="3Tsc0h" id="25cxNQULPpw" role="2OqNvi">
+                  <ref role="3TtcxE" to="wtll:5xEoEMrnaAC" resolve="cells" />
+                </node>
+              </node>
+              <node concept="34oBXx" id="25cxNQULZyX" role="2OqNvi" />
+            </node>
+          </node>
+          <node concept="3clFbS" id="25cxNQUE8GL" role="2LFqv$">
+            <node concept="3clFbJ" id="25cxNQUKCXj" role="3cqZAp">
+              <node concept="22lmx$" id="25cxNQUTfBk" role="3clFbw">
+                <node concept="3clFbC" id="25cxNQUQ$ct" role="3uHU7w">
+                  <node concept="2dk9JS" id="25cxNQULd8c" role="3uHU7B">
+                    <node concept="37vLTw" id="25cxNQUL9C5" role="3uHU7B">
+                      <ref role="3cqZAo" node="25cxNQUE8G$" resolve="index" />
+                    </node>
+                    <node concept="2OqwBi" id="25cxNQUSWSD" role="3uHU7w">
+                      <node concept="13iPFW" id="25cxNQUSSsM" role="2Oq$k0" />
+                      <node concept="3TrcHB" id="25cxNQUT0T5" role="2OqNvi">
+                        <ref role="3TsBF5" to="wtll:5avmkTF$G1Z" resolve="NUM_COLS" />
+                      </node>
+                    </node>
+                  </node>
+                  <node concept="37vLTw" id="25cxNQUT8Nv" role="3uHU7w">
+                    <ref role="3cqZAo" node="25cxNQUv$Ry" resolve="row" />
+                  </node>
+                </node>
+                <node concept="3clFbC" id="25cxNQUStIz" role="3uHU7B">
+                  <node concept="37vLTw" id="25cxNQUSwKF" role="3uHU7w">
+                    <ref role="3cqZAo" node="25cxNQUv$Ry" resolve="row" />
+                  </node>
+                  <node concept="37vLTw" id="25cxNQUSqeh" role="3uHU7B">
+                    <ref role="3cqZAo" node="25cxNQUE8G$" resolve="index" />
+                  </node>
+                </node>
+              </node>
+              <node concept="3clFbS" id="25cxNQUKCXl" role="3clFbx">
+                <node concept="3N13vt" id="25cxNQUQBNl" role="3cqZAp" />
+              </node>
+            </node>
+            <node concept="3clFbF" id="25cxNQUKDG5" role="3cqZAp">
+              <node concept="2OqwBi" id="25cxNQUKF4D" role="3clFbG">
+                <node concept="37vLTw" id="25cxNQUKDG3" role="2Oq$k0">
+                  <ref role="3cqZAo" node="25cxNQUKADK" resolve="newCells" />
+                </node>
+                <node concept="TSZUe" id="25cxNQUKGsn" role="2OqNvi">
+                  <node concept="2OqwBi" id="25cxNQUKJEN" role="25WWJ7">
+                    <node concept="2OqwBi" id="25cxNQUKHkk" role="2Oq$k0">
+                      <node concept="13iPFW" id="25cxNQUKGPi" role="2Oq$k0" />
+                      <node concept="3Tsc0h" id="25cxNQUKHTA" role="2OqNvi">
+                        <ref role="3TtcxE" to="wtll:5xEoEMrnaAC" resolve="cells" />
+                      </node>
+                    </node>
+                    <node concept="34jXtK" id="25cxNQUKLO0" role="2OqNvi">
+                      <node concept="37vLTw" id="25cxNQUKLYW" role="25WWJ7">
+                        <ref role="3cqZAo" node="25cxNQUE8G$" resolve="index" />
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+          <node concept="3uNrnE" id="25cxNQUKCGx" role="1Dwrff">
+            <node concept="37vLTw" id="25cxNQUKCGz" role="2$L3a6">
+              <ref role="3cqZAo" node="25cxNQUE8G$" resolve="index" />
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbF" id="25cxNQUKMmy" role="3cqZAp">
+          <node concept="2OqwBi" id="25cxNQUKNtW" role="3clFbG">
+            <node concept="2OqwBi" id="25cxNQUKMzg" role="2Oq$k0">
+              <node concept="13iPFW" id="25cxNQUKMmw" role="2Oq$k0" />
+              <node concept="3Tsc0h" id="25cxNQUKMJF" role="2OqNvi">
+                <ref role="3TtcxE" to="wtll:5xEoEMrnaAC" resolve="cells" />
+              </node>
+            </node>
+            <node concept="2Kehj3" id="25cxNQUKO72" role="2OqNvi" />
+          </node>
+        </node>
+        <node concept="3clFbF" id="25cxNQUKQth" role="3cqZAp">
+          <node concept="2OqwBi" id="25cxNQUL0lq" role="3clFbG">
+            <node concept="2OqwBi" id="25cxNQUKT8f" role="2Oq$k0">
+              <node concept="13iPFW" id="25cxNQUKQtf" role="2Oq$k0" />
+              <node concept="3Tsc0h" id="25cxNQUKW7m" role="2OqNvi">
+                <ref role="3TtcxE" to="wtll:5xEoEMrnaAC" resolve="cells" />
+              </node>
+            </node>
+            <node concept="X8dFx" id="25cxNQUL4Be" role="2OqNvi">
+              <node concept="37vLTw" id="25cxNQUL77d" role="25WWJ7">
+                <ref role="3cqZAo" node="25cxNQUKADK" resolve="newCells" />
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbF" id="25cxNQUUqOV" role="3cqZAp">
+          <node concept="3uO5VW" id="25cxNQUUBSX" role="3clFbG">
+            <node concept="2OqwBi" id="25cxNQUUBSZ" role="2$L3a6">
+              <node concept="13iPFW" id="25cxNQUUBT0" role="2Oq$k0" />
+              <node concept="3TrcHB" id="25cxNQUUBT1" role="2OqNvi">
+                <ref role="3TsBF5" to="wtll:5avmkTF$G24" resolve="NUM_ROWS" />
+              </node>
+            </node>
+          </node>
+        </node>
+      </node>
+      <node concept="37vLTG" id="25cxNQUv$Ry" role="3clF46">
+        <property role="TrG5h" value="row" />
+        <node concept="10Oyi0" id="25cxNQUv$Rz" role="1tU5fm" />
+      </node>
+      <node concept="3cqZAl" id="25cxNQUv$R$" role="3clF45" />
+    </node>
     <node concept="13i0hz" id="7HzLUeHEjOc" role="13h7CS">
       <property role="2Ki8OM" value="false" />
       <property role="TrG5h" value="updateFromTemplate" />
diff --git a/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.repl/models/org/iets3/core/expr/repl/editor.mps b/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.repl/models/org/iets3/core/expr/repl/editor.mps
index 932e64f83c..021bddcdeb 100644
--- a/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.repl/models/org/iets3/core/expr/repl/editor.mps
+++ b/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.repl/models/org/iets3/core/expr/repl/editor.mps
@@ -11,6 +11,7 @@
     <use id="7e450f4e-1ac3-41ef-a851-4598161bdb94" name="de.slisson.mps.tables" version="0" />
     <use id="120e1c9d-4e27-4478-b2af-b2c3bd3850b0" name="com.mbeddr.mpsutil.editor.querylist" version="0" />
     <use id="b1ab8c10-c118-4755-bf2a-cebab35cf533" name="jetbrains.mps.lang.editor.tooltips" version="0" />
+    <use id="654422bf-e75f-44dc-936d-188890a746ce" name="de.slisson.mps.reflection" version="0" />
     <devkit ref="2677cb18-f558-4e33-bc38-a5139cee06dc(jetbrains.mps.devkit.language-design)" />
   </languages>
   <imports>
@@ -34,6 +35,7 @@
     <import index="5ueo" ref="1ed103c3-3aa6-49b7-9c21-6765ee11f224/java:jetbrains.mps.editor.runtime.style(MPS.Editor/)" />
     <import index="g51k" ref="1ed103c3-3aa6-49b7-9c21-6765ee11f224/java:jetbrains.mps.nodeEditor.cells(MPS.Editor/)" />
     <import index="lzb2" ref="498d89d2-c2e9-11e2-ad49-6cf049e62fe5/java:com.intellij.ui(MPS.IDEA/)" />
+    <import index="hm5v" ref="r:3d8b4628-659e-4af1-a607-3cc893005b62(de.slisson.mps.tables.runtime.cells)" />
     <import index="tpcu" ref="r:00000000-0000-4000-0000-011c89590282(jetbrains.mps.lang.core.behavior)" implicit="true" />
     <import index="tpck" ref="r:00000000-0000-4000-0000-011c89590288(jetbrains.mps.lang.core.structure)" implicit="true" />
     <import index="5qo5" ref="r:6d93ddb1-b0b0-4eee-8079-51303666672a(org.iets3.core.expr.simpleTypes.structure)" implicit="true" />
@@ -220,6 +222,10 @@
       <concept id="1176809959526" name="jetbrains.mps.lang.editor.structure.QueryFunction_Color" flags="in" index="3ZlJ5R" />
     </language>
     <language id="f3061a53-9226-4cc5-a443-f952ceaf5816" name="jetbrains.mps.baseLanguage">
+      <concept id="1224071154655" name="jetbrains.mps.baseLanguage.structure.AsExpression" flags="nn" index="0kSF2">
+        <child id="1224071154657" name="classifierType" index="0kSFW" />
+        <child id="1224071154656" name="expression" index="0kSFX" />
+      </concept>
       <concept id="1080223426719" name="jetbrains.mps.baseLanguage.structure.OrExpression" flags="nn" index="22lmx$" />
       <concept id="1082485599095" name="jetbrains.mps.baseLanguage.structure.BlockStatement" flags="nn" index="9aQIb">
         <child id="1082485599096" name="statements" index="9aQI4" />
@@ -233,12 +239,19 @@
       <concept id="8118189177080264853" name="jetbrains.mps.baseLanguage.structure.AlternativeType" flags="ig" index="nSUau">
         <child id="8118189177080264854" name="alternative" index="nSUat" />
       </concept>
+      <concept id="1465982738277781862" name="jetbrains.mps.baseLanguage.structure.PlaceholderMember" flags="nn" index="2tJIrI" />
       <concept id="1076505808687" name="jetbrains.mps.baseLanguage.structure.WhileStatement" flags="nn" index="2$JKZl">
         <child id="1076505808688" name="condition" index="2$JKZa" />
       </concept>
       <concept id="1239714755177" name="jetbrains.mps.baseLanguage.structure.AbstractUnaryNumberOperation" flags="nn" index="2$Kvd9">
         <child id="1239714902950" name="expression" index="2$L3a6" />
       </concept>
+      <concept id="1188207840427" name="jetbrains.mps.baseLanguage.structure.AnnotationInstance" flags="nn" index="2AHcQZ">
+        <reference id="1188208074048" name="annotation" index="2AI5Lk" />
+      </concept>
+      <concept id="1188208481402" name="jetbrains.mps.baseLanguage.structure.HasAnnotation" flags="ng" index="2AJDlI">
+        <child id="1188208488637" name="annotation" index="2AJF6D" />
+      </concept>
       <concept id="2820489544401957797" name="jetbrains.mps.baseLanguage.structure.DefaultClassCreator" flags="nn" index="HV5vD">
         <reference id="2820489544401957798" name="classifier" index="HV5vE" />
       </concept>
@@ -252,12 +265,17 @@
       <concept id="1197029447546" name="jetbrains.mps.baseLanguage.structure.FieldReferenceOperation" flags="nn" index="2OwXpG">
         <reference id="1197029500499" name="fieldDeclaration" index="2Oxat5" />
       </concept>
+      <concept id="1083260308424" name="jetbrains.mps.baseLanguage.structure.EnumConstantReference" flags="nn" index="Rm8GO">
+        <reference id="1083260308426" name="enumConstantDeclaration" index="Rm8GQ" />
+        <reference id="1144432896254" name="enumClass" index="1Px2BO" />
+      </concept>
       <concept id="1145552977093" name="jetbrains.mps.baseLanguage.structure.GenericNewExpression" flags="nn" index="2ShNRf">
         <child id="1145553007750" name="creator" index="2ShVmc" />
       </concept>
       <concept id="1137021947720" name="jetbrains.mps.baseLanguage.structure.ConceptFunction" flags="in" index="2VMwT0">
         <child id="1137022507850" name="body" index="2VODD2" />
       </concept>
+      <concept id="1070475354124" name="jetbrains.mps.baseLanguage.structure.ThisExpression" flags="nn" index="Xjq3P" />
       <concept id="1070475926800" name="jetbrains.mps.baseLanguage.structure.StringLiteral" flags="nn" index="Xl_RD">
         <property id="1070475926801" name="value" index="Xl_RC" />
       </concept>
@@ -278,10 +296,15 @@
       <concept id="1070534058343" name="jetbrains.mps.baseLanguage.structure.NullLiteral" flags="nn" index="10Nm6u" />
       <concept id="1070534370425" name="jetbrains.mps.baseLanguage.structure.IntegerType" flags="in" index="10Oyi0" />
       <concept id="1070534555686" name="jetbrains.mps.baseLanguage.structure.CharType" flags="in" index="10Pfzv" />
+      <concept id="1070534644030" name="jetbrains.mps.baseLanguage.structure.BooleanType" flags="in" index="10P_77" />
       <concept id="1070534934090" name="jetbrains.mps.baseLanguage.structure.CastExpression" flags="nn" index="10QFUN">
         <child id="1070534934091" name="type" index="10QFUM" />
         <child id="1070534934092" name="expression" index="10QFUP" />
       </concept>
+      <concept id="1068390468200" name="jetbrains.mps.baseLanguage.structure.FieldDeclaration" flags="ig" index="312cEg" />
+      <concept id="1068390468198" name="jetbrains.mps.baseLanguage.structure.ClassConcept" flags="ig" index="312cEu">
+        <child id="1095933932569" name="implementedInterface" index="EKbjA" />
+      </concept>
       <concept id="1068431474542" name="jetbrains.mps.baseLanguage.structure.VariableDeclaration" flags="ng" index="33uBYm">
         <property id="1176718929932" name="isFinal" index="3TUv4t" />
         <child id="1068431790190" name="initializer" index="33vP2m" />
@@ -325,6 +348,7 @@
       <concept id="1068580123137" name="jetbrains.mps.baseLanguage.structure.BooleanConstant" flags="nn" index="3clFbT">
         <property id="1068580123138" name="value" index="3clFbU" />
       </concept>
+      <concept id="1068580123140" name="jetbrains.mps.baseLanguage.structure.ConstructorDeclaration" flags="ig" index="3clFbW" />
       <concept id="1068580320020" name="jetbrains.mps.baseLanguage.structure.IntegerConstant" flags="nn" index="3cmrfG">
         <property id="1068580320021" name="value" index="3cmrfH" />
       </concept>
@@ -335,6 +359,7 @@
       <concept id="1068581242864" name="jetbrains.mps.baseLanguage.structure.LocalVariableDeclarationStatement" flags="nn" index="3cpWs8">
         <child id="1068581242865" name="localVariableDeclaration" index="3cpWs9" />
       </concept>
+      <concept id="1068581242869" name="jetbrains.mps.baseLanguage.structure.MinusExpression" flags="nn" index="3cpWsd" />
       <concept id="1068581242863" name="jetbrains.mps.baseLanguage.structure.LocalVariableDeclaration" flags="nr" index="3cpWsn" />
       <concept id="1068581517677" name="jetbrains.mps.baseLanguage.structure.VoidType" flags="in" index="3cqZAl" />
       <concept id="1079359253375" name="jetbrains.mps.baseLanguage.structure.ParenthesizedExpression" flags="nn" index="1eOMI4">
@@ -386,7 +411,9 @@
         <child id="1163668922816" name="ifTrue" index="3K4E3e" />
         <child id="1163668934364" name="ifFalse" index="3K4GZi" />
       </concept>
+      <concept id="1082113931046" name="jetbrains.mps.baseLanguage.structure.ContinueStatement" flags="nn" index="3N13vt" />
       <concept id="1146644602865" name="jetbrains.mps.baseLanguage.structure.PublicVisibility" flags="nn" index="3Tm1VV" />
+      <concept id="1146644623116" name="jetbrains.mps.baseLanguage.structure.PrivateVisibility" flags="nn" index="3Tm6S6" />
       <concept id="1080120340718" name="jetbrains.mps.baseLanguage.structure.AndExpression" flags="nn" index="1Wc70l" />
       <concept id="1200397529627" name="jetbrains.mps.baseLanguage.structure.CharConstant" flags="nn" index="1Xhbcc">
         <property id="1200397540847" name="charConstant" index="1XhdNS" />
@@ -416,6 +443,14 @@
         <child id="7363578995839435358" name="wrapped" index="1kIj9b" />
       </concept>
     </language>
+    <language id="3a13115c-633c-4c5c-bbcc-75c4219e9555" name="jetbrains.mps.lang.quotation">
+      <concept id="5455284157993863837" name="jetbrains.mps.lang.quotation.structure.NodeBuilder" flags="nn" index="2pJPEk">
+        <child id="5455284157993863838" name="quotedNode" index="2pJPEn" />
+      </concept>
+      <concept id="5455284157993863840" name="jetbrains.mps.lang.quotation.structure.NodeBuilderNode" flags="nn" index="2pJPED">
+        <reference id="5455284157993910961" name="concept" index="2pJxaS" />
+      </concept>
+    </language>
     <language id="b33d119e-196d-4497-977c-5c167b21fe33" name="com.mbeddr.mpsutil.framecell">
       <concept id="8760592470373336790" name="com.mbeddr.mpsutil.framecell.structure.CellModel_FrameCell" flags="ng" index="3j0QqT">
         <child id="8760592470373394508" name="child" index="3j0Cwz" />
@@ -444,14 +479,22 @@
       <concept id="1397920687866011705" name="de.slisson.mps.tables.structure.QueryParameter_Node" flags="ng" index="2r2w_c" />
       <concept id="1397920687864683158" name="de.slisson.mps.tables.structure.Table" flags="ng" index="2rfBfz">
         <child id="1397920687864865354" name="cells" index="2rf8GZ" />
+        <child id="6097863121587726798" name="gridPostprocessor" index="3nFLZX" />
       </concept>
       <concept id="4032373061970539014" name="de.slisson.mps.tables.structure.QueryParameter_EditorContext" flags="ng" index="1frAZD" />
+      <concept id="6097863121587719264" name="de.slisson.mps.tables.structure.GridPostprocessor" flags="ig" index="3nFNDj" />
       <concept id="1450914667648877318" name="de.slisson.mps.tables.structure.GridQuery" flags="ig" index="3wJMKP" />
       <concept id="1450914667648882274" name="de.slisson.mps.tables.structure.QueryParameter_Grid" flags="ng" index="3wJN_h" />
     </language>
     <language id="f89904fb-9486-43a1-865e-5ad0375a8a88" name="de.itemis.mps.editor.bool">
       <concept id="4900677560559655527" name="de.itemis.mps.editor.bool.structure.CellModel_Checkbox" flags="sg" stub="416014060004381438" index="27S6Sx" />
     </language>
+    <language id="760a0a8c-eabb-4521-8bfd-65db761a9ba3" name="jetbrains.mps.baseLanguage.logging">
+      <concept id="2034914114981261497" name="jetbrains.mps.baseLanguage.logging.structure.LogLowLevelStatement" flags="ng" index="RRSsy">
+        <property id="2034914114981261751" name="severity" index="RRSoG" />
+        <child id="2034914114981261753" name="message" index="RRSoy" />
+      </concept>
+    </language>
     <language id="7866978e-a0f0-4cc7-81bc-4d213d9375e1" name="jetbrains.mps.lang.smodel">
       <concept id="1179168000618" name="jetbrains.mps.lang.smodel.structure.Node_GetIndexInParentOperation" flags="nn" index="2bSWHS" />
       <concept id="1177026924588" name="jetbrains.mps.lang.smodel.structure.RefConcept_Reference" flags="nn" index="chp4Y">
@@ -3121,6 +3164,318 @@
                 </node>
               </node>
             </node>
+            <node concept="3nFNDj" id="74LepNSrZMW" role="3nFLZX">
+              <node concept="3clFbS" id="74LepNSrZMX" role="2VODD2">
+                <node concept="1Dw8fO" id="74LepNSspWE" role="3cqZAp">
+                  <node concept="3clFbS" id="74LepNSspWF" role="2LFqv$">
+                    <node concept="1Dw8fO" id="74LepNSspWG" role="3cqZAp">
+                      <node concept="3clFbS" id="74LepNSspWH" role="2LFqv$">
+                        <node concept="3cpWs8" id="74LepNSsshO" role="3cqZAp">
+                          <node concept="3cpWsn" id="74LepNSsshP" role="3cpWs9">
+                            <property role="TrG5h" value="element" />
+                            <node concept="3uibUv" id="74LepNSsshK" role="1tU5fm">
+                              <ref role="3uigEE" to="6dpw:RywcYwuxY_" resolve="EditorCellGridLeaf" />
+                            </node>
+                            <node concept="0kSF2" id="74LepNStZBH" role="33vP2m">
+                              <node concept="3uibUv" id="74LepNStZBK" role="0kSFW">
+                                <ref role="3uigEE" to="6dpw:RywcYwuxY_" resolve="EditorCellGridLeaf" />
+                              </node>
+                              <node concept="2OqwBi" id="74LepNSsshQ" role="0kSFX">
+                                <node concept="3wJN_h" id="74LepNSsshR" role="2Oq$k0" />
+                                <node concept="liA8E" id="74LepNSsshS" role="2OqNvi">
+                                  <ref role="37wK5l" to="6dpw:291OoVEMCiU" resolve="getCell" />
+                                  <node concept="37vLTw" id="74LepNSsshT" role="37wK5m">
+                                    <ref role="3cqZAo" node="74LepNSspXf" resolve="x" />
+                                  </node>
+                                  <node concept="37vLTw" id="74LepNSsshU" role="37wK5m">
+                                    <ref role="3cqZAo" node="74LepNSspX7" resolve="y" />
+                                  </node>
+                                </node>
+                              </node>
+                            </node>
+                          </node>
+                        </node>
+                        <node concept="3clFbJ" id="74LepNTfxqD" role="3cqZAp">
+                          <node concept="3clFbS" id="74LepNTfxqF" role="3clFbx">
+                            <node concept="3N13vt" id="74LepNTfy0c" role="3cqZAp" />
+                          </node>
+                          <node concept="3clFbC" id="74LepNTfxOS" role="3clFbw">
+                            <node concept="10Nm6u" id="74LepNTfxYl" role="3uHU7w" />
+                            <node concept="37vLTw" id="74LepNTfxv0" role="3uHU7B">
+                              <ref role="3cqZAo" node="74LepNSsshP" resolve="element" />
+                            </node>
+                          </node>
+                        </node>
+                        <node concept="3cpWs8" id="74LepNTfx2P" role="3cqZAp">
+                          <node concept="3cpWsn" id="74LepNTfx2Q" role="3cpWs9">
+                            <property role="TrG5h" value="endCell" />
+                            <node concept="3uibUv" id="74LepNTfx2R" role="1tU5fm">
+                              <ref role="3uigEE" to="hm5v:4db20qfqb8U" resolve="RowEndCell" />
+                            </node>
+                            <node concept="0kSF2" id="74LepNTfxeQ" role="33vP2m">
+                              <node concept="3uibUv" id="74LepNTfxeT" role="0kSFW">
+                                <ref role="3uigEE" to="hm5v:4db20qfqb8U" resolve="RowEndCell" />
+                              </node>
+                              <node concept="2OqwBi" id="74LepNSu27T" role="0kSFX">
+                                <node concept="37vLTw" id="74LepNSu1Lk" role="2Oq$k0">
+                                  <ref role="3cqZAo" node="74LepNSsshP" resolve="element" />
+                                </node>
+                                <node concept="liA8E" id="74LepNSu2bz" role="2OqNvi">
+                                  <ref role="37wK5l" to="6dpw:RywcYwuxZ4" resolve="getEditorCell" />
+                                </node>
+                              </node>
+                            </node>
+                          </node>
+                        </node>
+                        <node concept="3clFbJ" id="74LepNTfxjt" role="3cqZAp">
+                          <node concept="3clFbS" id="74LepNTfxjv" role="3clFbx">
+                            <node concept="3N13vt" id="74LepNTfziB" role="3cqZAp" />
+                          </node>
+                          <node concept="3clFbC" id="74LepNTfyXc" role="3clFbw">
+                            <node concept="10Nm6u" id="74LepNTfzgK" role="3uHU7w" />
+                            <node concept="37vLTw" id="74LepNTfy28" role="3uHU7B">
+                              <ref role="3cqZAo" node="74LepNTfx2Q" resolve="endCell" />
+                            </node>
+                          </node>
+                        </node>
+                        <node concept="3cpWs8" id="74LepNTkxyn" role="3cqZAp">
+                          <node concept="3cpWsn" id="74LepNTkxyq" role="3cpWs9">
+                            <property role="TrG5h" value="isLeft" />
+                            <node concept="10P_77" id="74LepNTkxyl" role="1tU5fm" />
+                            <node concept="2OqwBi" id="74LepNTj$ar" role="33vP2m">
+                              <node concept="37vLTw" id="74LepNTjzmQ" role="2Oq$k0">
+                                <ref role="3cqZAo" node="74LepNTfx2Q" resolve="endCell" />
+                              </node>
+                              <node concept="liA8E" id="74LepNTkwAp" role="2OqNvi">
+                                <ref role="37wK5l" to="hm5v:74LepNTjFG7" resolve="isLeft" />
+                              </node>
+                            </node>
+                          </node>
+                        </node>
+                        <node concept="3clFbF" id="74LepNTfDAM" role="3cqZAp">
+                          <node concept="2OqwBi" id="74LepNTfDAO" role="3clFbG">
+                            <node concept="37vLTw" id="74LepNTfDAP" role="2Oq$k0">
+                              <ref role="3cqZAo" node="74LepNTfx2Q" resolve="endCell" />
+                            </node>
+                            <node concept="liA8E" id="74LepNTfDAQ" role="2OqNvi">
+                              <ref role="37wK5l" to="g51k:~EditorCell_Basic.setAction(jetbrains.mps.openapi.editor.cells.CellActionType,jetbrains.mps.openapi.editor.cells.CellAction)" resolve="setAction" />
+                              <node concept="Rm8GO" id="74LepNTfEkl" role="37wK5m">
+                                <ref role="Rm8GQ" to="f4zo:~CellActionType.INSERT_BEFORE" resolve="INSERT_BEFORE" />
+                                <ref role="1Px2BO" to="f4zo:~CellActionType" resolve="CellActionType" />
+                              </node>
+                              <node concept="2ShNRf" id="74LepNTfDAS" role="37wK5m">
+                                <node concept="1pGfFk" id="74LepNTfDAT" role="2ShVmc">
+                                  <property role="373rjd" value="true" />
+                                  <ref role="37wK5l" node="74LepNSpLOF" resolve="SheetInsertRowAction" />
+                                  <node concept="2r2w_c" id="74LepNTfDAU" role="37wK5m" />
+                                  <node concept="37vLTw" id="74LepNTfDAV" role="37wK5m">
+                                    <ref role="3cqZAo" node="74LepNSspX7" resolve="y" />
+                                  </node>
+                                  <node concept="3K4zz7" id="74LepNTkyeT" role="37wK5m">
+                                    <node concept="3clFbT" id="74LepNTkyhk" role="3K4E3e" />
+                                    <node concept="3clFbT" id="74LepNTkyjP" role="3K4GZi">
+                                      <property role="3clFbU" value="true" />
+                                    </node>
+                                    <node concept="37vLTw" id="74LepNTkxOl" role="3K4Cdx">
+                                      <ref role="3cqZAo" node="74LepNTkxyq" resolve="isLeft" />
+                                    </node>
+                                  </node>
+                                </node>
+                              </node>
+                            </node>
+                          </node>
+                        </node>
+                        <node concept="3clFbF" id="74LepNTfzs7" role="3cqZAp">
+                          <node concept="2OqwBi" id="74LepNTfzBh" role="3clFbG">
+                            <node concept="37vLTw" id="74LepNTfzs5" role="2Oq$k0">
+                              <ref role="3cqZAo" node="74LepNTfx2Q" resolve="endCell" />
+                            </node>
+                            <node concept="liA8E" id="74LepNTf$_T" role="2OqNvi">
+                              <ref role="37wK5l" to="g51k:~EditorCell_Basic.setAction(jetbrains.mps.openapi.editor.cells.CellActionType,jetbrains.mps.openapi.editor.cells.CellAction)" resolve="setAction" />
+                              <node concept="Rm8GO" id="74LepNTf_hB" role="37wK5m">
+                                <ref role="Rm8GQ" to="f4zo:~CellActionType.INSERT" resolve="INSERT" />
+                                <ref role="1Px2BO" to="f4zo:~CellActionType" resolve="CellActionType" />
+                              </node>
+                              <node concept="2ShNRf" id="74LepNTf_rv" role="37wK5m">
+                                <node concept="1pGfFk" id="74LepNTfArU" role="2ShVmc">
+                                  <property role="373rjd" value="true" />
+                                  <ref role="37wK5l" node="74LepNSpLOF" resolve="SheetInsertRowAction" />
+                                  <node concept="2r2w_c" id="74LepNTfAAp" role="37wK5m" />
+                                  <node concept="37vLTw" id="74LepNTfAK1" role="37wK5m">
+                                    <ref role="3cqZAo" node="74LepNSspX7" resolve="y" />
+                                  </node>
+                                  <node concept="3K4zz7" id="74LepNTkyMo" role="37wK5m">
+                                    <node concept="3clFbT" id="74LepNTkyON" role="3K4E3e">
+                                      <property role="3clFbU" value="true" />
+                                    </node>
+                                    <node concept="3clFbT" id="74LepNTkyQU" role="3K4GZi" />
+                                    <node concept="37vLTw" id="74LepNTkyoe" role="3K4Cdx">
+                                      <ref role="3cqZAo" node="74LepNTkxyq" resolve="isLeft" />
+                                    </node>
+                                  </node>
+                                </node>
+                              </node>
+                            </node>
+                          </node>
+                        </node>
+                        <node concept="3clFbH" id="25cxNQUh_vD" role="3cqZAp" />
+                        <node concept="3cpWs8" id="1kYhlD5vBXo" role="3cqZAp">
+                          <node concept="3cpWsn" id="1kYhlD5vBXr" role="3cpWs9">
+                            <property role="TrG5h" value="rowY" />
+                            <node concept="10Oyi0" id="1kYhlD5vBXm" role="1tU5fm" />
+                            <node concept="3cpWsd" id="1kYhlD5vD0X" role="33vP2m">
+                              <node concept="3cmrfG" id="1kYhlD5vD10" role="3uHU7w">
+                                <property role="3cmrfH" value="1" />
+                              </node>
+                              <node concept="37vLTw" id="1kYhlD5vCb0" role="3uHU7B">
+                                <ref role="3cqZAo" node="74LepNSspX7" resolve="y" />
+                              </node>
+                            </node>
+                          </node>
+                        </node>
+                        <node concept="3clFbF" id="25cxNQUiktC" role="3cqZAp">
+                          <node concept="2OqwBi" id="25cxNQUiktD" role="3clFbG">
+                            <node concept="37vLTw" id="25cxNQUjNNE" role="2Oq$k0">
+                              <ref role="3cqZAo" node="74LepNTfx2Q" resolve="endCell" />
+                            </node>
+                            <node concept="liA8E" id="25cxNQUiktF" role="2OqNvi">
+                              <ref role="37wK5l" to="g51k:~EditorCell_Basic.setAction(jetbrains.mps.openapi.editor.cells.CellActionType,jetbrains.mps.openapi.editor.cells.CellAction)" resolve="setAction" />
+                              <node concept="Rm8GO" id="25cxNQUikPj" role="37wK5m">
+                                <ref role="Rm8GQ" to="f4zo:~CellActionType.BACKSPACE" resolve="BACKSPACE" />
+                                <ref role="1Px2BO" to="f4zo:~CellActionType" resolve="CellActionType" />
+                              </node>
+                              <node concept="2ShNRf" id="25cxNQUiktK" role="37wK5m">
+                                <node concept="1pGfFk" id="25cxNQUiktL" role="2ShVmc">
+                                  <property role="373rjd" value="true" />
+                                  <ref role="37wK5l" node="25cxNQUhAbY" resolve="SheetDeleteRowAction" />
+                                  <node concept="2r2w_c" id="25cxNQUiktM" role="37wK5m" />
+                                  <node concept="3K4zz7" id="1kYhlD5yOs9" role="37wK5m">
+                                    <node concept="37vLTw" id="1kYhlD5yPyo" role="3K4GZi">
+                                      <ref role="3cqZAo" node="1kYhlD5vBXr" resolve="rowY" />
+                                    </node>
+                                    <node concept="37vLTw" id="1kYhlD5vDcR" role="3K4Cdx">
+                                      <ref role="3cqZAo" node="74LepNTkxyq" resolve="isLeft" />
+                                    </node>
+                                    <node concept="2YIFZM" id="1kYhlD5$7XN" role="3K4E3e">
+                                      <ref role="37wK5l" to="wyt6:~Math.max(int,int)" resolve="max" />
+                                      <ref role="1Pybhc" to="wyt6:~Math" resolve="Math" />
+                                      <node concept="3cpWsd" id="1kYhlD5yPnC" role="37wK5m">
+                                        <node concept="3cmrfG" id="1kYhlD5yPnF" role="3uHU7w">
+                                          <property role="3cmrfH" value="1" />
+                                        </node>
+                                        <node concept="37vLTw" id="1kYhlD5yOw2" role="3uHU7B">
+                                          <ref role="3cqZAo" node="1kYhlD5vBXr" resolve="rowY" />
+                                        </node>
+                                      </node>
+                                      <node concept="3cmrfG" id="1kYhlD5$9m5" role="37wK5m">
+                                        <property role="3cmrfH" value="0" />
+                                      </node>
+                                    </node>
+                                  </node>
+                                </node>
+                              </node>
+                            </node>
+                          </node>
+                        </node>
+                        <node concept="3clFbF" id="25cxNQUhpGH" role="3cqZAp">
+                          <node concept="2OqwBi" id="25cxNQUhq2S" role="3clFbG">
+                            <node concept="37vLTw" id="25cxNQUjNzl" role="2Oq$k0">
+                              <ref role="3cqZAo" node="74LepNTfx2Q" resolve="endCell" />
+                            </node>
+                            <node concept="liA8E" id="25cxNQUhqLg" role="2OqNvi">
+                              <ref role="37wK5l" to="g51k:~EditorCell_Basic.setAction(jetbrains.mps.openapi.editor.cells.CellActionType,jetbrains.mps.openapi.editor.cells.CellAction)" resolve="setAction" />
+                              <node concept="Rm8GO" id="25cxNQUhrrh" role="37wK5m">
+                                <ref role="Rm8GQ" to="f4zo:~CellActionType.DELETE" resolve="DELETE" />
+                                <ref role="1Px2BO" to="f4zo:~CellActionType" resolve="CellActionType" />
+                              </node>
+                              <node concept="2ShNRf" id="25cxNQUia4W" role="37wK5m">
+                                <node concept="1pGfFk" id="25cxNQUiblC" role="2ShVmc">
+                                  <property role="373rjd" value="true" />
+                                  <ref role="37wK5l" node="25cxNQUhAbY" resolve="SheetDeleteRowAction" />
+                                  <node concept="2r2w_c" id="25cxNQUibvM" role="37wK5m" />
+                                  <node concept="3K4zz7" id="1kYhlD5$aGJ" role="37wK5m">
+                                    <node concept="37vLTw" id="1kYhlD5$adA" role="3K4Cdx">
+                                      <ref role="3cqZAo" node="74LepNTkxyq" resolve="isLeft" />
+                                    </node>
+                                    <node concept="37vLTw" id="1kYhlD5AyJY" role="3K4E3e">
+                                      <ref role="3cqZAo" node="1kYhlD5vBXr" resolve="rowY" />
+                                    </node>
+                                    <node concept="2YIFZM" id="1kYhlD5$bK_" role="3K4GZi">
+                                      <ref role="37wK5l" to="wyt6:~Math.min(int,int)" resolve="min" />
+                                      <ref role="1Pybhc" to="wyt6:~Math" resolve="Math" />
+                                      <node concept="3cpWs3" id="1kYhlD5$cNU" role="37wK5m">
+                                        <node concept="3cmrfG" id="1kYhlD5$cNX" role="3uHU7w">
+                                          <property role="3cmrfH" value="1" />
+                                        </node>
+                                        <node concept="37vLTw" id="1kYhlD5$bW$" role="3uHU7B">
+                                          <ref role="3cqZAo" node="1kYhlD5vBXr" resolve="rowY" />
+                                        </node>
+                                      </node>
+                                      <node concept="2OqwBi" id="1kYhlD5$eEa" role="37wK5m">
+                                        <node concept="2r2w_c" id="1kYhlD5$ei_" role="2Oq$k0" />
+                                        <node concept="3TrcHB" id="1kYhlD5$ftx" role="2OqNvi">
+                                          <ref role="3TsBF5" to="wtll:5avmkTF$G24" resolve="NUM_ROWS" />
+                                        </node>
+                                      </node>
+                                    </node>
+                                  </node>
+                                </node>
+                              </node>
+                            </node>
+                          </node>
+                        </node>
+                      </node>
+                      <node concept="3cpWsn" id="74LepNSspX7" role="1Duv9x">
+                        <property role="TrG5h" value="y" />
+                        <node concept="10Oyi0" id="74LepNSspX8" role="1tU5fm" />
+                        <node concept="3cmrfG" id="74LepNSspX9" role="33vP2m">
+                          <property role="3cmrfH" value="0" />
+                        </node>
+                      </node>
+                      <node concept="3uNrnE" id="74LepNSspXd" role="1Dwrff">
+                        <node concept="37vLTw" id="74LepNSspXe" role="2$L3a6">
+                          <ref role="3cqZAo" node="74LepNSspX7" resolve="y" />
+                        </node>
+                      </node>
+                      <node concept="3eOVzh" id="74LepNTfvyQ" role="1Dwp0S">
+                        <node concept="2OqwBi" id="74LepNTfvVI" role="3uHU7w">
+                          <node concept="3wJN_h" id="74LepNTfvBp" role="2Oq$k0" />
+                          <node concept="liA8E" id="74LepNTfw9I" role="2OqNvi">
+                            <ref role="37wK5l" to="6dpw:1U60oYw0m0C" resolve="getSizeY" />
+                          </node>
+                        </node>
+                        <node concept="37vLTw" id="74LepNTfuwV" role="3uHU7B">
+                          <ref role="3cqZAo" node="74LepNSspX7" resolve="y" />
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                  <node concept="3cpWsn" id="74LepNSspXf" role="1Duv9x">
+                    <property role="TrG5h" value="x" />
+                    <node concept="10Oyi0" id="74LepNSspXg" role="1tU5fm" />
+                    <node concept="3cmrfG" id="74LepNSspXh" role="33vP2m">
+                      <property role="3cmrfH" value="0" />
+                    </node>
+                  </node>
+                  <node concept="3eOVzh" id="74LepNSspXi" role="1Dwp0S">
+                    <node concept="37vLTw" id="74LepNSspXj" role="3uHU7B">
+                      <ref role="3cqZAo" node="74LepNSspXf" resolve="x" />
+                    </node>
+                    <node concept="2OqwBi" id="74LepNTfugK" role="3uHU7w">
+                      <node concept="3wJN_h" id="74LepNTfu2s" role="2Oq$k0" />
+                      <node concept="liA8E" id="74LepNTfumG" role="2OqNvi">
+                        <ref role="37wK5l" to="6dpw:1U60oYw0lPr" resolve="getSizeX" />
+                      </node>
+                    </node>
+                  </node>
+                  <node concept="3uNrnE" id="74LepNSspXl" role="1Dwrff">
+                    <node concept="37vLTw" id="74LepNSspXm" role="2$L3a6">
+                      <ref role="3cqZAo" node="74LepNSspXf" resolve="x" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
           </node>
           <node concept="3F0ifn" id="5avmkTFFahE" role="AHCbl">
             <property role="3F0ifm" value="{...}" />
@@ -6362,5 +6717,407 @@
       <property role="3F0ifm" value="Workaround to fix contributions to BaseConcept generated by grammarCells." />
     </node>
   </node>
+  <node concept="312cEu" id="74LepNSbFRz">
+    <property role="3GE5qa" value="sheet" />
+    <property role="TrG5h" value="SheetInsertRowAction" />
+    <node concept="2tJIrI" id="74LepNSpJ3V" role="jymVt" />
+    <node concept="312cEg" id="74LepNSpKZ6" role="jymVt">
+      <property role="TrG5h" value="sheet" />
+      <node concept="3Tm6S6" id="74LepNSpKEA" role="1B3o_S" />
+      <node concept="3Tqbb2" id="74LepNSpKS7" role="1tU5fm">
+        <ref role="ehGHo" to="wtll:5xEoEMrm0Nb" resolve="Sheet" />
+      </node>
+    </node>
+    <node concept="312cEg" id="74LepNSpL_q" role="jymVt">
+      <property role="TrG5h" value="rowIndex" />
+      <node concept="3Tm6S6" id="74LepNSpLlL" role="1B3o_S" />
+      <node concept="10Oyi0" id="74LepNSpLxT" role="1tU5fm" />
+    </node>
+    <node concept="312cEg" id="74LepNTdpxt" role="jymVt">
+      <property role="TrG5h" value="before" />
+      <node concept="3Tm6S6" id="74LepNTdp9c" role="1B3o_S" />
+      <node concept="10P_77" id="74LepNTdptW" role="1tU5fm" />
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+            <node concept="2qgKlT" id="25cxNQUEANk" role="2OqNvi">
+              <ref role="37wK5l" to="31n1:25cxNQUv$Rd" resolve="deleteRow" />
+              <node concept="37vLTw" id="25cxNQUEBpy" role="37wK5m">
+                <ref role="3cqZAo" node="25cxNQUhAbR" resolve="rowIndex" />
+              </node>
+            </node>
+          </node>
+        </node>
+      </node>
+      <node concept="2AHcQZ" id="25cxNQUvS9H" role="2AJF6D">
+        <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
+      </node>
+    </node>
+  </node>
 </model>
 
diff --git a/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.repl/org.iets3.core.expr.repl.mpl b/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.repl/org.iets3.core.expr.repl.mpl
index c8d200d375..a85814b19e 100644
--- a/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.repl/org.iets3.core.expr.repl.mpl
+++ b/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.repl/org.iets3.core.expr.repl.mpl
@@ -160,6 +160,7 @@
     <language slang="l:f89904fb-9486-43a1-865e-5ad0375a8a88:de.itemis.mps.editor.bool" version="0" />
     <language slang="l:1919c723-b60b-4592-9318-9ce96d91da44:de.itemis.mps.editor.celllayout" version="0" />
     <language slang="l:3bdedd09-792a-4e15-a4db-83970df3ee86:de.itemis.mps.editor.collapsible" version="0" />
+    <language slang="l:654422bf-e75f-44dc-936d-188890a746ce:de.slisson.mps.reflection" version="0" />
     <language slang="l:7e450f4e-1ac3-41ef-a851-4598161bdb94:de.slisson.mps.tables" version="0" />
     <language slang="l:f3061a53-9226-4cc5-a443-f952ceaf5816:jetbrains.mps.baseLanguage" version="12" />
     <language slang="l:443f4c36-fcf5-4eb6-9500-8d06ed259e3e:jetbrains.mps.baseLanguage.classifiers" version="0" />
diff --git a/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.util/models/editor.mps b/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.util/models/editor.mps
index 2daeabf135..884a51bcb4 100644
--- a/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.util/models/editor.mps
+++ b/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.util/models/editor.mps
@@ -882,6 +882,14 @@
                         </node>
                       </node>
                     </node>
+                    <node concept="3clFbF" id="25cxNQTSsKR" role="3cqZAp">
+                      <node concept="2OqwBi" id="25cxNQTSt4M" role="3clFbG">
+                        <node concept="37vLTw" id="25cxNQTSsKP" role="2Oq$k0">
+                          <ref role="3cqZAo" node="3DYDRw0KdUw" resolve="h" />
+                        </node>
+                        <node concept="3YRAZt" id="25cxNQTStrg" role="2OqNvi" />
+                      </node>
+                    </node>
                   </node>
                 </node>
                 <node concept="1g0IQG" id="6VI$CVnK8Qj" role="1geGt4">
@@ -1012,6 +1020,14 @@
                           </node>
                         </node>
                       </node>
+                      <node concept="3clFbF" id="25cxNQTQS25" role="3cqZAp">
+                        <node concept="2OqwBi" id="25cxNQTQSlo" role="3clFbG">
+                          <node concept="37vLTw" id="25cxNQTQS23" role="2Oq$k0">
+                            <ref role="3cqZAo" node="3DYDRw0Kg7o" resolve="h" />
+                          </node>
+                          <node concept="3YRAZt" id="25cxNQTQSG4" role="2OqNvi" />
+                        </node>
+                      </node>
                     </node>
                   </node>
                   <node concept="1g0IQG" id="6VI$CVnLerj" role="1geGt4">