diff --git a/Configuration/GlobalAssemblyInfo.cs b/Configuration/GlobalAssemblyInfo.cs
index 7f0df5c53..4dce51d45 100644
--- a/Configuration/GlobalAssemblyInfo.cs
+++ b/Configuration/GlobalAssemblyInfo.cs
@@ -15,7 +15,7 @@ internal static class RevisionClass
 	public const string Major = "3";
 	public const string Minor = "2";
 	public const string Build = "0";
-	public const string Revision = "1336";
+	public const string Revision = "1337";
 
         public const string MainVersion = Major + "." + Minor;
 	public const string FullVersion = Major + "." + Minor + "." + Build + "." + Revision;
diff --git a/Configuration/Version.defs b/Configuration/Version.defs
index 8388ab7fa..da6af5805 100644
--- a/Configuration/Version.defs
+++ b/Configuration/Version.defs
@@ -1,4 +1,4 @@
-%MINOR%=2
-%REVISION%=1336
 %COREVERSION%=0
+%REVISION%=1337
+%MINOR%=2
 %MAJOR%=3
diff --git a/PascalABCNET.axml b/PascalABCNET.axml
index b130b7cd3..148101910 100644
--- a/PascalABCNET.axml
+++ b/PascalABCNET.axml
@@ -1440,6 +1440,17 @@
           </i>
         </OCtx>
       </Node>
+      <Node Name="FindIndex" NL="0,5634766" NG="0,5947266">
+        <FileName>\SyntaxTree\tree\TreeHelper.cs</FileName>
+        <Text>public int FindIndex(syntax_tree_node node)</Text>
+        <OCtx>
+          <i Type="Method">public int FindIndex ( syntax_tree_node node )</i>
+          <i Type="ClassOrNamespace">public partial class syntax_tree_node</i>
+          <i Type="ClassOrNamespace">namespace PascalABCCompiler . SyntaxTree</i>
+          <i Type="CS_TreeNode">
+          </i>
+        </OCtx>
+      </Node>
     </Items>
   </Node>
 </AspectFile>
\ No newline at end of file
diff --git a/ReleaseGenerators/PascalABCNET_version.nsh b/ReleaseGenerators/PascalABCNET_version.nsh
index b54c65faa..3605937bd 100644
--- a/ReleaseGenerators/PascalABCNET_version.nsh
+++ b/ReleaseGenerators/PascalABCNET_version.nsh
@@ -1 +1 @@
-!define VERSION '3.2.0.1336'
+!define VERSION '3.2.0.1337'
diff --git a/StandardSyntaxTreeConverter/StandOutExprWithLambdaInForeachSequenceConverter.cs b/StandardSyntaxTreeConverter/StandOutExprWithLambdaInForeachSequenceConverter.cs
index 79ffb61e3..6f814ae47 100644
--- a/StandardSyntaxTreeConverter/StandOutExprWithLambdaInForeachSequenceConverter.cs
+++ b/StandardSyntaxTreeConverter/StandOutExprWithLambdaInForeachSequenceConverter.cs
@@ -20,7 +20,7 @@ public class StandOutExprWithLambdaInForeachSequenceVisitor : BaseEnterExitVisit
         return new ident("$GenContFE" + GenIdNum.ToString());
     }
 
-    public void ReplaceStatement(statement from, IEnumerable<statement> to)
+    public void ReplaceStatement(statement from, IEnumerable<statement> to, Desc d = Desc.DirectDescendants)
     {
         foreach (var x in to)
             x.Parent = from.Parent;
@@ -34,7 +34,7 @@ public class StandOutExprWithLambdaInForeachSequenceVisitor : BaseEnterExitVisit
             var l = new statement_list();
             l.AddMany(to);
             l.source_context = from.source_context;
-            from.Parent.Replace(from, l);
+            from.Parent.Replace(from, l, d); 
         }
     }
 
diff --git a/SyntaxTree/tree/TreeHelper.cs b/SyntaxTree/tree/TreeHelper.cs
index c0358dc63..20c6a705e 100644
--- a/SyntaxTree/tree/TreeHelper.cs
+++ b/SyntaxTree/tree/TreeHelper.cs
@@ -26,13 +26,22 @@ namespace PascalABCCompiler.SyntaxTree
         PreOrder
     }
 
+    public enum Desc
+    {
+        All,
+        DirectDescendants
+    }
+
     public partial class syntax_tree_node
     {
         public syntax_tree_node Parent;
-        public int FindIndex(syntax_tree_node node)
+        public int FindIndex(syntax_tree_node node, Desc d = Desc.All)
         {
             int ind = -1;
-            for (var i = 0; i < subnodes_count; i++)
+
+            var count = d == Desc.All ? subnodes_count : subnodes_without_list_elements_count;
+
+            for (var i = 0; i < count; i++)
                 if (node == this[i])
                 {
                     ind = i;
@@ -43,9 +52,16 @@ namespace PascalABCCompiler.SyntaxTree
             return ind;
         }
 
-        public void Replace(syntax_tree_node from, syntax_tree_node to) // есть риск, что типы не совпадут
+        /*public void Replace(syntax_tree_node from, syntax_tree_node to, Desc d = Desc.All) // есть риск, что типы не совпадут
         {
-            var ind = FindIndex(from);
+            var ind = FindIndex(from,d);
+            this[ind] = to;
+        }*/
+
+        // Безопасная версия Replace
+        public void Replace<T,T1>(T from, T1 to, Desc d = Desc.All) where T: syntax_tree_node where T1 : T
+        {
+            var ind = FindIndex(from,d);
             this[ind] = to;
         }
 
diff --git a/SyntaxTree/tree/tree.nin b/SyntaxTree/tree/tree.nin
index 60570af62..f412f807a 100644
Binary files a/SyntaxTree/tree/tree.nin and b/SyntaxTree/tree/tree.nin differ
diff --git a/TestSuite/CompilationSamples/DrawManField.pas b/TestSuite/CompilationSamples/DrawManField.pas
index 79ac0f2d0..594c8b947 100644
--- a/TestSuite/CompilationSamples/DrawManField.pas
+++ b/TestSuite/CompilationSamples/DrawManField.pas
@@ -44,6 +44,7 @@ type
     procedure DrawFieldOnly;
     procedure DrawXY;
   public
+    dmwidth := 2;
     // Добавил - МА
     TaskName: string;  
     //
@@ -70,6 +71,8 @@ type
     procedure MakerPenDown;
     procedure MakerToPoint(x,y: integer);
     procedure MakerOnVector(x,y: integer);
+    
+    procedure SetDrawManWidth(w: integer);
 
     // примитивы для выполнителя
     procedure DrawDM;
@@ -217,16 +220,14 @@ begin
 end;
 
 procedure TDMField.DrawDMDrawing;
-var i: integer;
 begin
-  for i:=0 to DMColl.Count-1 do
+  for var i:=0 to DMColl.Count-1 do
     DMLine(DMColl[i].p.x,DMColl[i].p.y,DMColl[i].p.x+DMColl[i].v.x,DMColl[i].p.y+DMColl[i].v.y,colorSolve);
 end;
 
 procedure TDMField.DrawDMMakerDrawing;
-var i: integer;
 begin
-  for i:=0 to DMMakerColl.Count-1 do
+  for var i:=0 to DMMakerColl.Count-1 do
     DMLine(DMMakerColl[i].p.x,DMMakerColl[i].p.y,DMMakerColl[i].p.x+DMMakerColl[i].v.x,DMMakerColl[i].p.y+DMMakerColl[i].v.y,colorTask);
 end;
 
@@ -243,17 +244,16 @@ begin
 end;
 
 procedure TDMField.DrawFieldOnly;
-var ix,iy,w,h: integer;
 begin
-  w := CellSize*DimX; 
-  h := CellSize*DimY;
+  var w := CellSize*DimX; 
+  var h := CellSize*DimY;
   Brush.Color := clWhite;
   FillRectangle(X0,Y0,X0+ZazX1+w+1+ZazX2,Y0+ZazY1+h+1+ZazY2);
   Pen.Width := 1;
   Pen.Color := RGB(191,191,191);
-  for ix:=0 to DimX do
+  for var ix:=0 to DimX do
     Line(X0+ZazX1+ix*CellSize,Y0+ZazY1,X0+ZazX1+ix*CellSize,Y0+ZazY1+h);
-  for iy:=0 to DimY do
+  for var iy:=0 to DimY do
     Line(X0+ZazX1,Y0+ZazY1+iy*CellSize,X0+ZazX1+w,Y0+ZazY1+iy*CellSize);
   Pen.Color := clGray;
   if (orx>-DimX) and (orx<0) then
@@ -266,7 +266,7 @@ begin
 end;
 
 procedure TDMField.DrawXY;
-var x,y,ww: integer;
+var ww: integer;
     s: string;
     interval: integer;
     bs: BrushStyleType;
@@ -283,7 +283,7 @@ begin
   Brush.Style := bsClear;
   Font.Name := 'MS Sans Serif';
   Font.Size := 8;
-  for x:=0 to DimX do
+  for var x:=0 to DimX do
     if (x+orx) mod interval = 0 then
     begin
       s:=IntToStr(x+orx);
@@ -291,7 +291,7 @@ begin
 //        hh:=Canvas.TextHeight(s);
       TextOut(X0+ZazX1+x*CellSize-ww div 2+1,Y0+ZazY1+DimY*CellSize+1+2,s);
     end;
-  for y:=0 to DimY do
+  for var y:=0 to DimY do
     if (y+ory) mod interval = 0 then
     begin
       s:=IntToStr(y+ory);
@@ -306,6 +306,7 @@ end;
 
 procedure TDMField.DMLine(x1,y1,x2,y2: integer; c: GraphABC.Color);
 begin
+  Pen.Width := dmwidth;
   Line(X0+ZazX1+(x1-orx)*CellSize,Y0+ZazY1+(DimY-y1+ory)*CellSize,X0+ZazX1+(x2-orx)*CellSize,Y0+ZazY1+(DimY-y2+ory)*CellSize,c);
 end;
 
@@ -364,6 +365,11 @@ begin
   MakerToPoint(MakerX+x,MakerY+y);
 end;
 
+procedure TDMField.SetDrawManWidth(w: integer);
+begin
+  dmwidth := 2;
+end;
+
 procedure TDMField.DrawDM;
 var 
   ZZ: integer;
@@ -376,6 +382,7 @@ begin
   r1 := r;
   r1.Offset(X0+ZazX1+(DMX-orx)*CellSize-4+1,Y0+ZazY1+(DimY-DMY+ory)*CellSize-4+1);
   DMPicture.CopyRect(r,GraphBufferBitmap,r1);
+  Pen.Width := 1;
   DrawRectangle(X0+ZazX1+(DMX-orx)*CellSize-ZZ+1,Y0+ZazY1+(DimY+ory-DMY)*CellSize-ZZ+1,X0+ZazX1+(DMX-orx)*CellSize+ZZ,Y0+ZazY1+(DimY+ory-DMY)*CellSize+ZZ);
 end;
 
diff --git a/TestSuite/CompilationSamples/Drawman.pas b/TestSuite/CompilationSamples/Drawman.pas
index 6b0f85b9d..c519ab475 100644
--- a/TestSuite/CompilationSamples/Drawman.pas
+++ b/TestSuite/CompilationSamples/Drawman.pas
@@ -1,4 +1,4 @@
-// Copyright (c) Ivan Bondarev, Stanislav Mihalkovich (for details please see \doc\copyright.txt)
+// Copyright (c) Ivan Bondarev, Stanislav Mihalkovich (for details please see \doc\copyright.txt)
 // This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
 
 ///Исполнитель Чертежник предназначен для построения рисунков и чертежей на плоскости с координатами. 
@@ -29,6 +29,9 @@ procedure Start;
 /// Остановить Чертежника
 procedure Stop;
 
+/// Установить ширину пера Чертежника
+procedure SetDrawmanWidth(w: integer);
+
 ///--
 procedure __InitModule__;
 ///--
@@ -38,6 +41,11 @@ implementation
 
 uses DMTaskMaker,DMZadan,DrawmanField;
 
+procedure SetDrawmanWidth(w: integer);
+begin
+  DMField.dmwidth := w
+end;
+
 procedure Start;
 begin
   DMField.Start;  
diff --git a/TestSuite/CompilationSamples/GraphABC.pas b/TestSuite/CompilationSamples/GraphABC.pas
index b83342d50..4f223219f 100644
--- a/TestSuite/CompilationSamples/GraphABC.pas
+++ b/TestSuite/CompilationSamples/GraphABC.pas
@@ -2904,7 +2904,10 @@ end;
 procedure SetPenWidth(Width: integer);
 begin
   lock f do
+  begin
     Pen.NETPen.Width := Width;
+    _ColorLinePen.Width := Width;
+  end;  
 end;
 
 function PenWidth: integer;
diff --git a/TestSuite/CompilationSamples/PABCSystem.pas b/TestSuite/CompilationSamples/PABCSystem.pas
index 8e9f96daf..2c5417217 100644
--- a/TestSuite/CompilationSamples/PABCSystem.pas
+++ b/TestSuite/CompilationSamples/PABCSystem.pas
@@ -8636,6 +8636,16 @@ begin
 	Result := Self;  
 end;
 
+function Rows<T>(Self: array [,] of T): integer; extensionmethod;
+begin
+  Result := Self.GetLength(0);
+end;
+
+function Cols<T>(Self: array [,] of T): integer; extensionmethod;
+begin
+  Result := Self.GetLength(1);
+end;
+
 // -----------------------------------------------------
 //>>     Методы расширения типа array of T # Extension methods for array of T
 // -----------------------------------------------------
diff --git a/bin/Lib/PABCRtl.dll b/bin/Lib/PABCRtl.dll
index 23b03baa1..0d51ac30c 100644
Binary files a/bin/Lib/PABCRtl.dll and b/bin/Lib/PABCRtl.dll differ
diff --git a/bin/Lib/PABCSystem.pas b/bin/Lib/PABCSystem.pas
index 2c5417217..3d98df9cb 100644
--- a/bin/Lib/PABCSystem.pas
+++ b/bin/Lib/PABCSystem.pas
@@ -8646,6 +8646,24 @@ begin
   Result := Self.GetLength(1);
 end;
 
+function Row<T>(Self: array [,] of T; k: integer): array of T; extensionmethod;
+begin
+  var n := Self.Cols();
+  var res := new T[n];
+  for var j:=0 to n-1 do
+    res[j] := Self[k,j];
+  Result := res;
+end;
+
+function Col<T>(Self: array [,] of T; k: integer): array of T; extensionmethod;
+begin
+  var m := Self.Rows();
+  var res := new T[m];
+  for var i:=0 to m-1 do
+    res[i] := Self[i,k];
+  Result := res;
+end;
+
 // -----------------------------------------------------
 //>>     Методы расширения типа array of T # Extension methods for array of T
 // -----------------------------------------------------