If on the end of composite input the length of input is equal 0, then point of...

If on the end of composite input the length of input is equal 0, then point of the history with this input will be deleted.

word/Editor/Document.js

@@ -11289,11 +11289,19 @@ CDocument.prototype.End_CompositeInput = function()
 	if (null === this.CompositeInput)
 		return;
 
+	var nLen = this.CompositeInput.Length;
+	
 	var oRun = this.CompositeInput.Run;
 	oRun.Set_CompositeInput(null);
 	this.CompositeInput = null;
 
 	this.History.Check_UninonLastPoints();
+	
+	if (0 === nLen && true === this.History.CanRemoveLastPoint())
+	{
+		this.Document_Undo();
+		this.History.Clear_Redo();
+	}
 
 	this.Document_UpdateInterfaceState();
 

word/Editor/History.js

@@ -733,6 +733,16 @@ CHistory.prototype =
         }
 	},
 
+    CanRemoveLastPoint : function()
+    {
+        if (this.Points.length <= 0
+            || (true !== this.Is_UserSaveMode() && null !== this.SavedIndex && this.SavedIndex >= this.Points.length - 1)
+            || (true === this.Is_UserSaveMode() && null !== this.UserSavedIndex && this.UserSavedIndex >= this.Points.length - 1))
+            return false;
+
+        return true;
+    },
+
     TurnOff : function()
     {
 		this.TurnOffHistory++;