new boundary syntax

tutorials/icoFoam/cavity/constant/polyMesh/blockMeshDict

@@ -37,24 +37,58 @@ edges
 (
 );
 
-patches         
+//patches         
+//(
+//    wall movingWall 
+//    (
+//        (3 7 6 2)
+//    )
+//    wall fixedWalls 
+//    (
+//        (0 4 7 3)
+//        (2 6 5 1)
+//        (1 5 4 0)
+//    )
+//    empty frontAndBack 
+//    (
+//        (0 3 2 1)
+//        (4 5 6 7)
+//    )
+//);
+
+boundary         
 (
-    wall movingWall 
+    movingWall
+    {
+        type wall;
+        faces
         (
             (3 7 6 2)
-    )
+        );
-    wall fixedWalls 
+    }
+
+    fixedWalls
+    {
+        type wall;
+        faces
         (
             (0 4 7 3)
             (2 6 5 1)
             (1 5 4 0)
-    )
+        );
-    empty frontAndBack 
+    }
+
+    frontAndBack 
+    {
+        type empty;
+        faces
         (
             (0 3 2 1)
             (4 5 6 7)
-    )
         );
+    }
+);
+
 
 mergePatchPairs 
 (