Index: source/blender/src/space.c
===================================================================
--- source/blender/src/space.c	(revision 12027)
+++ source/blender/src/space.c	(working copy)
@@ -2315,12 +2315,19 @@
 				break;
 			case TKEY:
 				if(G.obedit){
-					if((G.qual & LR_CTRLKEY) && G.obedit->type==OB_MESH) {
-						convert_to_triface(G.qual & LR_SHIFTKEY);
-						allqueue(REDRAWVIEW3D, 0);
-						countall();
-						DAG_object_flush_update(G.scene, G.obedit, OB_RECALC_DATA);
+					if ( G.obedit->type==OB_MESH ) {
+						if((G.qual & LR_CTRLKEY) ) {
+							convert_to_triface(G.qual & LR_SHIFTKEY);
+							allqueue(REDRAWVIEW3D, 0);
+							countall();
+							DAG_object_flush_update(G.scene, G.obedit, OB_RECALC_DATA);
+						}
+						else if ( G.qual==0){
+							vertexsmooth();
+							allqueue(REDRAWVIEW3D, 0);
+						}
 					}
+					
 					if (G.obedit->type==OB_CURVE) {
 						if (G.qual==LR_ALTKEY) {
 							clear_tilt();