diff --git a/source/blender/include/BIF_transform.h b/source/blender/include/BIF_transform.h
index f823193dcc6..44b90991d9f 100755
--- a/source/blender/include/BIF_transform.h
+++ b/source/blender/include/BIF_transform.h
@@ -50,10 +50,11 @@
 #define TFM_PUSHPULL		12
 
 /* TRANSFORM CONTEXTS */
-#define CTX_NONE		0
-#define CTX_TEXTURE		1
-#define CTX_EDGE		2
-#define CTX_NOPET		4
+#define CTX_NONE			0
+#define CTX_TEXTURE			1
+#define CTX_EDGE			2
+#define CTX_NO_PET			4
+#define CTX_NO_NOR_RECALC	8
 
 /* TRANSFORM PROPORTIONAL FALLOFF MODES */
 #define PROP_SHARP		0
diff --git a/source/blender/src/editarmature.c b/source/blender/src/editarmature.c
index 9cd54a3a257..2c5dfd08ce7 100644
--- a/source/blender/src/editarmature.c
+++ b/source/blender/src/editarmature.c
@@ -1999,7 +1999,7 @@ void extrude_armature(void)
 	
 	/* Transform the endpoints */
 	countall();
-	Transform(TFM_TRANSLATION, CTX_NOPET);
+	Transform(TFM_TRANSLATION, CTX_NO_PET);
 	allqueue(REDRAWBUTSEDIT, 0);
 	allqueue(REDRAWBUTSOBJECT, 0);
 	allqueue(REDRAWOOPS, 0);
@@ -2163,7 +2163,7 @@ void adduplicate_armature(void)
 	}
 
 
-	Transform(TFM_TRANSLATION, CTX_NOPET);
+	Transform(TFM_TRANSLATION, CTX_NO_PET);
 	allqueue(REDRAWBUTSEDIT, 0);
 	allqueue(REDRAWBUTSOBJECT, 0);
 	allqueue(REDRAWOOPS, 0);
diff --git a/source/blender/src/editcurve.c b/source/blender/src/editcurve.c
index 0e3c19740d0..ec956b8e991 100644
--- a/source/blender/src/editcurve.c
+++ b/source/blender/src/editcurve.c
@@ -2793,7 +2793,7 @@ void addvert_Nurb(int mode)
 	allqueue(REDRAWVIEW3D, 0);
 	allqueue(REDRAWBUTSEDIT, 0);
 
-	if(mode=='e') Transform(TFM_TRANSLATION, CTX_NOPET);
+	if(mode=='e') Transform(TFM_TRANSLATION, CTX_NO_PET);
 	else while(get_mbut()&R_MOUSE) BIF_wait_for_statechange();
 
 	if(mode!='e') {
@@ -2830,7 +2830,7 @@ void extrude_nurb()
 				makeDispList(G.obedit);
 				BIF_undo_push("Extrude");
 				countall();
-				Transform(TFM_TRANSLATION, CTX_NOPET);
+				Transform(TFM_TRANSLATION, CTX_NO_PET);
 			}
 		}
 	}
@@ -3058,7 +3058,7 @@ void adduplicate_nurb()
 	adduplicateflagNurb(1);
 
 	countall();
-	Transform(TFM_TRANSLATION, CTX_NOPET);
+	Transform(TFM_TRANSLATION, CTX_NO_PET);
 }
 
 void delNurb()
diff --git a/source/blender/src/editmball.c b/source/blender/src/editmball.c
index 0cb3cb1b3b9..39b4fd4b99b 100644
--- a/source/blender/src/editmball.c
+++ b/source/blender/src/editmball.c
@@ -307,7 +307,7 @@ void adduplicate_mball()
 		ml= ml->prev;
 	}
 	
-	Transform(TFM_TRANSLATION, CTX_NOPET);
+	Transform(TFM_TRANSLATION, CTX_NO_PET);
 	allqueue(REDRAWBUTSEDIT, 0);
 }
 
diff --git a/source/blender/src/editmesh_add.c b/source/blender/src/editmesh_add.c
index f2112e997d6..a86fd23cbae 100644
--- a/source/blender/src/editmesh_add.c
+++ b/source/blender/src/editmesh_add.c
@@ -437,7 +437,7 @@ void adduplicate_mesh(void)
 
 	waitcursor(0);
 	countall(); 
-	Transform(TFM_TRANSLATION, CTX_NOPET);
+	Transform(TFM_TRANSLATION, CTX_NO_PET);
 }
 
 
diff --git a/source/blender/src/editmesh_tools.c b/source/blender/src/editmesh_tools.c
index 64538e04c70..6b9a4a26a44 100644
--- a/source/blender/src/editmesh_tools.c
+++ b/source/blender/src/editmesh_tools.c
@@ -561,7 +561,7 @@ void extrude_mesh(void)
 		
 		/* individual faces? */
 		if(nr==2) {
-			Transform(TFM_SHRINKFATTEN, CTX_NOPET);
+			Transform(TFM_SHRINKFATTEN, CTX_NO_PET|CTX_NO_NOR_RECALC);
 		}
 		else {
 			if(transmode=='n') {
@@ -569,7 +569,7 @@ void extrude_mesh(void)
 				VecSubf(nor, nor, G.obedit->obmat[3]);
 				BIF_setSingleAxisConstraint(nor, NULL);
 			}
-			Transform(TFM_TRANSLATION, CTX_NOPET);
+			Transform(TFM_TRANSLATION, CTX_NO_PET);
 		}
 	}
 
diff --git a/source/blender/src/transform.c b/source/blender/src/transform.c
index 23f4774b3ac..2c3c2fa5c1b 100755
--- a/source/blender/src/transform.c
+++ b/source/blender/src/transform.c
@@ -1426,7 +1426,8 @@ static void createTransData(TransInfo *t)
 	else if (G.obedit) {
 		t->ext = NULL;
 		if (G.obedit->type == OB_MESH) {
-			if(t->mode==TFM_SHRINKFATTEN) vertexnormals(0);
+			if(t->mode==TFM_SHRINKFATTEN && (t->context & CTX_NO_NOR_RECALC)==0)
+				vertexnormals(0);
 			createTransEditVerts(t);	
    		}
 		else if ELEM(G.obedit->type, OB_CURVE, OB_SURF) {
@@ -1655,6 +1656,10 @@ void Transform(int mode, int context)
 					}
 					Trans.redraw = 1;
 					break;
+				case CKEY:
+					stopConstraint(&Trans);
+					Trans.redraw = 1;
+					break;
 				case XKEY:
 					if ((Trans.flag & T_NO_CONSTRAINT)==0) {
 						if (cmode == 'X') {
diff --git a/source/blender/src/transform_generics.c b/source/blender/src/transform_generics.c
index 2fed8368c91..31641962ced 100755
--- a/source/blender/src/transform_generics.c
+++ b/source/blender/src/transform_generics.c
@@ -388,7 +388,7 @@ void initTrans (TransInfo *t)
 	t->flag = 0;
 
 	/* setting PET flag */
-	if ((t->context & CTX_NOPET) == 0 && (G.f & G_PROPORTIONAL)) {
+	if ((t->context & CTX_NO_PET) == 0 && (G.f & G_PROPORTIONAL)) {
 		t->flag |= T_PROP_EDIT;
 	}