Index: /trunk/ippconfig/ipprc.config.in
===================================================================
--- /trunk/ippconfig/ipprc.config.in	(revision 13466)
+++ /trunk/ippconfig/ipprc.config.in	(revision 13467)
@@ -68,5 +68,5 @@
 	PSPHOT		STR     	recipes/psphot.config	# Photometry
 	PSASTRO		STR		recipes/psastro.config	# Astrometry
-	PPSTAC		STR		recipes/ppStac.config	# Combination
+	PPSTACK		STR		recipes/ppStack.config	# Combination
 	PSWARP		STR		recipes/pswarp.config   # Warping
 	PPSIM		STR		recipes/ppSim.config	# Simulations
Index: unk/ippconfig/recipes/ppStac.config
===================================================================
--- /trunk/ippconfig/recipes/ppStac.config	(revision 13466)
+++ 	(revision )
@@ -1,5 +1,0 @@
-# Recipe configuration for ppMerge
-MASKVAL		S32	0xff		# Mask value for input data
-COMBINE		STR	MEAN		# Statistic to use for combination
-REJ		F32	3.0		# Rejection threshold (sigma)
-ITER		S32	1		# Number of rejection iterations
Index: /trunk/ippconfig/recipes/ppStack.config
===================================================================
--- /trunk/ippconfig/recipes/ppStack.config	(revision 13467)
+++ /trunk/ippconfig/recipes/ppStack.config	(revision 13467)
@@ -0,0 +1,7 @@
+# Recipe configuration for ppStack (image combination)
+
+ITER		S32	1		# Number of rejection iterations
+REJ		F32	3.0		# Rejection threshold (sigma)
+EXTENT		F32	3.0		# Extent of Gaussian convolution (sigma)
+MASK.BAD	U8	0x0f		# Mask value of bad pixels
+MASK.BLANK	U8	0xf0		# Mask value to give blank pixels