Index: trunk/ippconfig/recipes/ppStack.config
===================================================================
--- trunk/ippconfig/recipes/ppStack.config	(revision 24839)
+++ trunk/ippconfig/recipes/ppStack.config	(revision 24845)
@@ -19,4 +19,5 @@
 BIN1		S32	4		# Binning factor for first level
 BIN2		S32	4		# Binning factor for second level
+SKIP.BG.SUB	BOOL	FALSE		# Bypass background subtraction?
 
 RENORM		BOOL	FALSE		# Renormalise variance maps?
@@ -79,3 +80,4 @@
 	CONVOLVE	BOOL	FALSE
 	IMAGE.REJ	F32	0.5	
+	SKIP.BG.SUB	BOOL	TRUE
 END
