Index: trunk/ippconfig/recipes/filerules-mef.mdc
===================================================================
--- trunk/ippconfig/recipes/filerules-mef.mdc	(revision 28541)
+++ trunk/ippconfig/recipes/filerules-mef.mdc	(revision 29379)
@@ -295,4 +295,5 @@
                                                                                      
 PPSTAMP.OUTPUT          OUTPUT {OUTPUT}.fits                     IMAGE     COMP_IMG   FPA        TRUE      NONE
+PPSTAMP.OUTPUT.DIFF     OUTPUT {OUTPUT}.fits                     IMAGE     COMP_SUB   FPA        TRUE      NONE
 PPSTAMP.OUTPUT.MASK     OUTPUT {OUTPUT}.mk.fits                  MASK      COMP_MASK  FPA        TRUE      NONE
 PPSTAMP.OUTPUT.VARIANCE OUTPUT {OUTPUT}.wt.fits                  VARIANCE  COMP_WT    FPA        TRUE      NONE