Index: trunk/psModules/src/imcombine/pmSubtractionMatch.h
===================================================================
--- trunk/psModules/src/imcombine/pmSubtractionMatch.h	(revision 14805)
+++ trunk/psModules/src/imcombine/pmSubtractionMatch.h	(revision 15305)
@@ -37,5 +37,6 @@
                         float rej,      ///< Rejection threshold
                         psMaskType maskBad, ///< Value to mask
-                        psMaskType maskBlank ///< Mask for blank region
+                        psMaskType maskBlank, ///< Mask for blank region
+                        float badFrac   ///< Maximum fraction of bad input pixels to accept
     );