Index: branches/pap/psModules/src/config/pmConfigMask.c
===================================================================
--- branches/pap/psModules/src/config/pmConfigMask.c	(revision 28179)
+++ branches/pap/psModules/src/config/pmConfigMask.c	(revision 28484)
@@ -8,4 +8,12 @@
 
 #include "pmConfigMask.h"
+
+// Structure to hold the properties of a mask value
+typedef struct {
+    char *badMaskName;                  // name for "bad" (i.e., mask me please) pixels
+    char *fallbackName;                 // Fallback name in case a bad mask name is not defined
+    psImageMaskType defaultMaskValue;   // Default value in case a bad mask name and its fallback are not defined
+    bool isBad; // include this value as part of the MASK.VALUE entry (generically bad)
+} pmConfigMaskInfo;
 
 static pmConfigMaskInfo masks[] = {
