Index: trunk/ippTools/src/difftoolConfig.c
===================================================================
--- trunk/ippTools/src/difftoolConfig.c	(revision 11787)
+++ trunk/ippTools/src/difftoolConfig.c	(revision 11789)
@@ -72,4 +72,6 @@
     psMetadataAddStr(addinputscfileArgs, PS_LIST_TAIL, "-p5_id", 0,
             "define p5 ID (required)", NULL);
+    psMetadataAddStr(addinputscfileArgs, PS_LIST_TAIL, "-p4_id", 0,
+            "define p4 ID (required)", NULL);
     psMetadataAddStr(addinputscfileArgs, PS_LIST_TAIL, "-skycell_id", 0,
             "define by skycell ID", NULL);
@@ -89,4 +91,6 @@
     psMetadataAddStr(inputscfileArgs, PS_LIST_TAIL, "-p5_id", 0,
             "search by p5 ID (required)", NULL);
+    psMetadataAddStr(inputscfileArgs, PS_LIST_TAIL, "-p4_id", 0,
+            "search by p4 ID (required)", NULL);
     psMetadataAddStr(inputscfileArgs, PS_LIST_TAIL, "-skycell_id", 0,
             "search by skycell ID", NULL);