Index: branches/bills_081204/ippTasks/diff.pro
===================================================================
--- branches/bills_081204/ippTasks/diff.pro	(revision 20903)
+++ branches/bills_081204/ippTasks/diff.pro	(revision 20954)
@@ -98,5 +98,5 @@
   task.exit    0
     # convert 'stdout' to book format
-    ipptool2book stdout diffSkyfile -key diff_id -uniq -setword dbname $options:0 -setword pantaskState INIT
+    ipptool2book stdout diffSkyfile -key diff_id:skycell_id -uniq -setword dbname $options:0 -setword pantaskState INIT
     if ($VERBOSE > 2)
       book listbook diffSkyfile
@@ -214,5 +214,5 @@
   task.exit    0
     # convert 'stdout' to book format
-    ipptool2book stdout diffCleanup -key diff_id -uniq -setword dbname $options:0 -setword pantaskState INIT
+    ipptool2book stdout diffCleanup -key diff_id:skycell_id -uniq -setword dbname $options:0 -setword pantaskState INIT
     if ($VERBOSE > 2)
       book listbook diffCleanup