Index: trunk/psModules/src/astrom/pmAstrometryRegions.h
===================================================================
--- trunk/psModules/src/astrom/pmAstrometryRegions.h	(revision 12518)
+++ trunk/psModules/src/astrom/pmAstrometryRegions.h	(revision 41892)
@@ -10,4 +10,7 @@
 #ifndef PM_ASTROMETRY_REGIONS_H
 #define PM_ASTROMETRY_REGIONS_H
+
+// used by pmAstrometryDistortion.c, pmAstrometryWCS.c, pmAstrometryModel.c
+// # define EXTRA_ORDERS 6
 
 /// @addtogroup Astrometry