Index: trunk/Ohana/src/imregister/include/detrend.h
===================================================================
--- trunk/Ohana/src/imregister/include/detrend.h	(revision 77)
+++ trunk/Ohana/src/imregister/include/detrend.h	(revision 2453)
@@ -55,4 +55,6 @@
 } output;
 
+/* altpath values */
+enum {NONE, ADD, DELETE, UPDATE};
 enum {START, STOP, REG};
 enum {UNLOCK, LOCK, IGNORE};
