--- ray/doc/notes/ReleaseNotes	2005/08/19 02:31:32	1.93
+++ ray/doc/notes/ReleaseNotes	2005/08/22 16:07:26	1.94
@@ -1501,3 +1501,9 @@ Changed mksource to use 98th percentile (rather than 9
 
 Eliminated writing of EXPOSURE= line in ra_tiff -r when source TIFF
 does not have STONITS set.
+
+Fixed bug in ambient calculation that caused black values for multiple
+bounces in some scenes.  Thanks to Mark Stock for creating and sharing
+the sophisticated test scene that demonstrated this problem.
+
+(Above changes included in 3.7.2 patch release 22 Aug 2005.)