--- ray/doc/notes/ReleaseNotes	2008/03/11 02:21:46	1.146
+++ ray/doc/notes/ReleaseNotes	2008/04/18 18:06:29	1.147
@@ -1663,3 +1663,7 @@ Corporation in Boulder, CO, and directed by Zack Roger
 
 Added "planisphere" (stereographic) fisheye view type for traditional
 daylighting analysis.  Feature requested & explained by Axel Jacobs.
+
+Modified -c option to rtcontrib so it can take a number of input
+rays to average over, rather than only produce a single accumulated
+record (which can now be done with -c 0).