--- ray/doc/notes/ReleaseNotes	2006/12/23 17:27:45	1.132
+++ ray/doc/notes/ReleaseNotes	2007/02/26 21:16:02	1.133
@@ -1615,3 +1615,5 @@ Added -spec option to falsecolor to restore original s
 Also added "-s auto" option to automatically set the maximum value.
 
 Added byte-swapping input and output to rcalc.
+
+Additional error-checking for source surfaces.