--- ray/doc/notes/ReleaseNotes	2006/11/13 02:41:46	1.131
+++ ray/doc/notes/ReleaseNotes	2007/02/26 21:16:02	1.133
@@ -1613,3 +1613,7 @@ Version 3.9
 
 Added -spec option to falsecolor to restore original spectral color scale.
 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.