--- ray/doc/notes/ReleaseNotes	2005/05/04 23:43:19	1.73
+++ ray/doc/notes/ReleaseNotes	2005/05/31 18:01:08	1.77
@@ -1443,3 +1443,19 @@ which used to be prohibitively expensive.
 Added -T option to xshowtrace to trace rays to light sources.
 
 Added meta2bmp program to produce BMP files from metafile graphics.
+
+Added cct_x(t) and cct_y(t) to src/cal/cal/blackbody.cal to interpolate
+CIE chromaticities for particular black-body temperatures.
+
+Increased maximum number of input pictures in pcomb and pcompos to 512.
+
+Created rtcontrib program for computing ray contribution coefficients.
+This tool may be used to do standard optical ray tracing or daylight
+coefficient calculations for annual simulations, among other uses.
+
+Added tilde ('~') output option as part of the -o* specification of
+rtrace.  This permits ray trees to be parsed more easily in binary
+output mode, as needed by rtcontrib.
+
+Implemented Russian roulette ray termination with -lr set to 0.  Made
+this the default in rtcontrib.