--- ray/doc/notes/ReleaseNotes	2018/04/14 17:45:42	1.316
+++ ray/doc/notes/ReleaseNotes	2018/05/04 23:56:49	1.318
@@ -2205,3 +2205,9 @@ command, now.
 
 Reduced bias in ambient super-sampling method.
 
+Fixed bugs associated with zero transmission in chromatic tensor trees.
+Thanks to Lars Grobe for pointing out issues.
+
+Added RAYPATH searching for -f options to genrev, gensurf, genworm,
+bsdf2klems, bsdf2ttree, and pcomb.  This makes behavior consistent
+with rcalc, calc, and rendering tools.