--- ray/doc/notes/ReleaseNotes	2007/09/18 19:51:07	1.138
+++ ray/doc/notes/ReleaseNotes	2007/11/17 01:13:51	1.141
@@ -1636,3 +1636,10 @@ for discovering and reporting the problem.
 
 Adding ability in mkillum to incorporate BSDF data in calculation.
 Internal interface (raypcalls) now used in place of rtrace process(es).
+
+Fixed pixel alignment in pcomb for size reduction and enlargement.
+
+Allow rtcontrib user to set -P and -PP options for persistent rendering.
+The only caveat is that -n setting > 1 requires -PP rather than -P.
+
+Added -c option to rtcontrib to facilitate cumulative calculations.