1.  When used w/o subprocess, all exceptions were preceeded by an error
    message claiming they were IDLE internal errors (since 1.2a1).
2.  Add Ronald Oussoren to CREDITS

M    NEWS.txt
M    PyShell.py
M    CREDITS.txt
diff --git a/Lib/idlelib/CREDITS.txt b/Lib/idlelib/CREDITS.txt
index d524405..e838c03 100644
--- a/Lib/idlelib/CREDITS.txt
+++ b/Lib/idlelib/CREDITS.txt
@@ -19,9 +19,9 @@
 subprocess, and made a number of usability enhancements.
 
 Other contributors include Raymond Hettinger, Tony Lownds (Mac integration),
-Neal Norwitz (code check and clean-up), Noam Raphael (Code Context, Call Tips,
-many other patches), and Chui Tey (RPC integration, debugger integration and
-persistent breakpoints).
+Neal Norwitz (code check and clean-up), Ronald Oussoren (Mac integration),
+Noam Raphael (Code Context, Call Tips, many other patches), and Chui Tey (RPC
+integration, debugger integration and persistent breakpoints).
 
 Scott David Daniels, Tal Einat, Hernan Foffani, Christos Georgiou,
 Martin v. Löwis, Jason Orendorff, Josh Robb, Nigel Rowe, Bruce Sherwood,