Applying r22c1 branch mods back to the trunk.
diff --git a/Mac/Distributions/binary.include b/Mac/Distributions/binary.include
index e75b325..1c6f417 100644
--- a/Mac/Distributions/binary.include
+++ b/Mac/Distributions/binary.include
@@ -219,3 +219,5 @@
 (':pystone.py', None)
 (':setup.py', None)
 (':site-packages', None)
+(':Mac:ReadMe~0', None)
+(':Mac:Contrib:mpwsystem', '')