Made "ascii" the default encoding for MacPython, as suggested by MvL, and ripped out my previous changes to test_unicode. Doing this for 2.3a1 should give people enough time to complain, if they want to, and then we can see whether we want to do anything about it.
diff --git a/Misc/NEWS b/Misc/NEWS
index fe748a4..b55f8da 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -1202,6 +1202,11 @@
- MacPython no longer maps both \r and \n to \n on input for any text file.
This feature has been replaced by universal newline support (PEP278).
+
+- The default encoding for Python sourcefiles in MacPython-OS9 is no longer
+ mac-roman (or whatever your local Mac encoding was but "ascii", like on
+ other platforms. If you really need sourcefiles with Mac characters in them
+ you can change this in site.py.
What's New in Python 2.2 final?
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