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Add note about new and improved xrange().
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@ -3,6 +3,14 @@ What's New in Python 2.1 alpha 1?
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Core language, builtins, and interpreter
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- The xrange() object implementation has been improved so that
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xrange(sys.maxint) can be used on 64-bit platforms. There's still a
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limitation that in this case len(xrange(sys.maxint)) can't be
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calculated, but the common idiom "for i in xrange(sys.maxint)" will
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work fine as long as the index i doesn't actually reach 2**31.
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(Python uses regular ints for sequence and string indices; fixing
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that is much more work.)
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- Two changes to from...import:
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1) "from M import X" now works even if M is not a real module; it's
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