1. fefbbe5 fix bogus hasttr usage by Guido van Rossum · 30 years ago
  2. 55d2f39 rename copy.Error to copy.error by Guido van Rossum · 30 years ago
  3. cc6764c added __doc__ strings etc. by Guido van Rossum · 30 years ago
  4. 409780f shallow and deep copy operations by Guido van Rossum · 30 years ago