>>>>> "GvR" == Guido van Rossum <guido@python.org> writes:
GvR> Or maybe we could introduce a new warning category,
GvR> SilentDeprecationWarning, which is normally ignored (like
GvR> OverflowWarning already is). This could be turned on
GvR> explicitly with a -W option so someone wanting to check that
GvR> their code is future-proof would have an easy way to do so.
+1
-Barry