Misc/NEWS.d/next/Library/2017-10-23-20-03-36.bpo-28292.1Gkim2.rst


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Calendar.itermonthdates() will now consistently raise an exception when a
date falls outside of the 0001-01-01 through 9999-12-31 range.  To support
applications that cannot tolerate such exceptions, the new methods
itermonthdays3() and itermonthdays4() are added.  The new methods return
tuples and are not restricted by the range supported by datetime.date.