>From the preamble:

Change Set:        Dates-raok
Date:           19 April 2002
Author:         Richard A. O'Keefe

My original intent was just to add a few class comments, but I soon
noticed a few missing methods (enumerating over the days of a month, for
example).  That's not all that's missing, a DateInterval class (with
Week and Month as subclasses of that instead of Date) is clearly called
for.  But that's too much refactoring for one morning.  I also noticed
that the instance creation methods of Date were inherited by Month, and
could too easily be used to create invalid Months, so they had to be
overridden.  Very little has been done to Week; there should be two
classes MondayWeek and SundayWeek instead of the 'startMonday' hack.

Date>>previous:  appeared to be broken, but Week relied on the breakage,
so I have just noted the problem in a comment.

begin 644 Dates-raok.1.cs
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