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+This libray consists of a group of classes which allow KDE 
+applications to access calendar dates outside of the limited range 
+of years imposed by QDate.
+
+The QDate class has a limited range of valid dates.  It does not 
+recognize dates prior to 14 Oct 1752 (when the Gregorian calendar 
+was adopted by England), nor dates after 31 Dec 8000.  Both of these 
+limits are arbitrary.
+
+
+The following classes are included:
+
+ExtDate:  Replaces QDate.  There is no restriction on what dates 
+may be entered.  For dates in the valid QDate range, it is 
+completely equivalent to QDate.
+
+ExtDateTime:  Replaces QDateTime.  Consists of a QTime object
+and an ExtDate object.
+
+ExtCalendarSystem:  Replaces KCalendarSystem.  Uses ExtDate instead
+of QDate.  ExtCalendarSystem is a baseclass foundation for several 
+different calendar systems.  A "calendar system" is just a method for
+hierarchically subdividing the long count of days known as the Julian 
+Day Calendar into groups (weeks, months, years).  
+
+ExtCalendarSystemGregorian:  Replaces KCalendarSystemGregorian.
+The most common calendar system in modern western societies is the 
+Gregorian calendar.  This class implements the Gregorian calendar 
+as a ExtCalendarSystem.
+
+ExtDateTable:  Replaces KDateTable.
+ExtDatePicker:  Replaces KDatePicker.
+ExtDateTimeEdit: Replaces QDateTimeEdit.
+ExtDateWidget:  Replaces KDateWidget.
+
+There are two test programs with the library, to verify the 
+functionality of the ExtDate classes:
+
+test_extdate tests the non-GUI functionality, comparing results of 
+several operations with the results from QDate.
+
+test_extdatepicker presents a KDatePicker widget and an ExtDatePicker
+widget side-by-side.