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.. rubric:: New widget
- :class:`DateEntry`: date selection entry with drop-down calendar
.. rubric:: New options
- *borderwidth*: width of the border around the calendar (integer)
- *othermonthbackground*: background color for normal week days belonging to the previous/next month
- *othermonthweforeground*: foreground color for week-end days belonging to the previous/next month
- *othermonthwebackground*: back
.. rubric:: Bug fixes
- Fix display of the first days of the next month
- Increment year when going from December to January