In the swinglabs-demo (Aug 8, 2005), "Date Selection" demo
The default syntax of the text in the editable combobox is "<Day> mm/dd/yyyy".
If the user types in m/d/yy, it auto corrects to "mm/dd/yyyy" format, but the
Day is left out.
And after the Day gets left out, using the combobox to select other dates also
results in just "mm/dd/yyyy" format.
The combobox syntax should remain the same after validation or selection of date.