Calendar constructor fail


#1

On a new form, clicking on Construct-Calendar produces a calendar, but clicking the ‘hand’ arrows to go back a month or forward a month overwrites the month name, so November remains when I click to go back to October:


Strange text shadowing
#2

This matches the description of Bitbucket issue #300 which is marked as a duplicate of #238.

The problem goes away after the calendar form is closed and reopened.