+## dbg('MaskedComboBox::_GetInsertionPoint()', indent=1)
+## ret = self.GetInsertionPoint()
+ # work around new bug in 2.5, in which the insertion point
+ # returned is always at the right side of the selection,
+ # rather than the start, as is the case with TextCtrl.
+ ret = self.GetMark()[0]
+## dbg('returned', ret, indent=0)
+ return ret