self.comment_label.grid ()
self.comment_var = StringVar (self, default_comment ())
self.comment_var.trace ("w", self.update_widgets)
self.comment = Entry (self.info_frame, textvariable = self.comment_var)
self.comment_label.grid ()
self.comment_var = StringVar (self, default_comment ())
self.comment_var.trace ("w", self.update_widgets)
self.comment = Entry (self.info_frame, textvariable = self.comment_var)