get a gtk_widget_destroy invocation, which meant we left some
callbacks registered, long after our child 'views' were destroyed
causing sudden death in update_marcus_bains_line_cb, manipulating
views.
get a gtk_widget_destroy invocation, which meant we left some
callbacks registered, long after our child 'views' were destroyed
causing sudden death in update_marcus_bains_line_cb, manipulating
views.