GContainer.pack_container ~create:(fun pl ->
let obj = SourceView.new_ () in
Gobject.set_params (Gobject.try_cast obj "GtkSourceView") pl;
GContainer.pack_container ~create:(fun pl ->
let obj = SourceView.new_ () in
Gobject.set_params (Gobject.try_cast obj "GtkSourceView") pl;