BTW, without this you can see scary warnings on the CLI (why I noticed this initially): ``` (geany:32379): GLib-GObject-WARNING **: invalid cast from 'GtkBox' to 'GtkComboBoxText'
(geany:32379): GLib-GObject-WARNING **: invalid cast from 'GtkBox' to 'GtkComboBox'
(geany:32379): Gtk-CRITICAL **: gtk_combo_box_get_model: assertion 'GTK_IS_COMBO_BOX (combo_box)' failed
(geany:32379): Gtk-CRITICAL **: gtk_tree_model_get_iter_first: assertion 'GTK_IS_TREE_MODEL (tree_model)' failed
(geany:32379): Gtk-CRITICAL **: gtk_combo_box_text_insert: assertion 'GTK_IS_COMBO_BOX_TEXT (combo_box)' failed
(geany:32379): Gtk-CRITICAL **: gtk_tree_model_get_iter: assertion 'GTK_IS_TREE_MODEL (tree_model)' failed
```