w_panel = GTK_PANED(gtk_builder_get_object(builder, "paned2"));
w_headline_title
= GTK_LABEL(gtk_builder_get_object(builder, "headline_title"));
w_panel = GTK_PANED(gtk_builder_get_object(builder, "paned2"));
w_headline_title
= GTK_LABEL(gtk_builder_get_object(builder, "headline_title"));