gtk_label_set_use_markup(GTK_LABEL(title), TRUE);
gtk_label_set_markup(GTK_LABEL(title), title_str);
gtk_label_set_line_wrap(GTK_LABEL(title), TRUE);
gtk_label_set_use_markup(GTK_LABEL(title), TRUE);
gtk_label_set_markup(GTK_LABEL(title), title_str);
gtk_label_set_line_wrap(GTK_LABEL(title), TRUE);