/* add the expander */
dlg->expander = gtk_expander_new_with_mnemonic ("Back_trace:");
gtk_box_pack_start (GTK_BOX(vbox), dlg->expander, TRUE, TRUE, 0);
g_signal_connect (dlg->expander, "activate",
G_CALLBACK(gtk_assert_dialog_expander_callback), dlg);
/* add the expander */
dlg->expander = gtk_expander_new_with_mnemonic ("Back_trace:");
gtk_box_pack_start (GTK_BOX(vbox), dlg->expander, TRUE, TRUE, 0);
g_signal_connect (dlg->expander, "activate",
G_CALLBACK(gtk_assert_dialog_expander_callback), dlg);