tab_text (t, 0, 0, TAB_CENTER, _("Case Number"));
tab_text (t, 1, 0, TAB_CENTER, _("Cluster"));
tab_box (t, TAL_2, TAL_2, TAL_0, TAL_1, 0, 0, nc - 1, nr - 1);
tab_text (t, 0, 0, TAB_CENTER, _("Case Number"));
tab_text (t, 1, 0, TAB_CENTER, _("Cluster"));
tab_box (t, TAL_2, TAL_2, TAL_0, TAL_1, 0, 0, nc - 1, nr - 1);