bx1               256 src/learn.c        int bx0, bx1;
bx1               336 src/learn.c        bx1 = bx0 + bl0 + 1;
bx1               338 src/learn.c        group_add_widget (g, button_new (dlg_height - 3, bx1, B_CANCEL, NORMAL_BUTTON, b1, NULL));