bx0               256 src/learn.c        int bx0, bx1;
bx0               335 src/learn.c        bx0 = (dlg_width - (bl0 + bl1 + 1)) / 2;
bx0               336 src/learn.c        bx1 = bx0 + bl0 + 1;
bx0               337 src/learn.c        group_add_widget (g, button_new (dlg_height - 3, bx0, B_ENTER, DEFPUSH_BUTTON, b0, NULL));