bx0               341 src/learn.c        const int bx0 = (dlg_width - (bw0 + bw1 + 1)) / 2;
bx0               342 src/learn.c        const int bx1 = bx0 + bw0 + 1;
bx0               344 src/learn.c        WIDGET (bt0)->rect.x = bx0;