B_TO
if (bp->t != B_TO)
if (bp->t != B_TO)
tobp = itree_add_bubble(toe, B_TO, 0,
if (bp->t != B_TO)
else if (bp->t == B_TO)
if (bp->t == B_TO || bp->t == B_INHIBIT) {
if (btype == B_TO && curr->t == B_TO) {
G.tobp = itree_add_bubble(G.toe, B_TO, G.k, G.generation);
case B_TO: return L_to;