"at level %d node %d ofs=%d sz=%d u=%p sc=%d",
pp->level, p->pos, p->offset, p->size,untilbuf, scope);
#endif
if (untilbuf) {
if (isamb_pp_forward_on_leaf( pp, buf, untilbuf)) {
#if ISAMB_DEBUG
"at level %d node %d ofs=%d sz=%d u=%p sc=%d",
pp->level, p->pos, p->offset, p->size,untilbuf, scope);
#endif
if (untilbuf) {
if (isamb_pp_forward_on_leaf( pp, buf, untilbuf)) {
#if ISAMB_DEBUG