162
162
valid_cursor (tree t, path p, bool start_flag) {
163
163
if ((!is_nil (p)) && (!is_atom (p)) && ((p->item < 0) || (p->item >= arity (t)))) {
164
164
cerr << "TeXmacs] testing valid cursor " << p << " in " << t << "\n";
168
168
if (is_nil (p)) return false;