Fix bail_fail on `&33:~`
@@ -82,6 +82,11 @@ u3r_at(u3_atom a, u3_noun b)
b = _frag_word(a_u->buf_w[len_w - 1], b);
len_w -= 1;
+ if ( u3_none == b ) {
+ u3t_off(far_o);
+ return b;
+ }
+
while ( len_w ) {
b = _frag_deep(a_u->buf_w[len_w - 1], b);
