// returns pair of relation text + target node
static L<Pair<S, WebNode>> web_forwardRelationsTextPlusNodes(WebNode node) {
  new L<Pair<S, WebNode>> l;
  for (WebNode n : web_allForwardRelated(node))
    l.add(pair(web_text(node.web.getRelation(node, n)), n));
  ret l;
}