static void ai_spec_webContents(S s) {
  new Matches m;
  if (!swic_trim(s, "Web ", m)) ret;
  Web web = ai_getWeb(id);
  if (web == null) ret;
  ai_postTriple("is a web");
  for (WebNode node : web_nodesAndRelations(web))
    ai_postTriple(s, node << WebRelation ? "contains relation" : "contains node", web_text(node));
}