// returns true if web contains nodes that are too long
static bool web_nodesTooLong(Web web) {
  if (web == null) false;
  int max = ai_maxNodeTextLength();
  for (WebNode n : web_nodesAndRelations(web))
    for (S s : web_texts(n))
      if (l(s) > max)
        true;
  false;
}