// tok must come from htmlTok
// returns all container tags found (including content) as CNC
// honors nested tags correctly
static LLS mapMethodLike findContainerTagWithClassDeep(S className, LS tok) {
  new LLS l;
  for (LS t : findContainerTagDeep(tok, tag))
    if (cic(splitAtSpace_trim(tagParam(t, "class")), className))
      l.add(t);
  ret l;
}

static LLS findContainerTagWithClassDeep(LS tok, S className) {
  ret findContainerTagWithClassDeep(className, tok);
}