scope javaTokNPunctuation_cached.

static Map<S, LS> #cache = synchronizedMRUCache(defaultTokenizerCacheSize());

static L<S> javaTokNPunctuation_cached(S s) {
  LS tok = cache.get(s);
  if (tok == null) cache.put(s, tok = javaTokNPunctuation(s));
  ret tok;
}

end scope