code: public synchronized Pluralizer find(Locale l) {
          while (l != null) {
              List<Locale> candidates = control
                                      .getCandidateLocales(PLURALIZER_CLASS, l);
              for (Locale c: candidates) {
                  Pluralizer p = pluralizers.get(c);
                  if (p != null) return p;
              }
              l = control.getFallbackLocale(PLURALIZER_CLASS, l);
          }
          return null;
      }
docs: Finds the best pluralizer for a locale.
  @param l
  @return a pluralizer
  @see #getRegistered(java.util.Locale)