code: private void convert(int set[], UnicodeSet uset)
      {
          uset.clear();
          if (!initNameSetsLengths()) {
              return;
          }
  
          // build a char string with all chars that are used in character names
          for (char c = 255; c > 0; c --) {
              if (contains(set, c)) {
                  uset.add(c);
              }
          }
      }
docs: Converts the char set cset into a Unicode set uset.
  Equivalent to charSetToUSet.
  @param set Set of 256 bit flags corresponding to a set of chars.
  @param uset USet to receive characters. Existing contents are deleted.