code: protected static void addTileSetRuleSet (Digester digester, TileSetRuleSet ruleSet)
      {
          ruleSet.setPrefix("actions" + ActionRuleSet.ACTION_PATH);
          digester.addRuleSet(ruleSet);
          digester.addSetNext(ruleSet.getPath(), "addTileSet", TileSet.class.getName());
      }
docs: Configures <code>ruleSet</code> and hooks it into <code>digester</code>.