docs: private String writeSchemata(File dir) throws IOException
      {
          writeCompressedTexts(dir, _torqueSchemata);
  
          StringBuffer includes = new StringBuffer();
  
          for (Iterator it = _torqueSchemata.keySet().iterator(); it.hasNext();)
          {
              includes.append((String)it.next());
              if (it.hasNext())
              {
                  includes.append(",");
              }
          }
          return includes.toString();
      }