docs: public boolean isConverterInPath(ScreenComponent sField)
      {
          Convert converter = sField.getConverter();
          while (converter != null)
          {
              if (converter == this)
                  return true;
              if (converter instanceof LinkedConverter)
              {
                  MultipleFieldConverter convMultiple = null;
                  boolean bOldEnable = false;
                  if (converter instanceof MultipleFieldConverter)
                      convMultiple = (MultipleFieldConverter)converter;
                  if (convMultiple != null)
                      bOldEnable = convMultiple.setEnableTranslation(false);
                  converter = ((LinkedConverter)converter).getNextConverter();
                  if (convMultiple != null)
                      convMultiple.setEnableTranslation(bOldEnable);
              }
              else
                  converter = null;
          }
          return false;   // Not found
      }