code: public String get(byte b) {
  		Object o = m_infos.get(key(b));
  		String o2 = null;
  		if (m_bookInfos != null)
  			o2 = m_bookInfos.get(b);
  		if ((o == null) && (o2 == null))
  			return null;
  		else {
  			String ret = "";
  			if (o != null) {
  				ret += (String)o;
  				if (o2 != null)
  					ret += lineSeparator;
  			}
  			if (o2 != null)
  				ret += o2;
  			return ret;
  		}
  	}
docs: Returns the whole content of field b, null if not defined