docs: function consumeTimeStamp() {
        var ts = parseTimeStamp(input);
        if (ts === null) {
          throw new ParsingError(ParsingError.Errors.BadTimeStamp,
                                "Malformed timestamp: " + oInput);
        }
        // Remove time stamp from input.
        input = input.replace(/^[^\sa-zA-Z-]+/, "");
        return ts;
      }