docs: def upgradeUserInfo1to2(oldUserInfo):
      """
      Concatenate the I{firstName} and I{lastName} attributes from the old user
      info item and set the result as the I{realName} attribute of the upgraded
      item.
      """
      newUserInfo = oldUserInfo.upgradeVersion(
          UserInfo.typeName, 1, 2,
          realName=oldUserInfo.firstName + u" " + oldUserInfo.lastName)
      return newUserInfo