# File lib/rbot/irc.rb, line 1003
    def replace(other)
      case other
      when User
        self.nick = other.nick
        self.user = other.user
        self.host = other.host
        @server = other.server
        @casemap = other.casemap unless @server
        @away = other.away?
      else
        self.replace(other.to_irc_user(server_and_casemap))
      end
    end