onjoin (Irc::IrcBot)

    # File rbot/ircbot.rb, line 573
      def onjoin(m)
        @channels[m.channel] = IRCChannel.new(m.channel) unless(@channels.has_key?(m.channel))
        if(m.address?)
          log "@ Joined channel #{m.channel}", m.channel
          puts "joined channel #{m.channel}"
        else
          log "@ #{m.sourcenick} joined channel #{m.channel}", m.channel
          @channels[m.channel].users[m.sourcenick] = Hash.new
          @channels[m.channel].users[m.sourcenick]["mode"] = ""
        end

        # delegate to plugins
        @plugins.delegate("join", m)
      end