# File lib/rbot/irc.rb, line 1547
    def reset_capabilities
      @supports = {
        :casemapping => 'rfc1459'.to_irc_casemap,
        :chanlimit => {},
        :chanmodes => {
          :typea => nil, # Type A: address lists
          :typeb => nil, # Type B: needs a parameter
          :typec => nil, # Type C: needs a parameter when set
          :typed => nil  # Type D: must not have a parameter
        },
        :channellen => 50,
        :chantypes => "#&!+",
        :excepts => nil,
        :idchan => {},
        :invex => nil,
        :kicklen => nil,
        :maxlist => {},
        :modes => 3,
        :network => nil,
        :nicklen => 9,
        :prefix => {
          :modes => [:o, :v],
          :prefixes => ["@""@", :+]
        },
        :safelist => nil,
        :statusmsg => nil,
        :std => nil,
        :targmax => {},
        :topiclen => nil
      }
      @capabilities = {}
    end