# File rbot/keywords.rb, line 311
    def help(topic="")
      case topic
        when "overview"
          return "set: <keyword> is <definition>, overide: no, <keyword> is <definition>, add to definition: <keyword> is also <definition>, random responses: <keyword> is <definition> | <definition> [| ...], plurals: <keyword> are <definition>, escaping: \\is, \\are, \\|, specials: <reply>, <action>, <who>"
        when "set"
          return "set => <keyword> is <definition>"
        when "plurals"
          return "plurals => <keywords> are <definition>"
        when "override"
          return "overide => no, <keyword> is <definition>"
        when "also"
          return "also => <keyword> is also <definition>"
        when "random"
          return "random responses => <keyword> is <definition> | <definition> [| ...]"
        when "get"
          return "asking for keywords => (with addressing) \"<keyword>?\", (without addressing) \"'<keyword>\""
        when "tell"
          return "tell <nick> about <keyword> => if <keyword> is known, tell <nick>, via /msg, its definition"
        when "forget"
          return "forget <keyword> => forget fact <keyword>"
        when "keywords"
          return "keywords => show current keyword counts"
        when "<reply>"
          return "<reply> => normal response is \"<keyword> is <definition>\", but if <definition> begins with <reply>, the response will be \"<definition>\""
        when "<action>"
          return "<action> => makes keyword respnse \"/me <definition>\""
        when "<who>"
          return "<who> => replaced with questioner in reply"
        when "<topic>"
          return "<topic> => respond by setting the topic to the rest of the definition"
        else
          return "Keyword module (Fact learning and regurgitation) topics: overview, set, plurals, override, also, random, get, tell, forget, keywords, <reply>, <action>, <who>, <topic>"
      end
    end