class Byebug::HelpCommand

def self.description
  <<-DESCRIPTION
    h[elp][ <cmd>[ <subcmd>]]
    #{short_description}
    help                -- prints a summary of all commands
    help <cmd>          -- prints help on command <cmd>
    help <cmd> <subcmd> -- prints help on <cmd>'s subcommand <subcmd>
  DESCRIPTION
end