class Byebug::CatchCommand

def help(cmd)
  %{
    cat[ch]\t\tsame as "info catch"
    cat[ch] <exception-name> [on|off]
rcept <exception-name> when there would otherwise be no handler.
 an "on" or "off", turn handling the exception on or off.
    cat[ch] off\tdelete all catchpoints
  }
end