   end
 
   @doc """
-  Returns information about the process identified by pid or nil if the process
+  Returns information about the process identified by `pid` or `nil` if the process
   is not alive.
   Use this only for debugging information.
 

  end

  @doc """
  Associates the name with a pid or a port identifier. name, which must
  be an atom, can be used instead of the pid / port identifier with the
  `Kernel.send/2` function.

  `Process.register/2` will fail with `ArgumentError` if the pid supplied
  is no longer alive, (check with `alive?/1`) or if the name is
  already registered (check with `registered?/1`).
  """
  @spec register(pid | port, atom) :: true
  def register(pid, name) when not name in [nil, false, true] do

  end

  @doc """
  Sends `msg` to `dest` after `time` milliseconds.

  If `dest` is a pid, it must be the pid of a local process, dead or alive.
  If `dest` is an atom, it must be the name of a registered process
  which is looked up at the time of delivery. No error is given if the name does
  not refer to a process.

