anchor.diff:  init() ->
       case get_hosts() of
           fail -> Hosts =
  -                  case config:read(cloud_ssh_hosts) of
  -                      failed -> [];
  -                      List -> lists:map(fun(Host) -> {Host, inactive} end, List)
  -                  end,
  -              save_hosts(Hosts);
  +                    case config:read(cloud_ssh_hosts) of
  +                        failed -> [];
  +                        List -> lists:map(fun(Host) -> {Host, inactive} end, List)
  +                    end,
  +                save_hosts(Hosts);
           _ -> ok
       end.
   
   -spec get_number_of_vms() -> fail | non_neg_integer().
   get_number_of_vms() ->
       case get_hosts() of
  -		fail -> fail;
  -		{_, List} -> get_number_of_vms(List)
  -	end.
  +        fail -> fail;
  +        {_, List} -> get_number_of_vms(List)
  +    end.
   
   -spec get_number_of_vms(hostlist()) -> fail | non_neg_integer().
   get_number_of_vms(Hosts) ->
  
positive.code: 
  -spec add_or_remove_vms(add | remove, integer()) ->  fail | ok.
  add_or_remove_vms(Flag, Pending) ->
  	case get_hosts() of
      	{TLog, Hosts} ->
  			UpdatedHosts = add_or_remove_vms(Flag, Pending, Hosts, []),
  			save_hosts(TLog, UpdatedHosts);
  		fail -> fail
  	end.
  
  -spec add_or_remove_vms(add | remove, integer(), hostlist(), hostlist()) -> hostlist().
  add_or_remove_vms(_Flag, _Pending = 0, Hosts, UpdatedHosts) ->
  
negative.code:                                   end
                            end, Hosts),
              ok;
          fail -> fail
      end.
  
  -spec scalaris_vm(start | stop, string()) -> ok.
  