Fix \n newlines to ~n ones

Author: kostis

pages_src/Tutorials/2#PropEr_testing_of_generic_servers.md

@@ -575,7 +575,7 @@ false, the `Action` specified as the first argument will be executed.
                         ?SERVER:start_link(),
                         {History,State,Result} = run_commands(?MODULE, Cmds),
                         ?SERVER:stop(),
-                        ?WHENFAIL(io:format("History: ~w\nState: ~w\nResult: ~w\n",
+                        ?WHENFAIL(io:format("History: ~w~nState: ~w\nResult: ~w~n",
                                             [History,State,Result]),
                                   Result =:= ok)
                     end)).
@@ -840,7 +840,7 @@ to collect statistics about how often each command was executed.
                         ?SERVER:start_link(),
                         {History,State,Result} = run_commands(?MODULE, Cmds),
                         ?SERVER:stop(),
-                        ?WHENFAIL(io:format("History: ~w\nState: ~w\nResult: ~w\n",
+                        ?WHENFAIL(io:format("History: ~w~nState: ~w\nResult: ~w~n",
                                             [History,State,Result]),
                                   aggregate(command_names(Cmds), Result =:= ok))
                     end)).

pages_src/Tutorials/3#PropEr_testing_of_process_interaction.md

@@ -258,7 +258,7 @@ this property to pass the tests:
                         ?MASTER:start_link(),
                         {History,State,Result} = run_commands(?MODULE, Cmds),
                         ?MASTER:stop(),
-                        ?WHENFAIL(io:format("History: ~w\nState: ~w\nResult: ~w\n",
+                        ?WHENFAIL(io:format("History: ~w~nState: ~w\nResult: ~w~n",
                                             [History, State, Result]),
                                   aggregate(command_names(Cmds), Result =:= ok))
                     end)).
@@ -337,7 +337,7 @@ output more informative debugging information.
                         ?MASTER:start_link(),
                         {History,State,Result} = run_commands(?MODULE, Cmds),
                         ?MASTER:stop(),
-                        ?WHENFAIL(io:format("History: ~w\nState: ~w\nRes: ~w\n",
+                        ?WHENFAIL(io:format("History: ~w~nState: ~w\nRes: ~w~n",
                                            [pretty_history(History), pretty_state(State), Result]),
                                   aggregate(command_names(Cmds), Result =:= ok))
                     end)).

pages_src/Tutorials/4#PropEr_testing_of_finite_state_machines.md

@@ -186,7 +186,7 @@ out of food in the storage.
                                        %% to initialize the model state
                     {History, State, Result} = proper_fsm:run_commands(?MODULE, Cmds),
                     stop(),
-                    ?WHENFAIL(io:format("History: ~w\nState: ~w\nResult: ~w\n",
+                    ?WHENFAIL(io:format("History: ~w~nState: ~w\nResult: ~w~n",
                                         [History, State, Result]),
                               Result =:= ok)
                 end).
@@ -437,7 +437,7 @@ have a look at the testcase distribution.
                                        %% to initialize the model state
                     {History, State, Result} = proper_fsm:run_commands(?MODULE, Cmds),
                     stop(),
-                    ?WHENFAIL(io:format("History: ~w\nState: ~w\nResult: ~w\n",
+                    ?WHENFAIL(io:format("History: ~w~nState: ~w\nResult: ~w~n",
                                         [History, State, Result]),
                               aggregate(zip(proper_fsm:state_names(History),
                                             command_names(Cmds)),

resources/code/food_fsm.erl

@@ -255,7 +255,7 @@ prop_doesnt_run_out_of_supplies() ->
 		    proper_fsm:run_commands(?MODULE, Cmds),
 		stop(),
 		?WHENFAIL(
-		   io:format("History: ~w\nState: ~w\nResult: ~w\n",
+		   io:format("History: ~w~nState: ~w\nResult: ~w~n",
 			     [History, State, Result]),
 		   aggregate(zip(proper_fsm:state_names(History),
 				 command_names(Cmds)),

resources/code/movies/movie_statem.erl

@@ -38,7 +38,7 @@ prop_server_works_fine() ->
 		   ?SERVER:start_link(),
 		   {History,State,Result} = run_commands(?MODULE, Cmds),
 		   ?SERVER:stop(),
-		   ?WHENFAIL(io:format("History: ~w\nState: ~w\nResult: ~w\n",
+		   ?WHENFAIL(io:format("History: ~w~nState: ~w\nResult: ~w~n",
 		   		       [History,State,Result]),
 		   	     aggregate(command_names(Cmds), Result =:= ok))
 	       end)).

resources/code/ping_pong/master_statem.erl

@@ -27,7 +27,7 @@ prop_master() ->
 	      {History,State,Result} = run_commands(?MODULE, Cmds),
 	      ?MASTER:stop(),
 	      ?WHENFAIL(
-		 io:format("History: ~w\nState: ~w\nResult: ~w\n",
+		 io:format("History: ~w~nState: ~w\nResult: ~w~n",
 			   [pretty_history(History), pretty_state(State), Result]),
 		 aggregate(command_names(Cmds), Result =:= ok))
 	  end)).

resources/code/ping_pong/ping_pong_statem.erl

@@ -27,7 +27,7 @@ prop_ping_pong_works() ->
 		   {History,State,Result} = run_commands(?MODULE, Cmds),
 		   ?MASTER:stop(),
 		   ?WHENFAIL(
-		      io:format("History: ~w\nState: ~w\nResult: ~w\n",
+		      io:format("History: ~w~nState: ~w\nResult: ~w~n",
 				%% [History, State, Result]),
 				[pretty_history(History), pretty_state(State), Result]),
 		      aggregate(command_names(Cmds), Result =:= ok))