'can not' should mostly be 'cannot'

bootstrap/lib/stdlib/include/assert.hrl

@@ -140,7 +140,7 @@
 -endif.
 
 %% This is mostly a convenience which gives more detailed reports.
-%% Note: Guard is a guarded pattern, and can not be used for value.
+%% Note: Guard is a guarded pattern, and cannot be used for value.
 -ifdef(NOASSERT).
 -define(assertMatch(Guard, Expr), ok).
 -define(assertMatch(Guard, Expr, Comment), ok).
@@ -289,7 +289,7 @@
         end).
 -endif.
 
-%% Note: Class and Term are patterns, and can not be used for value.
+%% Note: Class and Term are patterns, and cannot be used for value.
 %% Term can be a guarded pattern, but Class cannot.
 -ifdef(NOASSERT).
 -define(assertException(Class, Term, Expr), ok).
@@ -364,7 +364,7 @@
         ?assertException(throw, Term, Expr, Comment)).
 
 %% This is the inverse case of assertException, for convenience.
-%% Note: Class and Term are patterns, and can not be used for value.
+%% Note: Class and Term are patterns, and cannot be used for value.
 %% Both Class and Term can be guarded patterns.
 -ifdef(NOASSERT).
 -define(assertNotException(Class, Term, Expr), ok).

configure.in

@@ -479,7 +479,7 @@ if test -f "erts/doc/CONF_INFO"; then
   fi
   done  
   if test $havexsltproc = "no"; then
-    echo '                 The documentation can not be built.'
+    echo '                 The documentation cannot be built.'
   else
     echo '                 Using fakefop to generate placeholder PDF files.'
   fi

erts/doc/src/notes.xml

@@ -9904,7 +9904,7 @@
 	    you use erlang:halt/2 with an integer first argument and
 	    an option list containing {flush,false} as the second
 	    argument. Note that now is flushing not dependant of the
-	    exit code, and you can not only flush async threads
+	    exit code, and you cannot only flush async threads
 	    operations which we deemed as a strange behaviour anyway.
 	    </p>
 	    <p>Also, erlang:halt/1,2 has gotten a new feature: If the

erts/emulator/beam/big.h

@@ -42,7 +42,7 @@ typedef Uint16   ErtsHalfDigit;
 #undef  BIG_HAVE_DOUBLE_DIGIT
 typedef Uint32   ErtsHalfDigit;
 #else
-#error "can not determine machine size"
+#error "cannot determine machine size"
 #endif
 
 typedef Uint  dsize_t;	 /* Vector size type */

erts/emulator/beam/erl_alloc.types

@@ -30,10 +30,10 @@
 #   name space).
 # * Types, allocators, classes, and descriptions have different name
 #   spaces.
-# * The type, allocator, and class names INVALID are reserved and can
-#   not be used.
+# * The type, allocator, and class names INVALID are reserved and
+#   cannot be used.
 # * The descriptions invalid_allocator, invalid_class, and invalid_type
-#   are reserved and can not be used.
+#   are reserved and cannot be used.
 # * Declarations can be done conditionally by use of a
 #     +if <boolean_variable>
 #

erts/emulator/beam/erl_bif_ddll.c

@@ -829,7 +829,7 @@ BIF_RETTYPE erl_ddll_format_error_int_1(BIF_ALIST_1)
 	    "cannot be loaded/unloaded";
 	break;
     case am_permanent:
-	errstring = "DDLL driver is permanent an can not be unloaded/loaded";
+	errstring = "DDLL driver is permanent an cannot be unloaded/loaded";
 	break;
     case am_not_loaded:
 	errstring = "DDLL driver is not loaded";

erts/emulator/beam/erl_db_tree.c

@@ -3126,7 +3126,7 @@ static int partly_bound_can_match_lesser(Eterm partly_bound_1,
     if (ret)
 	erts_fprintf(stderr," can match lesser than ");
     else
-	erts_fprintf(stderr," can not match lesser than ");
+	erts_fprintf(stderr," cannot match lesser than ");
     erts_fprintf(stderr,"%T\n",partly_bound_2);
 #endif
     return ret;
@@ -3144,7 +3144,7 @@ static int partly_bound_can_match_greater(Eterm partly_bound_1,
     if (ret)
 	erts_fprintf(stderr," can match greater than ");
     else
-	erts_fprintf(stderr," can not match greater than ");
+	erts_fprintf(stderr," cannot match greater than ");
     erts_fprintf(stderr,"%T\n",partly_bound_2);
 #endif
     return ret;

erts/emulator/beam/erl_lock_count.h

@@ -532,7 +532,7 @@ ERTS_GLB_INLINE
 void lcnt_dec_lock_state__(ethr_atomic_t *l_state) {
     ethr_sint_t state = ethr_atomic_dec_read_acqb(l_state);
 
-    /* We can not assume that state is >= -1 here; unlock and unacquire might
+    /* We cannot assume that state is >= -1 here; unlock and unacquire might
      * bring it below -1 and race to increment it back. */
 
     if(state < 0) {

erts/emulator/beam/erl_nif.c

@@ -978,7 +978,7 @@ ERL_NIF_TERM enif_make_copy(ErlNifEnv* dst_env, ERL_NIF_TERM src_term)
     Eterm* hp;
     /*
      * No preserved sharing allowed as long as literals are also preserved.
-     * Process independent environment can not be reached by purge.
+     * Process independent environment cannot be reached by purge.
      */
     sz = size_object(src_term);
     hp = alloc_heap(dst_env, sz);

erts/emulator/beam/utils.c

@@ -1569,7 +1569,7 @@ make_hash2(Eterm term)
  * MUST BE USED AS INPUT FOR THE HASH. Two different terms must always have a
  * chance of hashing different when salted: hash([Salt|A]) vs hash([Salt|B]).
  *
- * This is why we can not use cached hash values for atoms for example.
+ * This is why we cannot use cached hash values for atoms for example.
  *
  */
 

erts/emulator/drivers/common/inet_drv.c

@@ -4390,7 +4390,7 @@ static void desc_close_read(inet_descriptor* desc)
 {
     if (desc->s != INVALID_SOCKET) {
 #ifdef __WIN32__
-	/* This call can not be right???
+	/* This call cannot be right???
 	 * We want to turn off read events but keep any write events.
 	 * But on windows driver_select(...,READ,1) is only used as a
 	 * way to hook into the pollset. sock_select is used to control

erts/emulator/drivers/unix/ttsl_drv.c

@@ -31,7 +31,7 @@
 static int ttysl_init(void);
 static ErlDrvData ttysl_start(ErlDrvPort, char*);
 
-#ifdef HAVE_TERMCAP  /* else make an empty driver that can not be opened */
+#ifdef HAVE_TERMCAP  /* else make an empty driver that cannot be opened */
 
 #ifndef WANT_NONBLOCKING
 #define WANT_NONBLOCKING

erts/emulator/internal_doc/CarrierMigration.md

@@ -203,8 +203,8 @@ limited. We only inspect a limited number of carriers. If none of
 those carriers had a free block large enough to satisfy the allocation
 request, the search will fail. A carrier in the pool can also be BUSY
 if another thread is currently doing block deallocation work on the
-carrier. A BUSY carrier will also be skipped by the search as it can
-not satisfy the request. The pool is lock-free and we do not want to
+carrier. A BUSY carrier will also be skipped by the search as it cannot
+satisfy the request. The pool is lock-free and we do not want to
 block, waiting for the other thread to finish.
 
 ### The bad cluster problem ###

erts/emulator/test/call_trace_SUITE.erl

@@ -1395,7 +1395,7 @@ seq(M, N, R) when M =< N ->
     seq(M, N-1, [N|R]);
 seq(_, _, R) -> R.
 
-%% lists:reverse can not be called since it is traced
+%% lists:reverse cannot be called since it is traced
 reverse(L) ->
     reverse(L, []).
 %%

erts/emulator/test/timer_bif_SUITE.erl

@@ -361,7 +361,7 @@ evil_timers(Config) when is_list(Config) ->
     %%
     %% 1. A timer started with erlang:start_timer(Time, Receiver, Msg),
     %%    where Msg is a composite term, expires, and the receivers main
-    %%    lock *can not* be acquired immediately (typically when the
+    %%    lock *cannot* be acquired immediately (typically when the
     %%    receiver *is* running).
     %%
     %%    The wrap tuple ({timeout, TRef, Msg}) will in this case
@@ -372,7 +372,7 @@ evil_timers(Config) when is_list(Config) ->
     RecvTimeOutMsgs0 = evil_recv_timeouts(200),
     %% 2. A timer started with erlang:start_timer(Time, Receiver, Msg),
     %%    where Msg is an immediate term, expires, and the receivers main
-    %%    lock *can not* be acquired immediately (typically when the
+    %%    lock *cannot* be acquired immediately (typically when the
     %%    receiver *is* running).
     %%
     %%    The wrap tuple will in this case be allocated in a new

erts/include/internal/gcc/ethr_membar.h

@@ -96,7 +96,7 @@
  *          issue an aquire memory barrier and an __atomic
  *          builtin memory acess with the __ATOMIC_RELEASE
  *          memory model must at least issue a release memory
- *          barrier. Otherwise the two can not be paired.
+ *          barrier. Otherwise the two cannot be paired.
  *       4. All __atomic builtins accessing memory using the
  *          __ATOMIC_CONSUME builtin can be used for the same
  *          reason __ATOMIC_ACQUIRE can be used. The ethread

erts/preloaded/src/prim_inet.erl

@@ -1557,7 +1557,7 @@ type_opt_1(O) when is_atom(O) -> undefined.
 
 %% Get. No supplied value.
 type_value(get, undefined)        -> false; % Undefined type
-%% These two clauses can not happen since they are only used
+%% These two clauses cannot happen since they are only used
 %% in record fields - from record fields they must have a
 %% value though it might be 'undefined', so record fields
 %% calls type_value/3, not type_value/2.
@@ -1723,7 +1723,7 @@ type_value_2(_, _)         -> false.
 
 %% Get. No supplied value.
 %%
-%% These two clauses can not happen since they are only used
+%% These two clauses cannot happen since they are only used
 %% in record fields - from record fields they must have a
 %% value though it might be 'undefined', so record fields
 %% calls enc_value/3, not enc_value/2.

erts/test/upgrade_SUITE.erl

@@ -25,7 +25,7 @@
 
 -define(upgr_sname,otp_upgrade).
 
-%% Applications that are excluded from this test because they can not
+%% Applications that are excluded from this test because they cannot
 %% just be started in a new node with out specific configuration.
 -define(start_exclude,
 	[cosEvent,cosEventDomain,cosFileTransfer,cosNotification,

lib/asn1/src/asn1ct_check.erl

@@ -5770,7 +5770,7 @@ format_error({missing_ocft,Component}) ->
 format_error(multiple_uniqs) ->
     "implementation limitation: only one UNIQUE field is allowed in CLASS";
 format_error({namelist_redefinition,Name}) ->
-    io_lib:format("the name '~s' can not be redefined", [Name]);
+    io_lib:format("the name '~s' cannot be redefined", [Name]);
 format_error({param_bad_type, Ref}) ->
     io_lib:format("'~p' is not a parameterized type", [Ref]);
 format_error(param_wrong_number_of_arguments) ->

lib/asn1/test/asn1_SUITE_data/IN-CS-1-Datatypes.asn

@@ -1152,7 +1152,7 @@ FilteringCriteria ::= CHOICE {
 
 --  In case calledAddressValue is specified, the numbers to be filtered are from calledAddressValue
 --  up to and including calledAddressValue + maximumNumberOfCounters-1.
---  The last two digits of calledAddressvalue can not exceed 100-maximumNumberOfCounters.
+--  The last two digits of calledAddressvalue cannot exceed 100-maximumNumberOfCounters.
 FilteringTimeOut ::= CHOICE {
   duration  [0]  Duration,
   stopTime  [1]  DateAndTime

lib/common_test/doc/src/ct_hooks.xml

@@ -368,7 +368,7 @@
           <seealso marker="common_test#Module:end_per_testcase-2"><c>end_per_testcase</c></seealso>
           instead.</p>
 
-        <p>This function can not change the result of the test case by returning skip or fail
+        <p>This function cannot change the result of the test case by returning skip or fail
 	tuples, but it may insert items in <c>Config</c> that can be read in
 	<c>end_per_testcase/2</c> or in <c>post_end_per_testcase/5</c>.</p>
 

lib/common_test/doc/src/notes.xml

@@ -2089,7 +2089,7 @@
 	    ct_netconfc:close_session sometimes returned
 	    {error,closed} because the ssh connection was closed
 	    (from the server side) before the rpc-reply was received
-	    by the client. This is normal and can not be helped. It
+	    by the client. This is normal and cannot be helped. It
 	    has been corrected so the return will be 'ok' in this
 	    case. Other error situations will still give
 	    {error,Reason}.</p>
@@ -2103,7 +2103,7 @@
 	    {error,{process_down,Pid,normal}} because the ssh
 	    connection was closed (from the server side) before the
 	    rpc-reply was received by the client. This is normal and
-	    can not be helped. It has been corrected so the return
+	    cannot be helped. It has been corrected so the return
 	    will be 'ok' in this situation.</p>
           <p>
 	    Own Id: OTP-10570</p>
@@ -2755,8 +2755,8 @@
 	    The info function for <c>init/end_per_suite(Config)</c>
 	    is <c>init/end_per_suite()</c>, and for
 	    <c>init/end_per_group(GroupName,Config)</c> it's
-	    <c>init/end_per_group(GroupName)</c>. Info functions can
-	    not be used with <c>init/end_per_testcase(TestCase,
+	    <c>init/end_per_group(GroupName)</c>. Info functions
+	    cannot be used with <c>init/end_per_testcase(TestCase,
 	    Config)</c>, since these configuration functions execute
 	    on the test case process and will use the same properties
 	    as the test case (i.e. properties set by the test case
@@ -3840,7 +3840,7 @@
             If the Erlang runtime system was started without access
             to an erlang shell (e.g. -noshell), compilation errors
             would cause a crash in the Common Test application.
-            Without access to a shell, Common Test can not prompt the
+            Without access to a shell, Common Test cannot prompt the
             user to choose to continue or abort the test session, but
             must assume that the session should proceed.</p>
           <p>

lib/common_test/src/ct_framework.erl

@@ -1168,7 +1168,7 @@ get_all(Mod, ConfTests) ->
 		case code:which(Mod) of
 		    non_existing ->
 			list_to_atom(atom_to_list(Mod)++
-					 " can not be compiled or loaded");
+					 " cannot be compiled or loaded");
 		    _ ->
 			list_to_atom(atom_to_list(Mod)++":all/0 is missing")
 		end,

lib/common_test/src/ct_release_test.erl

@@ -152,10 +152,10 @@
 %% returned configuration must therefore also be returned from
 %% the calling `init_per_*'.
 %%
-%% If the initialization fails, e.g. if a required release can
-%% not be found, the function returns `{skip,Reason}'. In
+%% If the initialization fails, e.g. if a required release
+%% cannot be found, the function returns `{skip,Reason}'. In
 %% this case the other test support functions in this mudule
-%% can not be used.
+%% cannot be used.
 %%
 %% Example:
 %%
@@ -426,7 +426,7 @@ init_upgrade_test(Level) ->
     case OldRel of
 	false ->
 	    ct:log("Release ~tp is not available."
-		   " Upgrade on '~p' level can not be tested.",
+		   " Upgrade on '~p' level cannot be tested.",
 		   [FromVsn,Level]),
 	    undefined;
 	_ ->

lib/common_test/src/ct_telnet.erl

@@ -1085,7 +1085,7 @@ match_line(Name,Pid,Line,[Pattern|Patterns],FoundPrompt,Term,EO,RetTag) ->
     end;
 match_line(Name,Pid,Line,[],FoundPrompt,Term,EO,match) ->
     match_line(Name,Pid,Line,EO#eo.haltpatterns,FoundPrompt,Term,EO,halt);
-%% print any terminated line that can not be matched
+%% print any terminated line that cannot be matched
 match_line(Name,Pid,Line,[],_FoundPrompt,true,_EO,halt) ->
     log(name_or_pid(Name,Pid),"       ~ts",[Line]),
     nomatch;

lib/common_test/src/test_server_ctrl.erl

@@ -1393,7 +1393,7 @@ temp_nodename([Chr|Base], Acc) ->
 %%
 %% Counts the test cases that are about to run and returns that number.
 %% If there's a conf group in TestSpec with a repeat property, the total number
-%% of cases can not be calculated and NoOfCases = unknown.
+%% of cases cannot be calculated and NoOfCases = unknown.
 count_test_cases(TopCases, SkipCases) when is_list(TopCases) ->
     case collect_all_cases(TopCases, SkipCases) of
 	{error,_Why} = Error ->
@@ -4906,7 +4906,7 @@ collect_files(Dir, Pattern, St, Mode) ->
 fullname_to_mod(Path) when is_list(Path) ->
     %% If this is called with a binary, then we are probably in +fnu
     %% mode and have found a beam file with name encoded as latin1. We
-    %% will let this crash since it can not work to load such a module
+    %% will let this crash since it cannot work to load such a module
     %% anyway. It should be removed or renamed!
     list_to_atom(filename:rootname(filename:basename(Path))).
 

lib/common_test/test/ct_auto_compile_SUITE.erl

@@ -169,7 +169,7 @@ test_events(ac_flag) ->
      {?eh,start_info,{1,1,3}},
      {?eh,tc_start,{ct_framework,error_in_suite}},
      {?eh,tc_done,{ct_framework,error_in_suite,
-       {failed,{error,'bad_SUITE can not be compiled or loaded'}}}},
+       {failed,{error,'bad_SUITE cannot be compiled or loaded'}}}},
      {?eh,tc_start,{dummy_SUITE,init_per_suite}},
      {?eh,tc_done,{dummy_SUITE,init_per_suite,ok}},
      {?eh,test_stats,{1,1,{1,0}}},
@@ -186,7 +186,7 @@ test_events(ac_spec) ->
      {?eh,start_info,{1,1,3}},
      {?eh,tc_start,{ct_framework,error_in_suite}},
      {?eh,tc_done,{ct_framework,error_in_suite,
-       {failed,{error,'bad_SUITE can not be compiled or loaded'}}}},
+       {failed,{error,'bad_SUITE cannot be compiled or loaded'}}}},
      {?eh,tc_start,{dummy_SUITE,init_per_suite}},
      {?eh,tc_done,{dummy_SUITE,init_per_suite,ok}},
      {?eh,test_stats,{1,1,{1,0}}},

lib/common_test/test/ct_netconfc_SUITE_data/netconfc1_SUITE.erl

@@ -205,7 +205,7 @@ hello_required_exists(Config) ->
     SshDir = ?config(ssh_dir,Config),
     {ok,_Client1} = open_configured_success(my_named_connection,SshDir),
 
-    %% Check that same name can not be used twice
+    %% Check that same name cannot be used twice
     {error,{connection_exists,_Client1}} =
 	ct_netconfc:open(my_named_connection,[{user_dir,SshDir}]),
 
@@ -385,7 +385,7 @@ timeout_get(Config) ->
 %% received, the timeout message might already be sent when the timer
 %% is cancelled. This test checks that the timeout message is flushed
 %% from the message queue. If it isn't, the client crashes and the
-%% session can not be closed afterwards.
+%% session cannot be closed afterwards.
 %% Note that we can only hope that the test case triggers the problem
 %% every now and then, as it is very timing dependent...
 flush_timeout_get(Config) ->

lib/common_test/test/test_server_SUITE.erl

@@ -260,7 +260,7 @@ translate_filename(Filename,EncodingOnTestNode) ->
     end.
 
 get_latest_run_dir(Dir) ->
-    %% For the time being, filelib:wildcard can not take a binary
+    %% For the time being, filelib:wildcard cannot take a binary
     %% argument, so we avoid using this here.
     case file:list_dir(Dir) of
 	{ok,Files} ->
@@ -315,7 +315,7 @@ generate_and_run_unicode_test(Config0,Encoding) ->
     DataDir = ?config(data_dir,Config0),
     Suite = create_unicode_test_suite(DataDir,Encoding),
 
-    %% We can not run this test on default node since it must be
+    %% We cannot run this test on default node since it must be
     %% started with correct file name mode (+fnu/+fnl).
     %% OBS: the node are stopped by end_per_testcase/2
     Config1 = lists:keydelete(node,1,Config0),