used as an lvalue, which is pretty strange. Perhaps you forgot to
dereference it first. See L<perlfunc/substr>.
-=item Bad arg length for %s, is %d, should be %s
+=item Attribute "locked" is deprecated
+
+(D deprecated) You have used the attributes pragam to modify the "locked"
+attribute on a code reference. The :locked attribute is obsolete, has had no
+effect since 5005 threads were removed, and will be removed in the next major
+release of Perl 5.
+
+=item Attribute "unique" is deprecated
+
+(D deprecated) You have used the attributes pragam to modify the "unique"
+attribute on an array, hash or scalar reference. The :unique attribute has
+had no effect since Perl 5.8.8, and will be removed in the next major
+release of Perl 5.
+
+=item Bad arg length for %s, is %d, should be %d
(F) You passed a buffer of the wrong size to one of msgctl(), semctl()
or shmctl(). In C parlance, the correct sizes are, respectively,
situation typically indicates that the parent program under which Perl
may be running (e.g. cron) is being very careless.
+=item Can't kill a non-numeric process ID
+
+(F) Process identifiers must be (signed) integers. It is a fatal error to
+attempt to kill() an undefined, empty-string or otherwise non-numeric
+process identifier.
+
=item Can't "last" outside a loop block
(F) A "last" statement was executed to break out of the current block,
(P) An error peculiar to VMS. Perl thought stdin was a pipe, and tried
to reopen it to accept binary data. Alas, it failed.
-=item Can't resolve method `%s' overloading `%s' in package `%s'
+=item Can't resolve method "%s" overloading "%s" in package "%s"
(F|P) Error resolving overloading specified by a method name (as opposed
to a subroutine reference): no such method callable via the package. If
For example you cannot force little-endianness on a type that
is inside a big-endian group.
+=item Can't use keyword '%s' as a label
+
+(F) You attempted to use a reserved keyword, such as C<print> or C<BEGIN>,
+as a statement label. This is disallowed since Perl 5.11.0.
+
=item Can't use "my %s" in sort comparison
(F) The global variables $a and $b are reserved for sort comparisons.
infinite recursion, unless you're writing strange benchmark programs, in
which case it indicates something else.
+This threshold can be changed from 100, by recompiling the F<perl> binary,
+setting the C pre-processor macro C<PERL_SUB_DEPTH_WARN> to the desired value.
+
=item defined(@array) is deprecated
(D deprecated) defined() is not usually useful on arrays because it
(F) The C<exec> function is not implemented in MacPerl. See L<perlport>.
-=item Execution of %s aborted due to compilation errors
+=item Execution of %s aborted due to compilation errors.
(F) The final summary message when a Perl compilation fails.
supposed to follow something: a template character or a ()-group.
See L<perlfunc/pack>.
-=item %s had compilation errors
+=item %s had compilation errors.
(F) The final summary message when a C<perl -c> fails.
(W digit) You may have tried to use an 8 or 9 in an octal number.
Interpretation of the octal number stopped before the 8 or 9.
-=item Illegal switch in PERL5OPT: %s
+=item Illegal switch in PERL5OPT: -%c
(X) The PERL5OPT environment variable may only be used to set the
following switches: B<-[CDIMUdmtw]>.
(W unopened) You tried ioctl() on a filehandle that was never opened.
Check you control flow and number of arguments.
-=item IO layers (like "%s") unavailable
+=item IO layers (like '%s') unavailable
(F) Your Perl has not been configured to have PerlIO, and therefore
you cannot use IO layers. To have PerlIO Perl must be configured
=item $* is no longer supported
(S deprecated, syntax) The special variable C<$*>, deprecated in older perls, has
-been removed as of 5.9.0 and is no longer supported. You should use the
-C<//m> and C<//s> regexp modifiers instead.
+been removed as of 5.9.0 and is no longer supported. In previous versions of perl the use of
+C<$*> enabled or disabled multi-line matching within a string.
+
+Instead of using C<$*> you should use the C</m> (and maybe C</s>) regexp
+modifiers. (In older versions: when C<$*> was set to a true value then all regular
+expressions behaved as if they were written using C</m>.)
=item $# is no longer supported
(F) You tried to unpack something that didn't comply with UTF-8 encoding
rules and perl was unable to guess how to make more progress.
-=item Maximal count of pending signals (%s) exceeded
+=item Maximal count of pending signals (%d) exceeded
-(F) Perl aborted due to a too important number of signals pending. This
+(F) Perl aborted due to a too high number of signals pending. This
usually indicates that your operating system tried to deliver signals
too fast (with a very high priority), starving the perl process from
resources it would need to reach a point where it can process signals
=item Missing right brace on %s
-(F) Missing right brace in C<\p{...}> or C<\P{...}>.
+(F) Missing right brace in C<\x{...}>, C<\p{...}> or C<\P{...}>.
=item Missing right curly or square bracket
you omitted the name of the module. Consult L<perlrun> for full details
about C<-M> and C<-m>.
-=item More than one argument to open
+=item More than one argument to '%s' open
(F) The C<open> function has been asked to open multiple files. This
can happen if you are trying to open a pipe to a command that takes a
followed by whitespace and the word 'bar' on the next line then you can use
C<m/$(?)\/> (for example: C<m/foo$(?)\s+bar/>).
-=item pragma "attrs" is deprecated, use "sub NAME : ATTRS" instead
-
-(D deprecated) You have written something like this:
-
- sub doit
- {
- use attrs qw(locked);
- }
-
-You should use the new declaration syntax instead.
-
- sub doit : locked
- {
- ...
-
-The C<use attrs> pragma is now obsolete, and is only provided for
-backward-compatibility. See L<perlsub/"Subroutine Attributes">.
-
=item Precedence problem: open %s should be open(%s)
(S precedence) The old irregular construct
(W unopened) You tried to use the stat() function on a filehandle that
was either never opened or has since been closed.
-=item Stub found while resolving method "%s" overloading "%s"
+=item Stub found while resolving method "%s" overloading "%s" in package "%s"
(P) Overloading resolution over @ISA tree may be broken by importation
stubs. Stubs should never be implicitly created, but explicit calls to
=item "-T" is on the #! line, it must also be used on the command line
(X) The #! line (or local equivalent) in a Perl script contains the
-B<-T> option, but Perl was not invoked with B<-T> in its command line.
+B<-T> option (or the B<-t> option), but Perl was not invoked with B<-T> in its command line.
This is an error because, by the time Perl discovers a B<-T> in a
script, it's too late to properly taint everything from the environment.
So Perl gives up.
If the Perl script is being executed as a command using the #!
mechanism (or its local equivalent), this error can usually be fixed by
-editing the #! line so that the B<-T> option is a part of Perl's first
-argument: e.g. change C<perl -n -T> to C<perl -T -n>.
+editing the #! line so that the B<-%c> option is a part of Perl's first
+argument: e.g. change C<perl -n -%c> to C<perl -%c -n>.
If the Perl script is being executed as C<perl scriptname>, then the
-B<-T> option must appear on the command line: C<perl -T scriptname>.
+B<-%c> option must appear on the command line: C<perl -%c scriptname>.
=item To%s: illegal mapping '%s'
=item Too late for "-%s" option
(X) The #! line (or local equivalent) in a Perl script contains the
-B<-M>, B<-m> or B<-C> option. This is an error because those options
-are not intended for use inside scripts. Use the C<use> pragma instead.
+B<-M>, B<-m> or B<-C> option.
+
+In the case of B<-M> and B<-m>, this is an error because those options are
+not intended for use inside scripts. Use the C<use> pragma instead.
+
+The B<-C> option only works if it is specified on the command line as well
+(with the same sequence of letters or numbers following). Either specify
+this option on the command line, or, if your system supports it, make your
+script executable and run it directly instead of passing it to perl.
=item Too late to run %s block
somehow, or insert an underbar into it. You might also declare it as a
subroutine.
-=item Unrecognized character %s in column %d
+=item Unrecognized character %s; marked by <-- HERE after %s near column %d
(F) The Perl parser has no idea what to do with the specified character
-in your Perl script (or eval) at the specified column. Perhaps you tried
+in your Perl script (or eval) near the specified column. Perhaps you tried
to run a compressed script, a binary program, or a directory as a Perl program.
=item Unrecognized escape \\%c in character class passed through in regex; marked by <-- HERE in m/%s/
operator. Since C<split> always tries to match the pattern
repeatedly, the C</g> has no effect.
-=item Use of implicit split to @_ is deprecated
-
-(D deprecated, W syntax) It makes a lot of work for the compiler when you
-clobber a subroutine's argument list, so it's better if you assign the results
-of a split() explicitly to an array (or list).
-
=item Use of inherited AUTOLOAD for non-method %s() is deprecated
(D deprecated) As an (ahem) accidental feature, C<AUTOLOAD> subroutines
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