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 %d
+=item Bad arg length for %s, is %d, should be %s
(F) You passed a buffer of the wrong size to one of msgctl(), semctl()
or shmctl(). In C parlance, the correct sizes are, respectively,
=item Can't find %s character property "%s"
(F) You used C<\p{}> or C<\P{}> but the character property by that name
-could not be find. Maybe you mispelled the name of the property
+could not be found. Maybe you misspelled the name of the property
(remember that the names of character properties consist only of
alphanumeric characters), or maybe you forgot the C<Is> or C<In> prefix?
traditional to end such a file with a "1;", though any true value would
do. See L<perlfunc/require>.
-=item (Did you mean 0%d instead?)
-
-(W octmode) The mode argument to chmod, mkdir, and umask is usually
-given in octal (octal constants start with a 0, as in C). Did you really
-mean to use a non-octal number?
-
=item (Did you mean &%s instead?)
(W) You probably referred to an imported subroutine &FOO as $FOO or some
"elseif" for the class returned by the following block. This is
unlikely to be what you want.
+=item Empty %s
+
+(F) Empty C<\p{}> or C<\P{}>.
+
=item entering effective %s failed
(F) While under the C<use filetest> pragma, switching the real and
The <-- HERE shows in the regular expression about where the problem was
discovered.
-
=item Internal inconsistency in tracking vforks
(S) A warning peculiar to VMS. Perl keeps track of the number of times
<-- HERE shows in the regular expression about where the problem was
discovered.
-
=item %s (...) interpreted as function
(W syntax) You've run afoul of the rule that says that any list operator
prefix1;prefix2
or
-
prefix1 prefix2
with nonempty prefix1 and prefix2. If C<prefix1> is indeed a prefix of
shows in the regular expression about where the problem was discovered.
See L<perlre>.
+=item "%s" may clash with future reserved word
+
+(W) This warning may be due to running a perl5 script through a perl4
+interpreter, especially if the word that is being warned about is
+"use" or "my".
+
=item % may only be used in unpack
(F) You can't pack a string by supplying a checksum, because the
(S) This is an educated guess made in conjunction with the message "%s
found where operator expected". Often the missing operator is a comma.
+=item Missing right brace on %s
+
+(F) Missing right brace in C<\p{...}> or C<\P{...}>.
+
=item Missing right curly or square bracket
(F) The lexer counted more opening curly or square brackets than closing
not recognized. Say C<kill -l> in your shell to see the valid signal
names on your system.
-=item Non-octal literal mode (%d) specified
-
-(W octmode) The mode argument to chmod, mkdir, and umask is usually
-given in octal (octal constants start with a 0, as in C). Did you really
-mean to use a non-octal number?
-
=item Not a CODE reference
(F) Perl was trying to evaluate a reference to a code value (that is, a
=item Number too long
(F) Perl limits the representation of decimal numbers in programs to
-about about 250 characters. You've exceeded that length. Future
+about 250 characters. You've exceeded that length. Future
versions of Perl are likely to eliminate this arbitrary limitation. In
the meantime, try using scientific notation (e.g. "1e6" instead of
"1_000_000").
some day, even though it doesn't yet. Perhaps you should use a
mixed-case attribute name, instead. See L<attributes>.
+=item Package '%s' not found (did you use the incorrect case?)
+
+(W misc) You included a package file via C<use>, but the package name
+did not match the file name. It's possible that you misspelled the
+package name.
+
=item page overflow
(W io) A single call to write() produced more lines than can fit on a
end of the buffer just in case. This sentinel byte got clobbered, and
Perl assumes that memory is now corrupted. See L<perlfunc/ioctl>.
+=item Possible unintended interpolation of %s in string
+
+(W ambiguous) You said something like `@foo' in a double-quoted string
+but there was no array C<@foo> in scope at the time. If you wanted a
+literal @foo, then write it as \@foo; otherwise find out what happened
+to the array you apparently lost track of.
+
=item Possible Y2K bug: %s
(W y2k) You are concatenating the number 19 with another number, which
of Perl. Check the #! line, or manually feed your script into Perl
yourself.
+=item syntax error in file %s at line %d, next 2 tokens "%s"
+
+(F) This error is likely to occur if you run a perl5 script through
+a perl4 interpreter, especially if the next 2 tokens are "use strict"
+or "my $var" or "our $var".
+
=item %s syntax OK
(F) The final summary message when a C<perl -c> succeeds.
(D deprecated) You are now encouraged to use the explicitly quoted form
if you wish to use an empty line as the terminator of the here-document.
+=item Use of *glob{FILEHANDLE} is deprecated
+
+(D deprecated) You are now encouraged to use the shorter *glob{IO} form
+to access the filehandle slot within a typeglob.
+
+=item Use of chdir('') or chdir(undef) as chdir() deprecated
+
+(D deprecated) chdir() with no arguments is documented to change to
+$ENV{HOME} or $ENV{LOGDIR}. chdir(undef) and chdir('') share this
+behavior, but that has been deprecated. In future versions they
+will simply fail.
+
+Be careful to check that what you pass to chdir() is defined and not
+blank, else you might find yourself in your home directory.
+
=item Use of implicit split to @_ is deprecated
(D deprecated) It makes a lot of work for the compiler when you clobber
its equivalent C<BEGIN> block found an internal inconsistency with
the version number.
+=item v-string in use/require is non-portable
+
+(W) The use of v-strings is non-portable to older, pre-5.6, Perls.
+If you want your scripts to be backward portable, use the floating
+point version number: for example, instead of C<use 5.6.1> say
+C<use 5.006_001>. This of course won't help: the older Perls
+won't suddenly start understanding newer features, but at least
+they will show a sensible error message indicating the required
+minimum version.
+
=item Warning: something's wrong
(W) You passed warn() an empty string (the equivalent of C<warn "">) or
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