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.
with an assignment operator, which implies modifying the value itself.
Perhaps you need to copy the value to a temporary, and repeat that.
+=item Character following "\\c" must be ASCII
+
+(F) In C<\cI<X>>, I<X> must be an ASCII character.
+
=item Character in 'C' format wrapped in pack
(W pack) You said
you have also specified an explicit size for the string. See
L<perlfunc/pack>.
+=item \\c%c" more clearly written simply as "%c
+
+(D deprecated) The C<\cI<X>> construct is intended to be a way to specify
+non-printable characters. You used it for a printable one, which is better
+written as simply itself.
+
=item Deep recursion on subroutine "%s"
(W recursion) This subroutine has called itself (directly or indirectly)
long for Perl to handle. You have to be seriously twisted to write code
that triggers this error.
+=item Deprecated character in \\N{...}; marked by <-- HERE in \\N{%s<-- HERE %s
+
+(D deprecated) Just about anything is legal for the C<...> in C<\N{...}>.
+But starting in 5.12, non-reasonable ones that don't look like names are
+deprecated. A reasonable name begins with an alphabetic character and
+continues with any combination of alphanumerics, dashes, spaces, parentheses or
+colons.
+
=item Deprecated use of my() in false conditional
(D deprecated) You used a declaration similar to C<my $x if 0>.
=item (Did you mean &%s instead?)
-(W) You probably referred to an imported subroutine &FOO as $FOO or some
-such.
+(W misc) You probably referred to an imported subroutine &FOO as $FOO or
+some such.
=item (Did you mean "local" instead of "our"?)
See Server error.
+=item Dot after %s literal is deprecated concatenation
+
+(D deprecated, syntax) You had something like 0x123.456 in your code.
+This is currently
+parsed as the hexadecimal number 0x123 concatenated with the decimal
+number 456, not the fraction 0x123 + 0x456/0x1000 -- we only support decimal
+fractions. If you meant it to be a fraction, you'll need to use
+Math::BigFloat's from_hex (or friends). If you meant it to be
+concatenation, just put spaces around the dot to make it clearer. In
+5.14.0, we expect to change this to mean a hex fraction. (Of course,
+everything above applies to octal and binary constants, too.)
+
=item %s does not define %s::VERSION--version check failed
(F) You said something like "use Module 42" but the Module did not
(F) When compiling a regex pattern, an unresolved named character or sequence
was encountered. This can happen in any of several ways that bypass the lexer,
-such as using single-quotish context:
+such as using single-quotish context, or an extra backslash in double quotish:
$re = '\N{SPACE}'; # Wrong!
+ $re = "\\N{SPACE}"; # Wrong!
/$re/;
-Instead, use double-quotes:
+Instead, use double-quotes with a single backslash:
$re = "\N{SPACE}"; # ok
/$re/;
conversion functions. This is only a problem when you're using the
'<' or '>' modifiers in (un)pack templates. See L<perlfunc/pack>.
-=item Perl_pmflag() is deprecated, and will be removed from the XS API
-
-(D deprecated) XS code called the C function C<Perl_pmflag>. This was part of
-Perl's listed public API for extending or embedding the perl interpreter. It has
-now been removed from the public API, and will be removed in a future release,
-hence XS code should be re-written not to use it.
-
=item Perl %s required--this is only version %s, stopped
(F) The module in question uses features of a version of Perl more
use the /g modifier. Currently, /c is meaningful only when /g is
used. (This may change in the future.)
+=item Use of := for an empty attribute list is deprecated
+
+(D deprecated) The construction C<my $x := 42> currently
+parses correctly in perl, being equivalent to C<my $x : = 42>
+(applying an empty attribute list to C<$x>). This useless
+construct is now deprecated, so C<:=> can be reclaimed as a new
+operator in the future.
+
=item Use of freed value in iteration
(F) Perhaps you modified the iterated array within the loop?
=item Variable "%s" is not imported%s
-(F) While "use strict" in effect, you referred to a global variable that
-you apparently thought was imported from another module, because
+(W misc) With "use strict" in effect, you referred to a global variable
+that you apparently thought was imported from another module, because
something else of the same name (usually a subroutine) is exported by
that module. It usually means you put the wrong funny character on the
front of your variable.
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