=over 8
-=item C<(?{code})> and C<(??{ code })>
-
-Introduced in Perl 5.6.0
-
-See also L<perlre>
-
-=item Lvalue subroutines
-
-Introduced in Perl 5.6.0
-
-See also L<perlsub>
-
=item C<our> can now have an experimental optional attribute C<unique>
Introduced in Perl 5.8.0
Deprecated in Perl 5.10.0
-=item Linux abstract Unix domain sockets
-
-Introduced in Perl 5.9.2
-
-See also L<Socket>
+The ticket for this feature is
+L<[perl #119313]|https://rt.perl.org/rt3/Ticket/Display.html?id=119313>.
=item Smart match (C<~~>)
Using this feature triggers warnings in the category
C<experimental::smartmatch>.
+The ticket for this feature is
+L<[perl #119317]|https://rt.perl.org/rt3/Ticket/Display.html?id=119317>.
+
=item Lexical C<$_>
Introduced in Perl 5.10.0
Using this feature triggers warnings in the category
C<experimental::lexical_topic>.
+The ticket for this feature is
+L<[perl #119315]|https://rt.perl.org/rt3/Ticket/Display.html?id=119315>.
+
=item Pluggable keywords
+The ticket for this feature is
+L<[perl #119455]|https://rt.perl.org/rt3/Ticket/Display.html?id=119455>.
+
See L<perlapi/PL_keyword_plugin> for the mechanism.
Introduced in: Perl 5.11.2
Introduced in Perl 5.14.0
+The ticket for this feature is
+L<[perl #119437]|https://rt.perl.org/rt3/Ticket/Display.html?id=119437>.
+
=item Lexical subroutines
Introduced in: Perl 5.18
Using this feature triggers warnings in the category
C<experimental::lexical_subs>.
+The ticket for this feature is
+L<[perl #120085]|https://rt.perl.org/rt3/Ticket/Display.html?id=120085>.
+
=item Regular Expression Set Operations
Introduced in: Perl 5.18
+The ticket for this feature is
+L<[perl #119451]|https://rt.perl.org/rt3/Ticket/Display.html?id=119451>.
+
See also: L<perlrecharclass/Extended Bracketed Character Classes>
Using this feature triggers warnings in the category
C<experimental::regex_sets>.
-=item C<\s> in regexp matches vertical tab
-
-Introduced in Perl 5.18
-
-=item The <:pop> IO pseudolayer
-
-See also L<perlrun>
-
-=item The <:win32> IO pseudolayer
-
-See also L<perlrun>
-
-=item MLDBM
-
-See also L<perldsc>
-
-=item internal functions with M flag
-
-See also L<perlguts>
-
-=item lex_start API
-
-Introduced in Perl 5.13.7
-
-=item internal API for C<%^H>
-
-Introduced in Perl 5.13.7
-
-See also C<cophh_> in L<perlapi>.
-
-=item alloccopstash
-
-Introduced in Perl 5.18.0
-
-=item av_create_and_push
-
-=item av_create_and_unshift_one
-
-=item av_create_and_unshift_one
-
-=item cop_store_label
-
-Introduced in Perl 5.16.0
-
-=item PL_keyword_plugin
-
-=item gv_fetchmethod_*_flags
+=item Subroutine signatures
-Introduced in Perl 5.16.0
+Introduced in Perl 5.20.0
-=item hv_iternext_flags
-
-=item lex_bufutf8
+Using this feature triggers warnings in the category
+C<experimental::signatures>.
-=item lex_discard_to
+The ticket for this feature is
+L<[perl #121481]|https://rt.perl.org/Ticket/Display.html?id=121481>.
-=item lex_grow_linestr
+=item Postfix dereference syntax
-=item lex_next_chunk
+Introduced in Perl 5.20.0
-=item lex_peek_unichar
+Using this feature triggers warnings in the category
+C<experimental::postderef>.
-=item lex_read_space
+The ticket for this feature is
+L<[perl #120162]|https://rt.perl.org:443/rt3/Ticket/Display.html?id=120162>.
-=item lex_read_to
+=item Aliasing via reference
-=item lex_read_unichar
+Introduced in Perl 5.22.0
-=item lex_stuff_pv
+Using this feature triggers warnings in the category
+C<experimental::refaliasing>.
-=item lex_stuff_pvn
+The ticket for this feature is
+L<[perl #122947]|https://rt.perl.org/rt3/Ticket/Display.html?id=122947>.
-=item lex_stuff_pvs
+See also: L<perlref/Assigning to References>
-=item lex_stuff_sv
+=item The "const" attribute
-=item lex_unstuff
+Introduced in Perl 5.22.0
-=item op_scope
+Using this feature triggers warnings in the category
+C<experimental::const_attr>.
-=item op_lvalue
+The ticket for this feature is
+L<[perl #123630]|https://rt.perl.org/rt3/Ticket/Display.html?id=123630>.
-=item parse_fullstmt
+See also: L<perlsub/Constant Functions>
-=item parse_stmtseq
+=item use re 'strict';
-=item PL_parser-E<gt>bufend
+Introduced in Perl 5.22.0
-=item PL_parser-E<gt>bufptr
+Using this feature triggers warnings in the category
+C<experimental::re_strict>.
-=item PL_parser-E<gt>linestart
+See L<re/'strict' mode>
-=item PL_parser-E<gt>linestr
+=item String- and number-specific bitwise operators
-=item Perl_signbit
+Introduced in: Perl 5.22.0
-=item pad_findmy
+See also: L<perlop/Bitwise String Operators>
-=item sv_utf8_decode
+Using this feature triggers warnings in the category
+C<experimental::bitwise>.
-=item sv_utf8_downgrade
+The ticket for this feature is
+L<[perl #123707]|https://rt.perl.org/rt3/Ticket/Display.html?id=123707>.
-=item bytes_from_utf8
+=item The <:win32> IO pseudolayer
-=item bytes_to_utf8
+The ticket for this feature is
+L<[perl #119453]|https://rt.perl.org/rt3/Ticket/Display.html?id=119453>.
-=item utf8_to_bytes
+See also L<perlrun>
=item There is an C<installhtml> target in the Makefile.
-=item Unicode in Perl on EBCDIC
-
-See also: L<perlre/"Special Backtracking Control Verbs">
-
-=item Code expressions, conditional expressions, and independent expressions in regexes
-
-=item gv_try_downgrade
+The ticket for this feature is
+L<[perl #116487]|https://rt.perl.org/rt3/Ticket/Display.html?id=116487>.
-See also L<perlintern>
-
-=item Experimental Support for Sun Studio Compilers for Linux OS
-
-See also L<perllinux>
+=item Unicode in Perl on EBCDIC
=back
Exact version of acceptance unclear, but no later than Perl 5.18.
+=item C<(?{code})> and C<(??{ code })>
+
+Introduced in Perl 5.6.0
+
+Accepted in Perl 5.20.0
+
+See also L<perlre>
+
+=item Linux abstract Unix domain sockets
+
+Introduced in Perl 5.9.2
+
+Accepted before Perl 5.20.0. The Socket library is now primarily maintained
+on CPAN, rather than in the perl core.
+
+See also L<Socket>
+
+=item Lvalue subroutines
+
+Introduced in Perl 5.6.0
+
+Accepted in Perl 5.20.0
+
+See also L<perlsub>
+
=item Backtracking control verbs
C<(*ACCEPT)>
Accepted in Perl 5.20.0
+=item The <:pop> IO pseudolayer
+
+See also L<perlrun>
+
+Accepted in Perl 5.20.0
+
+=item C<\s> in regexp matches vertical tab
+
+Accepted in Perl 5.22.0
+
=back
=head2 Removed features
=back
+=head1 SEE ALSO
+
+For a complete list of features check L<feature>.
+
=head1 AUTHORS
brian d foy C<< <brian.d.foy@gmail.com> >>
https://perl5.git.perl.org / perl5.git / blobdiff