X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=pod%2Fperldelta.pod;h=a7a2279191255ec10910b560a77ae25e0a02c547;hb=21bad92165270edd85ff697c883b65506d5af626;hp=408b48c3727a5c1e94cd2d9dba23442f3c62a4e4;hpb=16fe6d5906f6eff9da00cb861a7054a440d1f6eb;p=p5sagit%2Fp5-mst-13.2.git diff --git a/pod/perldelta.pod b/pod/perldelta.pod index 408b48c..a7a2279 100644 --- a/pod/perldelta.pod +++ b/pod/perldelta.pod @@ -132,7 +132,7 @@ Perl 5.004 deprecated the interpretation of C<$$1> and similar within interpolated strings to mean C<$$ . "1">, but still allowed it. -In Perl 5.6 and later, C<"$$1"> always means C<"${$1}">. +In Perl 5.6.0 and later, C<"$$1"> always means C<"${$1}">. =item delete(), values() and C<\(%h)> operate on aliases to values, not copies @@ -413,15 +413,18 @@ See INSTALL for complete details. =head2 Unicode and UTF-8 support -Perl can optionally use UTF-8 as its internal representation for character +WARNING: This is an experimental feature. Implementation details are +subject to change. + +Perl now uses UTF-8 as its internal representation for character strings. The C and C pragmas are used to control this support in the current lexical scope. See L, L and L for more information. =head2 Interpreter cloning, threads, and concurrency -WARNING: This is an experimental feature in a pre-alpha state. Use -at your own risk. +WARNING: This is an experimental feature. Implementation details are +subject to change. Perl 5.005_63 introduces the beginnings of support for running multiple interpreters concurrently in different threads. In conjunction with @@ -469,11 +472,10 @@ for details. =head2 Lvalue subroutines -WARNING: This is an experimental feature. +WARNING: This is an experimental feature. Details are subject to change. -change#4081 -[TODO - Ilya Zakharevich , -Tuomas Lukka )] +Subroutines can now return modifiable lvalues. +See L. =head2 "our" declarations @@ -552,9 +554,6 @@ automatically undef-ed. To use this feature, you need the WeakRef package from CPAN, which contains additional documentation. -change#3385, also need perlguts documentation -[TODO - Tuomas Lukka ] - =head2 File globbing implemented internally WARNING: This is currently an experimental feature. Interfaces and @@ -868,24 +867,18 @@ the C<:> is optional.) F and F have been updated to keep the attributes with the stubs they provide. See L. -=head2 Regular expression improvements - -change#2827,2373,2372,2365,1813,1800,4112,4158,4215,4301 -[TODO - Ilya Zakharevich ] - -=head2 Overloading improvements - -change#2150 -[TODO - Ilya Zakharevich ] - =head2 open() with more than two arguments -[TODO - Ilya Zakharevich ] +If open() is passed three arguments instead of two, the second arguments +is used as the mode and the third argument is taken to be the file name. +This is primarily useful for protecting against unintended magic behavior +of the traditional two-argument form. See L. =head2 Support for interpolating named characters -change#4052 -[TODO - Ilya Zakharevich ] +The new C<\N> escape interpolates named characters within strings. +For example, C<"Hi! \N{WHITE SMILING FACE}"> evaluates to a string +with a unicode smiley face at the end. =head2 C and C may be overridden @@ -1102,11 +1095,6 @@ subroutine was not found in the package. Such cases stopped later method lookups from progressing into base packages. This has been corrected. -=head2 Consistent numeric conversions - -change#3378,3318 -[TODO - Ilya Zakharevich ] - =head2 Taint failures under C<-U> When running in unsafe mode, taint violations could sometimes @@ -1167,16 +1155,6 @@ Certain operations in the RHS of assignment statements have been optimized to directly set the lexical variable on the LHS, eliminating redundant copying overheads. -=head2 Faster mechanism to invoke XSUBs - -change#4044,4125 -[TODO - Ilya Zakharevich ] - -=head2 Perl_malloc() improvements - -change#4237 -[TODO - Ilya Zakharevich ] - =head2 Faster subroutine calls Minor changes in how subroutine calls are handled internally @@ -1237,10 +1215,6 @@ This port is still using its own builtin globbing. =back -=head2 OS/2 - -[TODO - Ilya Zakharevich ] - =head2 OS390 (OpenEdition MVS) Support for this EBCDIC platform has not been renewed in this release. @@ -1280,8 +1254,8 @@ patches, testing, and ideas. =head2 Win32 -Site library searches failed to look for ".../site/5.XXX/lib" -if ".../site/5.XXXYY/lib" wasn't found. This has been corrected. +Perl can now emulate fork() with multiple interpreters. This support +must be enabled at build time. See L for detailed information. When given a pathname that consists only of a drivename, such as C, opendir() and stat() now use the current working @@ -1324,8 +1298,6 @@ preserve compatibility with the older syntax, you might want to put a C in your program. For details and compatibility information, see L. -[TODO - GSAR] - =head1 New tests =over 4 @@ -1424,8 +1396,7 @@ See L. =item charnames -change#4052 -[TODO - Ilya Zakharevich ] +This pragma implements the C<\N> string escape. See L. =item Data::Dumper @@ -1511,11 +1482,6 @@ $PERL_VERSION now stands for C<$^V> (a string value) rather than for C<$]> Env now supports accessing environment variables like PATH as array variables. -=item ExtUtils::MakeMaker - -change#4135, also needs docs in module pod -[TODO - Ilya Zakharevich ] - =item Fcntl More Fcntl constants added: F_SETLK64, F_SETLKW64, O_LARGEFILE for @@ -1711,7 +1677,7 @@ Pod::InputObjects defines some input objects needed by Pod::Parser, and for advanced users of Pod::Parser that need more about a command besides its name and text. -As of release 5.6 of Perl, Pod::Parser is now the officially sanctioned +As of release 5.6.0 of Perl, Pod::Parser is now the officially sanctioned "base parser code" recommended for use by all pod2xxx translators. Pod::Text (pod2text) and Pod::Man (pod2man) have already been converted to use Pod::Parser and efforts to convert Pod::HTML (pod2html) are already @@ -1853,8 +1819,6 @@ C is now obsolete, and is only provided for backward-compatibility. It's been replaced by the C syntax. See L and L. -C to enable UTF-8 and Unicode support. - Lexical warnings pragma, C, to control optional warnings. See L. @@ -1867,10 +1831,6 @@ but access(2) knows better. =head1 Utility Changes -=head2 h2ph - -[TODO - Kurt Starsinic ] - =head2 perlcc C now supports the C and Bytecode backends. By default, @@ -1879,11 +1839,6 @@ optimized C backend. Support for non-Unix platforms has been improved. -=head2 h2xs - -change#4232 -[TODO - Ilya Zakharevich ] - =head1 Documentation Changes =over 4