| perl5121delta - what is new for perl v5.12.1 |
perl5121delta - what is new for perl v5.12.1
This document describes differences between the 5.12.0 release and the 5.12.1 release.
If you are upgrading from an earlier release such as 5.10.1, first read the perl5120delta manpage, which describes differences between 5.10.1 and 5.12.0.
There are no changes intentionally incompatible with 5.12.0. If any incompatibilities with 5.12.0 exist, they are bugs. Please report them.
Other than the bug fixes listed below, there should be no user-visible changes to the core language in this release.
is_strict and is_lax from the version manpage.
These were being exported with a wrapper that treated them as method calls, which caused them to fail. They are just functions, are documented as such, and should never be subclassed, so this patch just exports them directly as functions without the wrapper.
reval() and rdo().
:= to perldiag.pod
We removed a false claim in the perlunitut manpage that all text strings are Unicode strings in Perl.
We updated the Github mirror link in the perlrepository manpage to mirrors/perl, not github/perl
We fixed a minor error in perl5114delta.pod.
We replaced a mention of the now-obsolete Switch.pm with given/when.
We improved documentation about $sitelibexp/sitecustomize.pl in the perlrun manpage.
We corrected perlmodlib.pod which had unintentionally omitted a number of modules.
We updated the documentation for 'require' in perlfunc.pod relating to putting Perl code in @INC.
We reinstated some erroneously-removed documentation about quotemeta in the perlfunc manpage.
We fixed an a2p example in perlutil.pod.
We filled in a blank in perlport.pod with the release date of Perl 5.12.
We fixed broken links in a number of perldelta files.
The documentation for Carp.pm incorrectly stated that the $Carp::Verbose
variable makes cluck generate stack backtraces.
We fixed a number of typos in the Pod::Functions manpage
We improved documentation of case-changing functions in perlfunc.pod
We corrected perlgpl.pod to contain the correct version of the GNU
General Public License.
sleep() time on Win32 may be rounded down to multiple of
the clock tick interval.
Term::ReadLine::Gnu is installed.
See also: http://rt.perl.org/rt3/Public/Bug/Display.html
When deparsing a nextstate op that has both a change of package (relative to the previous nextstate) and a label, the package declaration is now emitted first, because it is syntactically impermissible for a label to prefix a package declaration. XSUB.h now correctly redefines fgets under PERL_IMPLICIT_SYSSee also: http://rt.cpan.org/Public/Bug/Display.html
utf8::is_utf8 now respects GMAGIC (e.g. $1) XS code usingfputc() or fputs(): on Windows could cause an error
due to their arguments being swapped.
See also: http://rt.perl.org/rt3/Public/Bug/Display.html
We fixed a small bug inlex_stuff_pvn() that caused spurious syntax errors
in an obscure situation. It happened when stuffing was performed on the
last line of a file and the line ended with a statement that lacked a
terminating semicolon.
See also: http://rt.perl.org/rt3/Public/Bug/Display.html
We fixed a bug that could cause \N{} constructs followed by a single . to be parsed incorrectly.See also: http://rt.perl.org/rt3/Public/Bug/Display.html
We fixed a bug that causedwhen(scalar) without an argument not to be
treated as a syntax error.
See also: http://rt.perl.org/rt3/Public/Bug/Display.html
We fixed a regression in the handling of labels immediately before string evals that was introduced in Perl 5.12.0. We fixed a regression in case-insensitive matching of folded characters in regular expressions introduced in Perl 5.10.1.
The changes required work around AIX 4.2s' lack of support for IPv6,
and limited support for POSIX sigaction().
DCL symbol length was limited to 1K up until about seven years or so ago, but there was no particularly deep reason to prevent those older systems from configuring and building Perl.
We fixed the previously-broken-Uuseperlio build on VMS.
We were checking a variable that doesn't exist in the non-default case of disabling perlio. Now we only look at it when it exists.
We fixed the -Uuseperlio command-line option in configure.com.Formerly it only worked if you went through all the questions interactively and explicitly answered no.
List::Util::first misbehaves in the presence of a lexical $_
(typically introduced by my $_ or implicitly by given). The variable
which gets set for each iteration is the package variable $_, not the
lexical $_.
A similar issue may occur in other modules that provide functions which take a block as their first argument, like
foo { ... $_ ...} list
See also: http://rt.perl.org/rt3/Public/Bug/Display.html
Module::Load::Conditional and version have an unfortunate
interaction which can cause CPANPLUS to crash when it encounters
an unparseable version string. Upgrading to CPANPLUS 0.9004 or
Module::Load::Conditional 0.38 from CPAN will resolve this issue.
Perl 5.12.1 represents approximately four weeks of development since Perl 5.12.0 and contains approximately 4,000 lines of changes across 142 files from 28 authors.
Perl continues to flourish into its third decade thanks to a vibrant community of users and developers. The following people are known to have contributed the improvements that became Perl 5.12.1:
Ævar Arnfjörð Bjarmason, Chris Williams, chromatic, Craig A. Berry, David Golden, Father Chrysostomos, Florian Ragwitz, Frank Wiegand, Gene Sullivan, Goro Fuji, H.Merijn Brand, James E Keenan, Jan Dubois, Jesse Vincent, Josh ben Jore, Karl Williamson, Leon Brocard, Michael Schwern, Nga Tang Chan, Nicholas Clark, Niko Tyni, Philippe Bruhat, Rafael Garcia-Suarez, Ricardo Signes, Steffen Mueller, Todd Rinaldo, Vincent Pit and Zefram.
If you find what you think is a bug, you might check the articles recently posted to the comp.lang.perl.misc newsgroup and the perl bug database at http://rt.perl.org/perlbug/ . There may also be information at http://www.perl.org/ , the Perl Home Page.
If you believe you have an unreported bug, please run the perlbug
program included with your release. Be sure to trim your bug down
to a tiny but sufficient test case. Your bug report, along with the
output of perl -V, will be sent off to perlbug@perl.org to be
analysed by the Perl porting team.
If the bug you are reporting has security implications, which make it inappropriate to send to a publicly archived mailing list, then please send it to perl5-security-report@perl.org. This points to a closed subscription unarchived mailing list, which includes all the core committers, who will be able to help assess the impact of issues, figure out a resolution, and help co-ordinate the release of patches to mitigate or fix the problem across all platforms on which Perl is supported. Please only use this address for security issues in the Perl core, not for modules independently distributed on CPAN.
The Changes file for an explanation of how to view exhaustive details on what changed.
The INSTALL file for how to build Perl.
The README file for general stuff.
The Artistic and Copying files for copyright information.
| perl5121delta - what is new for perl v5.12.1 |