In perl.git, the branch blead has been updated <https://perl5.git.perl.org/perl.git/commitdiff/03079deeca756afb866140c9386116a4034fb863?hp=8e9b3e15d4aa3202b72e5c045633ad3a94406ccb>
- Log ----------------------------------------------------------------- commit 03079deeca756afb866140c9386116a4034fb863 Author: Father Chrysostomos <spr...@cpan.org> Date: Fri Mar 2 10:30:51 2018 -0800 Remove 5.27.9 entries from 5.27.10’s delta ----------------------------------------------------------------------- Summary of changes: pod/perldelta.pod | 227 ++++-------------------------------------------------- 1 file changed, 15 insertions(+), 212 deletions(-) diff --git a/pod/perldelta.pod b/pod/perldelta.pod index 22e5722b75..bada4f36a9 100644 --- a/pod/perldelta.pod +++ b/pod/perldelta.pod @@ -21,59 +21,9 @@ XXX Any important notices here =head1 Core Enhancements -=head2 New read-only predefined variable C<${^SAFE_LOCALES}> +=head2 XXX -This variable is 1 if the Perl interpreter is operating in an -environment where it is safe to use and change locales (see -L<perllocale>.) This variable is true when the perl is -unthreaded, or compiled in a platform that supports thread-safe locale -operation (see next item). - -=head2 Locales are now thread-safe on systems that support them - -These systems include Windows starting with Visual Studio 2005, and in -POSIX 2008 systems. - -The implication is that you are now free to use locales and changes them -in a threaded environment. Your changes affect only your thread. -See L<perllocale/Multi-threaded operation> - -=head2 Script runs now are specified with a different syntax - -This isn't really an enhancement, but is being put in this category -because it changes an enhancement from 5.27.8, and there is a new -abbreviated form for it. The syntax is now either of: - - (*script_run:...) - (*sr:...) - -Previously a C<"+"> was used instead of the C<"*">. - -=head2 There is a new form for script runs which combines with -C<(?E<gt>...)> (or C<*atomic:...)>) - -C<(*asr:...> is an easier way to write C<(*sr:(?E<gt>...))>, -which is expected to be a commonly used idiom. -C<(*atomic_script_run:...> is also available. See -L<perlre/Script Runs>. - -=head2 Experimentally, there are now alphabetic synonyms for some -regular expression assertions - -If you find it difficult to remember how to write certain of the pattern -assertions, there are now alphabetic synonyms. - - CURRENT NEW SYNONYMS - ------ ------------ - (?=...) (*pla:...) or (*positive_lookahead:...) - (?!...) (*nla:...) or (*negative_lookahead:...) - (?<=...) (*plb:...) or (*positive_lookbehind:...) - (?<!...) (*nlb:...) or (*negative_lookbehind:...) - (?>...) (*atomic:...) - -These are considered experimental, so using any of these will raise -(unless turned off) a warning in the C<experimental::alpha_assertions> -category. +XXX =head1 Security @@ -132,15 +82,7 @@ as an updated module in the L</Modules and Pragmata> section. =item * -Various optimizations have been applied to matching regular expression -patterns, so under the right circumstances, significant performance -gains may be noticed. But in an application with many varied patterns, -little overall improvement likely will be seen. - -=item * - -Other optimizations have been applied to UTF-8 handling, but these are -not typically a major factor in most applications. +XXX =back @@ -176,103 +118,10 @@ XXX Remove this section if not applicable. =item * -L<bignum> has been upgraded from version 0.47 to 0.49. - -=item * - -L<Carp> has been upgraded from version 1.45 to 1.46. - -=item * - -L<Devel::PPPort> has been upgraded from version 3.38 to 3.39. - -=item * - -L<Encode> has been upgraded from version 2.94 to 2.96. - -=item * - -L<encoding> has been upgraded from version 2.21 to 2.22. - -=item * - -L<Errno> has been upgraded from version 1.28 to 1.29. - -=item * - -L<ExtUtils::MakeMaker> has been upgraded from version 7.30 to 7.32. - -=item * - -L<ExtUtils::ParseXS> has been upgraded from version 3.36 to 3.38. - -=item * - -L<ExtUtils::Typemaps> has been upgraded from version 3.37 to 3.38. - -=item * - -L<File::Spec> has been upgraded from version 3.72 to 3.74. - -=item * - -L<if> has been upgraded from version 0.0607 to 0.0608. - -=item * - -L<IPC::Cmd> has been upgraded from version 0.98 to 1.00. - -=item * - -L<Module::CoreList> has been upgraded from version 5.20180120 to 5.20180220. - -=item * - -L<mro> has been upgraded from version 1.21 to 1.22. - -=item * - -L<PerlIO::encoding> has been upgraded from version 0.25 to 0.26. - -=item * - -L<POSIX> has been upgraded from version 1.81 to 1.82. - -=item * - -L<Storable> has been upgraded from version 2.65 to 3.06. - -=item * - -L<Test::Simple> has been upgraded from version 1.302120 to 1.302122. - -=item * - -L<threads> has been upgraded from version 2.21 to 2.22. - -=item * - -L<Time::HiRes> has been upgraded from version 1.9752 to 1.9753. - -=item * - -L<warnings> has been upgraded from version 1.40 to 1.41. - -=item * - L<XXX> has been upgraded from version A.xx to B.yy. If there was something important to note about this change, include that here. -=item * - -The new (as of 5.27.8) restriction forbidding use of C<goto> to enter the -argument of a binary or list expression (see L<perldiag/"Can't -E<quot>gotoE<quot> into a binary or list expression">) has been relaxed to -allow entering the I<first> argument of an operator that takes a fixed -number of arguments, since this is a case that will not cause stack -corruption. [perl #132854] - =back =head2 Removed Modules and Pragmata @@ -300,10 +149,6 @@ XXX Description of the purpose of the new file here =head2 Changes to Existing Documentation -We have attempted to update the documentation to reflect the changes -listed in this document. If you find any we have missed, send email -to L<perl...@perl.org|mailto:perl...@perl.org>. - XXX Changes which significantly change existing files in F<pod/> go here. However, any changes to F<pod/perldiag.pod> should go in the L</Diagnostics> section. @@ -350,11 +195,7 @@ XXX L<message|perldiag/"message"> =item * -L<Locale '%s' contains (at least) the following characters which have -non-standard meanings: %s The Perl program will use the standard -meanings|perldiag/"Locale '%s' contains (at least) the following -characters which have non-standard meanings: %s The Perl program will -use the standard meanings">. +XXX =back @@ -366,7 +207,12 @@ XXX Changes (i.e. rewording) of diagnostic messages go here =item * -XXX Describe change here +The new (as of 5.27.8) restriction forbidding use of C<goto> to enter the +argument of a binary or list expression (see L<perldiag/"Can't +E<quot>gotoE<quot> into a binary or list expression">) has been relaxed to +allow entering the I<first> argument of an operator that takes a fixed +number of arguments, since this is a case that will not cause stack +corruption. [perl #132854] =back @@ -416,8 +262,7 @@ made: =item * -F<harness> no longer waits for 30 seconds when running -F<t/io/openpid.t>. [perl #121028][perl #132867] +XXX =back @@ -427,11 +272,9 @@ F<t/io/openpid.t>. [perl #121028][perl #132867] =over 4 -=item VMS +=item That Plaftorm -CRTL features can now be set by embedders before invoking Perl by using the -C<decc$feature_set> and C<decc$feature_set_value> functions. Previously any attempt -to set features after image initialization were ignored. +XXX =back @@ -468,32 +311,7 @@ XXX =item * -A new compiler C<#define>, C<dTHX_DEBUGGING>. has been added. This is -useful for XS or C code that only need the thread context because their -debugging statements that get compiled only under C<-DDEBUGGING> need -one. - -=item * - -A new API function L<perlapi/Perl_setlocale> has been added. - -=item * - -L<perlapi/sync_locale> has been revised to return a boolean as to -whether the system was using the global locale or not. - -=item * - -A new kind of magic scalar, called a "nonelem" scalar, has been introduced. -It is stored in an array to denote a nonexistent element, whenever such an -element is accessed in a potential lvalue context. It replaces the -existing "defelem" (deferred element) magic wherever this is possible, -being significantly more efficient. This means that -C<some_sub($sparse_array[$nonelem])> no longer has to create a new magic -defelem scalar each time, as long as the element is within the array. - -It partially fixes the rare bug of deferred elements getting out of synch -with their arrays when the array is shifted or unshifted. [perl #132729] +XXX =back @@ -503,22 +321,7 @@ with their arrays when the array is shifted or unshifted. [perl #132729] =item * -Failures while compiling code within other constructs, such as with -string interpolation and the right part of C<s///e> now cause -compilation to abort earlier. - -Previously compilation could continue in order to report other errors, -but the failed sub-parse could leave partly parsed constructs on the -parser shift-reduce stack, confusing the parser, leading to perl -crashes. [perl #125351] - -=item * - -On threaded perls where the decimal point (radix) character is not a -dot, it has been possible for a race to occur between threads when one -needs to use the real radix character. This has now been fixed by use -of a mutex on systems without thread-safe locales, and the problem just -doesn't come up on those with thread-safe locales. +XXX =back -- Perl5 Master Repository