Change perlgpl.pod to GPL 1 to match README

[perl5.git] / pod / perl5100delta.pod

diff --git a/pod/perl5100delta.pod b/pod/perl5100delta.pod
index 7f6032f..e93c316 100644 (file)
--- a/pod/perl5100delta.pod
+++ b/pod/perl5100delta.pod
@@ -103,7 +103,7 @@ nested balanced angle brackets:
        <                   #   match an opening angle bracket
        (?:                 #   match one of:
            (?>             #     don't backtrack over the inside of this group
        <                   #   match an opening angle bracket
        (?:                 #   match one of:
            (?>             #     don't backtrack over the inside of this group

-               [^<>]+      #       one or more non angle brackets
+               [^<>]+      #       one or more non angle brackets

            )               #     end non backtracking group
        |                   #     ... or ...
            (?1)            #     recurse to bracket 1 and try it again
            )               #     end non backtracking group
        |                   #     ... or ...
            (?1)            #     recurse to bracket 1 and try it again


@@ -313,7 +313,7 @@ To use state variables, one needs to enable them by using
     use feature 'state';
 
 or by using the C<-E> command-line switch in one-liners.
     use feature 'state';
 
 or by using the C<-E> command-line switch in one-liners.

-See L<perlsub/"Persistent variables via state()">.
+See L<perlsub/"Persistent Private Variables">.

 
 =head2 Stacked filetest operators
 
 
 =head2 Stacked filetest operators
 


@@ -396,7 +396,7 @@ details.
 
 This variable gives the native status returned by the last pipe close,
 backtick command, successful call to wait() or waitpid(), or from the
 
 This variable gives the native status returned by the last pipe close,
 backtick command, successful call to wait() or waitpid(), or from the

-system() operator. See L<perlrun> for details. (Contributed by Gisle Aas.)
+system() operator. See L<perlvar> for details. (Contributed by Gisle Aas.)

 
 =item C<${^RE_TRIE_MAXBUF}>
 
 
 =item C<${^RE_TRIE_MAXBUF}>
 


@@ -440,7 +440,7 @@ with it. (Larry Wall, Nicholas Clark)
 =head2 kill() on Windows
 
 On Windows platforms, C<kill(-9, $pid)> now kills a process tree.
 =head2 kill() on Windows
 
 On Windows platforms, C<kill(-9, $pid)> now kills a process tree.

-(On UNIX, this delivers the signal to all processes in the same process
+(On Unix, this delivers the signal to all processes in the same process

 group.)
 
 =head1 Incompatible Changes
 group.)
 
 =head1 Incompatible Changes


@@ -625,6 +625,27 @@ Previously, the exception would not occur until Perl attempted to make
 use of the recursive inheritance while resolving a method or doing a
 C<$foo-E<gt>isa($bar)> lookup.
 
 use of the recursive inheritance while resolving a method or doing a
 C<$foo-E<gt>isa($bar)> lookup.
 

+=head2 warnings::enabled and warnings::warnif changed to favor users of modules
+
+The behaviour in 5.10.x favors the person using the module;
+The behaviour in 5.8.x favors the module writer;
+
+Assume the following code:
+
+  main calls Foo::Bar::baz()
+  Foo::Bar inherits from Foo::Base
+  Foo::Bar::baz() calls Foo::Base::_bazbaz()
+  Foo::Base::_bazbaz() calls: warnings::warnif('substr', 'some warning 
+message');
+
+On 5.8.x, the code warns when Foo::Bar contains C<use warnings;>
+It does not matter if Foo::Base or main have warnings enabled
+to disable the warning one has to modify Foo::Bar.
+
+On 5.10.0 and newer, the code warns when main contains C<use warnings;>
+It does not matter if Foo::Base or Foo::Bar have warnings enabled
+to disable the warning one has to modify main.
+

 =head1 Modules and Pragmata
 
 =head2 Upgrading individual core modules
 =head1 Modules and Pragmata
 
 =head2 Upgrading individual core modules


@@ -1030,7 +1051,7 @@ their system dependent constants - as a result C<use POSIX;> now takes about
 
 The new compilation flag C<PERL_DONT_CREATE_GVSV>, introduced as an option
 in perl 5.8.8, is turned on by default in perl 5.9.3. It prevents perl
 
 The new compilation flag C<PERL_DONT_CREATE_GVSV>, introduced as an option
 in perl 5.8.8, is turned on by default in perl 5.9.3. It prevents perl

-from creating an empty scalar with every new typeglob. See L<perl588delta>
+from creating an empty scalar with every new typeglob. See L<perl589delta>

 for details.
 
 =head2 Weak references are cheaper
 for details.
 
 =head2 Weak references are cheaper


@@ -1468,7 +1489,7 @@ to reflect this.)
 
 =head2 Elimination of SVt_PVBM
 
 
 =head2 Elimination of SVt_PVBM
 

-Related to this, the internal type C<SVt_PVBM> has been been removed. This
+Related to this, the internal type C<SVt_PVBM> has been removed. This

 dedicated type of C<SV> was used by the C<index> operator and parts of the
 regexp engine to facilitate fast Boyer-Moore matches. Its use internally has
 been replaced by C<SV>s of type C<SVt_PVGV>.
 dedicated type of C<SV> was used by the C<index> operator and parts of the
 regexp engine to facilitate fast Boyer-Moore matches. Its use internally has
 been replaced by C<SV>s of type C<SVt_PVGV>.