Describe changes to Carp and Carp::Heavy

[p5sagit/p5-mst-13.2.git] / pod / perl5110delta.pod

diff --git a/pod/perl5110delta.pod b/pod/perl5110delta.pod
index e9e9efa..b4c2cdc 100644 (file)
--- a/pod/perl5110delta.pod
+++ b/pod/perl5110delta.pod
@@ -168,6 +168,17 @@ See L</"The C<overloading> pragma"> above.
 
 =back
 
+=head2 Selected Changes to Core Modules
+
+=over 4
+
+L<Carp> now includes all the necessary code to function. Previously, it
+used to be a lightweight placeholder that loaded the actual code from
+C<Carp::Heavy> on demand. C<Carp::Heavy> is now a simple, empty module
+kept for backwards compatibility for programs that used to pre-load it.
+
+=back
+
 =head1 Utility Changes
 
 =head1 Documentation
@@ -185,6 +196,13 @@ See L</"The C<overloading> pragma"> above.
 as documented, and as does C<-I> when specified on the command-line.
 (Renée Bäcker)
 
+=item C<kill> is now fatal when called on non-numeric process identifiers
+
+Previously, an 'undef' process identifier would be interpreted as a request to
+kill process "0", which would terminate the current process group on POSIX
+systems.  Since process identifiers are always integers, killing a non-numeric
+process is now fatal.
+
 =back
 
 =head1 New or Changed Diagnostics