import perldelta from eb83ed8 into release branch

diff --git a/pod/perldelta.pod b/pod/perldelta.pod
index b355569..535604b 100644 (file)
--- a/pod/perldelta.pod
+++ b/pod/perldelta.pod
@@ -1823,6 +1823,16 @@ string (0 is the return), and overlong UTF-8 sequences.
 
 =item *
 
+The returned code point from the function C<utf8n_to_uvuni()>
+when the input is malformed UTF-8, malformations are allowed, and
+C<utf8> warnings are off is now the Unicode REPLACEMENT CHARACTER
+whenever the malformation is such that no well-defined code point can be
+computed.  Previously the returned value was essentially garbage.  The
+only malformations that have well-defined values are a zero-length
+string (0 is the return), and overlong UTF-8 sequences.
+
+=item *
+
 Padlists are now marked C<AvREAL>; i.e., reference-counted.  They have
 always been reference-counted, but were not marked real, because F<pad.c>
 did its own clean-up, instead of using the usual clean-up code in F<sv.c>.