From @ntyni

Reading input with the :utf8 layer can be unsafe, as discussed in
<http​://www.perlmonks.org/?node_id=644786>. Many parts of the
documentation were updated with commit 740d4bb,
follow the suit with perlunicode.pod.

Noticed by Vincent Lefevre in http​://bugs.debian.org/589730

pod/perlunicode.pod | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/pod/perlunicode.pod b/pod/perlunicode.pod
index b9a43c3..4b25c27 100644
--- a/pod/perlunicode.pod
+++ b/pod/perlunicode.pod
@@ -23,10 +23,14 @@ Read L<Unicode Security Considerations|http://www.unicode.org/reports/tr36>.
 
 Perl knows when a filehandle uses Perl's internal Unicode encodings
 (UTF-8, or UTF-EBCDIC if in EBCDIC) if the filehandle is opened with
-the ":utf8" layer.  Other encodings can be converted to Perl's
+the ":utf8" layer.  UTF-8 and other encodings can be converted to Perl's
 encoding on input or from Perl's encoding on output by use of the
 ":encoding(...)"  layer.  See L<open>.
 
+Note that the C<:utf8> layer does not validate byte sequences. For
+reading input, using C<:encoding(utf8)> instead of bare C<:utf8>, is
+strongly recommended.
+
 To indicate that Perl source itself is in UTF-8, use C<use utf8;>.
 
 =item Regular Expressions
-- 
1.7.2.3

From @jmdh

On Sun Nov 07 11​:24​:51 2010, ntyni@​debian.org wrote​:

Reading input with the :utf8 layer can be unsafe, as discussed in
<http​://www.perlmonks.org/?node_id=644786>. Many parts of the
documentation were updated with commit 740d4bb,
follow the suit with perlunicode.pod.

Noticed by Vincent Lefevre in http​://bugs.debian.org/589730
---
pod/perlunicode.pod | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/pod/perlunicode.pod b/pod/perlunicode.pod
index b9a43c3..4b25c27 100644
--- a/pod/perlunicode.pod
+++ b/pod/perlunicode.pod
@​@​ -23,10 +23,14 @​@​ Read L<Unicode Security
Considerations|http​://www.unicode.org/reports/tr36>.

Perl knows when a filehandle uses Perl's internal Unicode encodings
(UTF-8, or UTF-EBCDIC if in EBCDIC) if the filehandle is opened with
-the "​:utf8" layer. Other encodings can be converted to Perl's
+the "​:utf8" layer. UTF-8 and other encodings can be converted to
Perl's
encoding on input or from Perl's encoding on output by use of the
"​:encoding(...)" layer. See L<open>.

+Note that the C<​:utf8> layer does not validate byte sequences. For
+reading input, using C<​:encoding(utf8)> instead of bare C<​:utf8>, is
+strongly recommended.
+
To indicate that Perl source itself is in UTF-8, use C<use utf8;>.

=item Regular Expressions

A similar change which resolves this issue was applied in
4ee7c0e.

The RT System itself - Status changed from 'new' to 'open'

@cpansprout - Status changed from 'open' to 'resolved'