In perl.git, the branch blead has been updated
<http://perl5.git.perl.org/perl.git/commitdiff/6a807e2131bdd208d856c632a661bea960643322?hp=deaf6ad33bc791827dc72b549e911a4a2d1a0886>
- Log -----------------------------------------------------------------
commit 6a807e2131bdd208d856c632a661bea960643322
Author: Karl Williamson <k...@cpan.org>
Date: Tue Apr 22 18:31:11 2014 -0600
perldiag: Clarify non-char warning
What to do in this situation is currently subject to ticket
[perl #121226], This more clearly documents what happens now.
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Summary of changes:
pod/perldiag.pod | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/pod/perldiag.pod b/pod/perldiag.pod
index 00700c5..bca95e2 100644
--- a/pod/perldiag.pod
+++ b/pod/perldiag.pod
@@ -5742,9 +5742,15 @@ with the characters in the Lao and Thai scripts.
(S nonchar) Certain codepoints, such as U+FFFE and U+FFFF, are
defined by the Unicode standard to be non-characters. Those are
legal codepoints, but are reserved for internal use; so, applications
-shouldn't attempt to exchange them. If you know what you are doing
+shouldn't attempt to exchange them. An application may not be
+expecting any of these characters at all, and receiving them
+may lead to bugs. If you know what you are doing
you can turn off this warning by C<no warnings 'nonchar';>.
+This is not really a "serious" error, but it is supposed to be raised
+by default even if warnings are not enabled, and currently the only
+way to do that in Perl is to mark it as serious.
+
=item Unicode surrogate U+%X is illegal in UTF-8
(S surrogate) You had a UTF-16 surrogate in a context where they are
--
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