This feature is being deprecated due to its many issues, as documented in
L<perlunicode/User-Defined Case Mappings (for serious hackers only)>.
-It is planned to remove this feature in Perl 5.16. A CPAN module,
-L<Unicode::Casing>, providing improved functionality is being prepared for
-release by the time 5.14 is available.
+It is planned to remove this feature in Perl 5.16. Instead use the CPAN module
+L<Unicode::Casing>, which provides improved functionality.
=head2 Deprecated modules
B<This featured is deprecated and is scheduled to be removed in Perl
5.16.>
-The CPAN module L<Unicode::Casings> provides better functionality
+The CPAN module L<Unicode::Casing> provides better functionality
without the drawbacks described below.
You can define your own mappings to be used in C<lc()>,