Commit 233e70e50b for perl

commit 233e70e50b57acf34a1003a191ae9a57e8706973
Author: Karl Williamson <khw@cpan.org>
Date:   Thu Sep 17 10:31:44 2026 -0600

    perldelta for Unicode 18.0

diff --git a/pod/perldelta.pod b/pod/perldelta.pod
index 6e28dccd70..a1aba4df14 100644
--- a/pod/perldelta.pod
+++ b/pod/perldelta.pod
@@ -46,6 +46,16 @@ This is approximately equal to the following, except that it is more efficient a

 For more detail, see L<perlop/Equality Operators>.

+=head2 Unicode 18.0 is supported
+
+Unicode's blog post about it is
+L<https://blog.unicode.org/2026/09/announcing-unicode-standard-version-180.html>.
+A more formal summary of changes is at
+L<https://www.unicode.org/versions/Unicode18.0.0>.  Some changes not
+readily visible at those places include changes to what is considered a
+grapheme in some South Asian languages, and adding support for some
+properties of historical East Asian languages.
+
 =head2 Threads may be Configured to have locale thread-safety

 The Perl interpreter may now be Configured to emulate thread-safety in