actually required is now calculated on demand, the cases when this needs to
be done should be few and far between (f4431c .. fcd245).
+The ibcmp_utf8 API function for case-insensitive comparison of strings (which
+is used heavily by the regexp engine) was substantially refactored and
+optimised - and its documentation much improved as a free bonus gift (8b3587).
+
=head1 Installation and Configuration Improvements
XXX Changes to F<Configure>, F<installperl>, F<installman>, and analogous tools