the plugging of several memory leaks, fixes to the regular expression
engine, the addition of a Unicode character classes, better support for
64-bit platorms, and updates of many modules in the base Perl Library.
See perldelta.pod for more details.
Also update p5-Data-Dumper, p5-Devel-DProf, and p5-Devel-Peek to the
latest versions distributed with the perl-5.6.1 sources, and libperl to
5.6.1 to match the perl package.