+d perl5150delta Perl changes in version 5.15.0
+ perl5140delta Perl changes in version 5.14.0
+ perl51311delta Perl changes in version 5.13.11
+ perl51310delta Perl changes in version 5.13.10
+ perl5139delta Perl changes in version 5.13.9
+ perl5138delta Perl changes in version 5.13.8
+ perl5137delta Perl changes in version 5.13.7