+D perldelta Perl changes since previous version
+d perl5138delta Perl changes in version 5.13.8
+ perl5137delta Perl changes in version 5.13.7
+ perl5136delta Perl changes in version 5.13.6
+ perl5135delta Perl changes in version 5.13.5
+ perl5134delta Perl changes in version 5.13.4
+ perl5133delta Perl changes in version 5.13.3
+ perl5132delta Perl changes in version 5.13.2
+ perl5131delta Perl changes in version 5.13.1
+ perl5130delta Perl changes in version 5.13.0
+ perl5122delta Perl changes in version 5.12.2
+ perl5121delta Perl changes in version 5.12.1
+ perl5120delta Perl changes in version 5.12.0