use of the recursive inheritance while resolving a method or doing a
C<$foo-E<gt>isa($bar)> lookup.
-=head2 warnings::register changed to favor users of modules
+=head2 warnings::enabled and warnings::warnif changed to favor users of modules
The behaviour in 5.10.x favors the person using the module;
The behaviour in 5.8.x favors the module writer;
=item *
C<Archive::Extract> is a generic archive extraction mechanism
-for F<.tar> (plain, gziped or bzipped) or F<.zip> files.
+for F<.tar> (plain, gzipped or bzipped) or F<.zip> files.
=item *