perlfunc now has a section cross referencing keywords documented elsewhere.
Keywords are grouped by man page, and for most manpages, all the
cross-referenced keywords are in the same section. Hence make the L<> links
more specific by including the section.
=item __END__
-These keywords are documented in L<perldata>.
+These keywords are documented in L<perldata/"Special Literals">.
=back
=item UNITCHECK
-These keywords are documented in L<perlmod>.
+These compile phase keywords are documented in L<perlmod/"BEGIN, UNITCHECK, CHECK, INIT and END">.
=back
=item DESTROY
-This keyword is documented in L<perlobj>.
+This method keyword is documented in L<perlobj/"Destructors">.
=back
=item AUTOLOAD
-These are documented in L<perlsub>.
+This keyword is documented in L<perlsub/"Autoloading">.
=back
=item while
-These flow-control keywords are documented in L<perlsyn>.
+These flow-control keywords are documented in L<perlsyn/"Compound Statements">.
=back