gnu: Add perl-unicode-collate.

* gnu/packages/perl.scm (perl-unicode-collate): New variable.

gnu: Add perl-unicode-normalize.

* gnu/packages/perl.scm (perl-unicode-normalize): New variable.

gnu: Add perl-text-roman.

* gnu/packages/perl.scm (perl-text-roman): New variable.

gnu: Add perl-text-csv-xs.

* gnu/packages/perl.scm (perl-text-csv-xs): New variable.

gnu: Add perl-sort-key.

* gnu/packages/perl.scm (perl-sort-key): New variable.

gnu: Add perl-mozilla-ca.

* gnu/packages/perl.scm (perl-mozilla-ca): New variable.

gnu: Add perl-lingua-translit.

* gnu/packages/perl.scm (perl-lingua-translit): New variable.

gnu: Add perl-ipc-cmd.

* gnu/packages/perl.scm (perl-ipc-cmd): New variable.

gnu: Add perl-extutils-libbuilder.

* gnu/packages/perl.scm (perl-extutils-libbuilder): New variable.

gnu: Add perl-encode-hanextra.

* gnu/packages/perl.scm (perl-encode-hanextra): New variable.

gnu: Add perl-encode-jis2k.

* gnu/packages/perl.scm (perl-encode-jis2k): New variable.

gnu: Add perl-encode-eucjpascii.

* gnu/packages/perl.scm (perl-encode-eucjpascii): New variable.

gnu: perl-encode-detect: Move to alphabetical position.

* gnu/packages/perl.scm (perl-encode-detect): Move variable definition.

gnu: Add perl-datetime-calendar-julian.

* gnu/packages/perl.scm (perl-datetime-calendar-julian): New variable.

gnu: Add perl-date-simple.

* gnu/packages/perl.scm (perl-date-simple): New variable.

gnu: Add perl-data-uniqid.

* gnu/packages/perl.scm (perl-data-uniqid): New variable.

gnu: Add perl-data-compare.

* gnu/packages/perl.scm (perl-data-compare): New variable.

gnu: Add perl-business-ismn.

* gnu/packages/perl.scm (perl-business-ismn): New variable.

gnu: Add perl-tie-cycle.

* gnu/packages/perl.scm (perl-tie-cycle): New variable.

gnu: Add perl-business-issn.

* gnu/packages/perl.scm (perl-business-issn): New variable.