[MacPorts] #42199: docbook2x @0.8.8_3: convert dependencies from perl5.12 to perl5.16

[MacPorts]

#42199: docbook2x @0.8.8_3: convert dependencies from perl5.12 to perl5.16
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 Reporter:  egall@…  |      Owner:  macports-tickets@…
     Type:  defect   |     Status:  new
 Priority:  Normal   |  Milestone:
Component:  ports    |    Version:  2.2.1
 Keywords:           |       Port:  docbook2x
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 seeing as most other ports have moved from perl5.12 to perl5.16, docbook2x
 should probably follow suit if possible.

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Ticket URL: <https://trac.macports.org/ticket/42199>
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