[MacPorts] #50512: perl5: obsolete subports perl5.16 perl5.18 perl5.20

[MacPorts]

#50512: perl5: obsolete subports perl5.16 perl5.18 perl5.20
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 Reporter:  devans@…     |      Owner:  mojca@…
     Type:  enhancement  |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:
 Keywords:               |       Port:  perl5
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 As far as I can see, all ports with perl dependencies and/or perl variants
 now only refer to perl5.22.  Subports perl5.16 perl5.18 perl5.20 have no
 dependents nor variants referring to them and may now be obsoleted.

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Ticket URL: <https://trac.macports.org/ticket/50512>
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