[MacPorts] #46756: p5-test-unit: add support for 5.18 5.20 5.22, other minor cleanups

[MacPorts]

#46756: p5-test-unit: add support for 5.18 5.20 5.22, other minor cleanups
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  Reporter:  mojca@…       |      Owner:  blair@…
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:
      Port:  p5-test-unit  |
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Comment (by mojca@…):

 Given that the module is broken, that there was no input or feedback for
 the last 5 months and given that the last stable release of this module
 was 10 years ago (http://search.cpan.org/~mcast/Test-Unit-0.25/) – is this
 port needed at all? No other port depends on it, even though it could be
 that some modules would use it for writing the test cases (which is
 something I wasn't able to find out).

 If the port is no longer needed, it might be easier to remove it and only
 add it back if it turns out that users want to have it. Blair, what's your
 opinion about this?

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Ticket URL: <https://trac.macports.org/ticket/46756#comment:2>
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