[MacPorts] #54805: gnuplot @5.0.6_1: update to 5.2.0

[MacPorts]

#54805: gnuplot @5.0.6_1: update to 5.2.0
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  Reporter:  l2dy     |      Owner:  mojca
      Type:  update   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  gnuplot  |
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Comment (by fortran-favors-the-old):

 Yes, updating gnuplot to 5.2.0 would be great. Lots of useful new
 features: [[https://lwn.net/Articles/723818/|What's new in gnuplot 5.2
 [LWN.net]]]

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Ticket URL: <https://trac.macports.org/ticket/54805#comment:1>
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