[MacPorts] #60759: rb-ronn-ng only contains README file

[MacPorts]

#60759: rb-ronn-ng only contains README file
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  Reporter:  danielbair  |      Owner:  (none)
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  rb-ronn-ng  |
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Comment (by danielbair):

 Could it also output a message at install time that this is a stub port.

 Sorry for all the comments, I am new to MacPorts development.

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Ticket URL: <https://trac.macports.org/ticket/60759#comment:5>
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