[MacPorts] #59218: QLMarkdown and QLColorcode fail on Catalina 10.15

[MacPorts]

#59218: QLMarkdown and QLColorcode fail on Catalina 10.15
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  Reporter:  breiter                 |      Owner:  (none)
      Type:  defect                  |     Status:  new
  Priority:  Normal                  |  Milestone:
 Component:  ports                   |    Version:
Resolution:                          |   Keywords:  catalina
      Port:  QLMarkdown QLColorCode  |
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Comment (by ryandesign):

 If you figure out how to fix it, let us know. Catalina is brand-new, and
 these ports have no maintainer.

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Ticket URL: <https://trac.macports.org/ticket/59218#comment:3>
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