[MacPorts] #45910: okular @0.6.4 makes broken screen when scrolling

[MacPorts]

#45910: okular @0.6.4 makes broken screen when scrolling
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  Reporter:  lightoml@…  |      Owner:  nicos@…
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.2
Resolution:              |   Keywords:
      Port:  okular      |
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Comment (by lightoml@…):

 I tested it using external monitor. Strangely there is no problem with the
 external monitor. It seems to be related to mac monitor. I'm using MBR 15
 inch 2013 late

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Ticket URL: <https://trac.macports.org/ticket/45910#comment:3>
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