[MacPorts] #55866: Entities and includes not processed in mapnik XML stylesheets

[MacPorts]

#55866: Entities and includes not processed in mapnik XML stylesheets
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  Reporter:  bpanulla  |      Owner:  macports@…
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  mapnik    |
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Comment (by bpanulla):

 I located this bug, which seems to indicate a change in default behavior
 for Mapnik preferring boost::property_tree as an XML parser:
 https://github.com/mapnik/mapnik/issues/3191

 Seems like this calls for a new variant if we can get it to override the
 default.

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Ticket URL: <https://trac.macports.org/ticket/55866#comment:2>
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