[PostGIS] #5398: ST_RemoveRepeatedPoints behaves unexpectedly on 3D input

[PostGIS]

#5398: ST_RemoveRepeatedPoints behaves unexpectedly on 3D input
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  Reporter:  pimvdhelm   |      Owner:  pramsey
      Type:  defect      |     Status:  closed
  Priority:  medium      |  Milestone:
 Component:  postgis     |    Version:  3.3.x
Resolution:  invalid     |   Keywords:  3D, tolerance,
                         |  ST_RemoveRepeatedPoints
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Changes (by pramsey):

 * resolution:   => invalid
 * status:  new => closed

Comment:

 2.5 D coordinates ignore Z except for representation.
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5398#comment:2>
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