[PostGIS] #5862: Postgis topology, silently craating topo edge crosses edge , mixed face labeling in ring

[PostGIS]

#5862: Postgis topology, silently craating topo edge crosses edge , mixed face
labeling in ring
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  Reporter:  Lars Aksel Opsahl  |      Owner:  strk
      Type:  defect             |     Status:  new
  Priority:  high               |  Milestone:
 Component:  topology           |    Version:  master
Resolution:                     |   Keywords:  robustness
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Comment (by Lars Aksel Opsahl):

 The dataset we try to clean up are from raster so there are many close
 parallel lines.
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5862#comment:3>
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