[PostGIS] #6034: Missing node when adding overlapping line

[PostGIS]

#6034: Missing node when adding overlapping line
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  Reporter:  Lars Aksel Opsahl  |      Owner:  strk
      Type:  defect             |     Status:  new
  Priority:  medium             |  Milestone:
 Component:  topology           |    Version:  3.6.x
Resolution:                     |   Keywords:
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Comment (by strk):

 Just to be clear: the absence of the node is not an invalidity because
 those 2 edges don't really cover the same "space", they have an endpoint
 in common but they do not have the same direction, only have a very very
 small angle between them.
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/6034#comment:15>
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