[PostGIS] #6140: ST_AddNodeModFace creates invalid topology

[PostGIS]

#6140: ST_AddNodeModFace creates invalid topology
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  Reporter:  strk      |      Owner:  strk
      Type:  defect    |     Status:  new
  Priority:  medium    |  Milestone:  PostGIS 3.6.5
 Component:  topology  |    Version:  3.6.x
Resolution:            |   Keywords:  robustness
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Comment (by strk):

 Another approach is implementing edge/edge invalid intersection
 internally, which is done with
 https://gitea.osgeo.org/postgis/postgis/pulls/805 also fixing this case
 while not requiring a newer GEOS
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/6140#comment:2>
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