It must have no duplicate points ``clause`` first and last point
================================================================

Usages:
~~~~~~~

 - **Then** *It must have no duplicate points including first and last point*

   :doc:`/features/GEM111_No-duplicated-points-within-a-polyloop-or-polyline`:13

 - **Then** *It must have no duplicate points including first and last point*

   :doc:`/features/GEM111_No-duplicated-points-within-a-polyloop-or-polyline`:20

 - **Then** *It must have no duplicate points excluding first and last point*

   :doc:`/features/GEM111_No-duplicated-points-within-a-polyloop-or-polyline`:27