[postgis-users] problem "st_equals".

[Stüwe Rolf]

Hallo all,
 
we have a problem concerning the function "st_equals" under PostgreSQL 8.2.3 , PostGIS1.2.1.
 
We duplicated a geometry having a Self-intersection. The two geometries are not st_equals(the original geometry, the duplicated geometry). Why?????
Many thanks for help us!
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