Barend Gehrels c7c4800ca6 [is_valid] remove false negatives from two touching exterior rings, touching
each other at the touching point of an interior ring
2017-06-25 16:59:34 +02:00
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2012-01-12 20:58:20 +00:00
2013-10-24 06:10:34 +00:00
2016-08-15 19:38:46 +03:00
2012-01-12 20:58:20 +00:00