boostorg/geometry — pull request #159 by zerebubuth (2014-10-13 03:52:49+00:00)
Title: Fix disjoint test for polygons with holes

As recommended by @awulkiew, using `point_on_border` to check whether two polygons which don't have intersecting linework are disjoint. The previous PR didn't cover all the possible cases, as @awulkiew pointed out in the comments for #156, so that case is now included as an additional test.