Bug CurveBoolean

[pascal (Pascal Golay)]

Hello - as far as I can see this works as expected in V8. @Federico_Scarlatti - does your file work in the V8 WIP?

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Serengeti, named after the largest African Savanna, is where Rhino grows. We like to involve users in every phase of the Rhino development process. As with prior releases, we invite current users to try, test, and provide feedback on the next release while still in development. You can now participate in the development beyond the upcoming release. Since many development efforts span more than one release, we have set up the Serengeti Project to give users more direct influence on all future …

-Pascal