Comment 8 for bug 379817

fixed in 22139, please test

> In my understanding, a "tool" should keep consistent behaviour across versions.

except when new functionality is added - and this was just a case of useful new functionality (half-smooth nodes) being applied in a wrong situation

Krzysztof: please make sure to reproduce the exact behavior of the old node tool, including my fix, in your new tool (see the pseudocode algorithm in sp_nodepath_convert_node_type)