turns out old code also had the same bug (just coincidance it was noticed after my change) now boundry verts are tagged so edges connected to them are not seen is missing a tagged, adjacent edge. this fixes [#30471]
turns out old code also had the same bug (just coincidance it was noticed after my change) now boundry verts are tagged so edges connected to them are not seen is missing a tagged, adjacent edge. this fixes [#30471]