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Thanks for the notice! If it was a big shadow, it's probably a bug with merging shadows or angle normalization. I think that stuff's pretty tight so it might be tough for me to duplicate it enough to debug it. But I'll give it a shot when I have some time. Thanks. :-)

Oh, and finding a bug for me to fix in Diamond doesn't ruin anything, it's great. If I can't get to #1 with bug fixes, I have to actually think of innovative new features. ;)