Huh... I'd have to investigate that first one because I'm not really sure what an "empty form" is! I may have known this in the past, but if so that question hasn't come up in a long, long time. :) Dataset Elements, on the other hand, are what we use to add F+P levels to the active DGN file to support DV resymbolization. If you compress with that option enabled those elements will be removed, but recreated the next time the file is opened so long as BB_DVDATASETELEMENTS = 1 (the default).
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