Hi, could anyone confirm this?
Open a new drawing, set CSHADOW to 1, insert a Block with attributes and try to set an Attribute-Value using entmod.
If I try this routine in ACAD 2007, the Attributedefinition gets a new groupcode (284, Value 1, which means it casts shadows) and i cannot entmod the attributes of the blocks inserted.
There appear to be no problems when using ACAD 2008.
regards
Martin