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joty:

Yes, that sounds like it. The PDF specification was the first place where I read about the two different types of transparent groups. In ArtWorks you can have both: Groups in which each individual object is transparent, so the grouped objects are visually indistinguishable from the ungrouped objects, and what PDF calls "knockout groups", i.e., the objects in the group can overlap each other and the final result of rendering them is then made transparent.

Martin

 is a RISC OS Userwuerthne on 20/8/04 12:11AM
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