On Feb 6, 2008, at 8:52 AM, Trans wrote: >> Thanks for pointing out #initialize_copy. I didn't know it existed. >> Now I >> see it in PickAxe, but I think it's role has been greatly >> trivialized. >> Pickaxe only mentions it with regard to C extensions, >> empathetically says >> that it's only for C extensions, and completely overlooks the idea >> that >> an object might be hiding other kinds of information that should be >> copied, not shared between duplicates. Yes, that was an oversight, and one that I'll fix in the new edition. Dave