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bear scripsit: > As for strings, pfah. If you work in corpus linguistics it's not > too uncommon to have literally millions of characters in a string. > I'd really hate to see strings limited to 1023 characters. Can you live with 2^24? > >> Being error objects, syntax for NaNs should be unspecified. > > >I don't see how that follows. > > He means that NaNs should arise from error operations, not from > the normal functioning of the reader. If (read) returns an error > object, it should mean that (read) encountered an error. Since NaN is part of the prescribed behavior of IEEE floats, it is not an error object in that sense; in particular there are operations defined on NaN that do not produce NaN, notably the relational ones. -- John Cowan jcowan@xxxxxxxxxxxxxxxxx www.reutershealth.com www.ccil.org/~cowan The known is finite, the unknown infinite; intellectually we stand on an islet in the midst of an illimitable ocean of inexplicability. Our business in every generation is to reclaim a little more land, to add something to the extent and the solidity of our possessions. --Thomas Henry Huxley