Ar an triú lá de mí na Nollaig, scríobh Jerry James: The lispref does say it, e.g. in (lispref)The Bignum Extension: The XEmacs bignum facility implements the Common Lisp notions of "canonicalization" and "contagion". Canonicalization means that in exact (integer and ratio) arithmetic, a result of an operation is always converted to the "smallest" type that can represent it exactly. and, (lispref)Canonicalization and Contagion: -- Function: canonicalize-number number Return the canonical form of NUMBER. However, if we've done our job properly, this is always a no-op. That is, if you find a number in un-canonicalized form, please report it as a bug. That’s clear enough if you’re used to Common Lisp terminology, which I admit many people aren’t. -- “Apart from the nine-banded armadillo, man is the only natural host of Mycobacterium leprae, although it can be grown in the footpads of mice.” -- Kumar & Clark, Clinical Medicine, summarising improbable leprosy research _______________________________________________ XEmacs-Patches mailing list XEmacs-Patches(a)xemacs.org http://lists.xemacs.org/mailman/listinfo/xemacs-patches