Hello Yukihiro, Wednesday, October 09, 2002, 5:21:01 PM, you wrote: YM> | and such things as "()" equal to "begin...end" and "all operators YM> | are expressions" is "sign of devil" of algol-68, so i think that YM> | matz knows this language YM> I know little about Algol 68. I was a baby back then. I learned YM> these "signs of devil" from Lisp. lisp don't have begin/end, afair. if you reinvented this equivalence independent from algol-68, it's a very cool :) -- Best regards, Bulat mailto:bulatz / integ.ru