Older versions of J (pre-5.04?) used "y." and "x." where we now use "y" and "x". Some of the more long-standing documentation may not reflect this change.
On Tue, Sep 20, 2011 at 2:21 PM, Christopher McIntosh <[email protected]>wrote: > Having recently begun my study of J, I discovered an error in the Primer > book. On the page "~addons/docs/help/primer/tacit_definition.htm" the > definitions for fahrenheit, fa, fb, fz, and xmean contain references to > "y.". > > This generates a spelling error. > > When I look back to the original definition of fahrenheit, there is no "." > after the "y" -- Have I missed something? > > Or is this, as I suspect, simply a syntax error in the book? > > Thanks for such a great tool! > The Geeko > > ----------------------------------------------------------- > *Let me say just how excited -- and grateful! - I am to have been given the > opportunity to explore J. 35 years ago I would drool as I occasionally > stumbled across articles in "Byte" magazine about APL. Unfortunately, > neither my TRS-80 nor my Apple II+ afforded me the opportunity to get my > hands into the language. Over these 35 years, I have worked with BASIC, > Pascal, FORTRAN, C, C++, Java, Haskell, Lisp, Scala... but have never had > the opportunity to fulfill my fantasies of exploring APL... J confirms my > suspicions... true beauty lies in the use of a language as well as its > design. > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Devon McCormick, CFA ^me^ at acm. org is my preferred e-mail ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
