Yes, you are correct of course. But, IMO J Release 2, the first commercial version, had shaped the J that we are using now. All key concepts such as rank of verbs, prefix agreement, stack for parsing are the same as today's. Once they are understood, everything becomes simple.
On Nov 22, 2017 4:19 PM, "Raul Miller" <[email protected]> wrote: > Actually, I believe there have been some changes in that time period. > Specifically, May 2001 was when J4.06 was released. This included u:, > s:, assertions, try./catch./throw. keywords, and some significant > changes to the 9!: series of foreigns. Probably these changes would > have been included in a 2001-05-03 version, though technically that's > a week before the release date. > > September 2002 was when J 5.01 was released. This removed [. and ]. > and ]: and 11 : and 12 : a half dozen foreigns, along with a few other > changes. These changes would not have been included in a 2001-05-03 > version. > > And then there's the change which eliminated x., y. and so on - it > might be worth remembering when that happened, and it might be worth > going through the other versions and noting other significant changes > to the language. > > These sorts of things can trip up a beginner who was expecting an > exact match between the documentation and the language. These issues > might be OK if the reader is willing to check the web site for > changes, or is willing to browse through the release notes to find all > the differences. http://www.jsoftware.com/help/user/relhigh.htm - > three clicks to find the details I mentioned here, and the first two > of those are not obvious. > > Thanks, > > -- > Raul > > > On Wed, Nov 22, 2017 at 3:01 AM, Daniel Lyons <[email protected]> > wrote: > > > > > >> On Nov 22, 2017, at 12:51 AM, bill lam <[email protected]> wrote: > >> > >> The edition doesn't matter, the core j language had been stabilized 2 > >> decades ago. > > > > Thanks. This isn't obvious from the document, so I appreciate knowing > this. > > > >> PS. J general forum is mainly used for discussion of installation > issues. > >> It is unfortunate that its name is misleading. When unsure, post to > the j > >> programming forum. > > > > I'll be sure and do that in the future. > > > >> On Nov 22, 2017 12:22 PM, "Daniel Lyons" <[email protected]> > wrote: > >> > >> Rob, > >> > >>> On Nov 21, 2017, at 8:32 PM, Rob Hodgkinson <[email protected]> wrote: > >>> > >>> So it is never really “out of date” but moreso “preserved” (perhaps one > >> day, after people experiment in new “dialects” and implementations > >> (courtesy of the open source licence) an updated edition may appear). > >> > >> Oh—I really didn't mean the book itself, just that edition of the book, > >> since I figured the one on the website/in the addons has been updated > since > >> then. But maybe that isn't true; the one on the website actually says > >> 2001-5-3 versus 2002-09-10. > >> > >> -- > >> Daniel Lyons > >> > >> > >> > >> > >> ---------------------------------------------------------------------- > >> For information about J forums see http://www.jsoftware.com/forums.htm > >> ---------------------------------------------------------------------- > >> For information about J forums see http://www.jsoftware.com/forums.htm > > > > -- > > Daniel Lyons > > > > > > > > > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
