The expression X exp1;exp2;exp3 Y needs ()'s to be properly constructed as a 5 element "train": X (exp1;exp2;exp3) Y. As near as I can tell it is referenced in the following link.
https://www.jsoftware.com/help/dictionary/dicte.htm On that page the reference is to the following page: https://www.jsoftware.com/help/dictionary/dictF.htm (Notice that 'F' replaces 'e' ). --- (B=) > On Dec 7, 2019, at 12:39 PM, 'Jim Russell' via Programming > <[email protected]> wrote: > > Another rabbit hole… > > > —— > > > [snip] > > Now the thing that got me into that rabbit hole: where is this format: > X exp1;exp2;exp3 Y > first introduced and explained?? > > >> ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
