Perhaps it is the tte addon that Ian Clark wrote in 2012? It is accessed in Package Manager under debug/tte and once downloaded can be brought into the environment with load 'debug/tte'
It creates an adverb to convert tacit to explicit. Information is found in ABOUT_tte_ (+/ % #) tte 3 : 0 NB. +/ % # ] s0=: # y ] t0=: +/ y NB. main: h-: ,'/' ] r0=: t0 % s0 NB. fork: (+/) % # : ] s0=: x # y ] t0=: x +/ y NB. main: h-: ,'/' ] r0=: t0 % s0 NB. fork: (+/) % # ) Cheers, bob > On Oct 24, 2022, at 08:00, Gilles Kirouac <g1...@myriade.ca> wrote: > > Richard > If you are looking for the trace script, it is in > > addons\general\misc > > See also > https://wiki.jsoftware.com/wiki/Guides/Language_FAQ/TracePhrase > > ~ Gilles > > Le 2022-10-24 à 01:45, Richard Donovan a écrit : >> Many years ago (J4 or J6) I remember there was a function that showed how >> hooks and trains etc were expanded, using such output as x _f_ g_ y etc >> (where _f_ indicated dyad etc). Does anyone know of this and whether it >> still exists? >> > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm