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From: dxf <dxforth@gmail.com>
Newsgroups: comp.lang.forth
Subject: Re: "Back & Forth" - Local variables
Date: Fri, 14 Mar 2025 13:29:48 +1100
Organization: i2pn2 (i2pn.org)
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On 14/03/2025 1:35 am, sjack wrote:
> dxf <dxforth@gmail.com> wrote:
>> Code equivalence is nothing new.  It's for sake of clarity that Fig-forth
>> defined both I and R@ despite them sharing the same code.  Forth-83 made
>>
> 
> To be a little more correct FigForth v1.0 did indeed define 
> I and R (not R@) to share same code. My FigForth still does.
> I believe R@ comes from one of the standards,e.g. Forth-83

AFAIK there was no R or R@ prior to FigForth.  MicroForth, Kitt Peat Forth,
'Starting Forth' simply used I for that.  It's unclear how FigForth came to
have R or Forth-79 came to have R@ .