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From: RW <list-freebsd-2004@morbius.sent.com>
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Date: Sun, 25 Dec 2005 14:50:10 +0000
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Subject: Re: Forth include ?
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On Saturday 24 December 2005 07:16, Leonard Zettel wrote:
> This undoubtedly is of no importance whatsoever,
> natheless this inquiring mind would like to know.
>
> The FreeBSD boot loader is written in Forth, which
> I happen to be able to read (sort of, anyway).
> EXCEPT the word "include" occurs in a number
> of places. I grant it is fair to middling obvious what it
> does. At the same time, I have not been able to find a definition
> for include in any of the reference materials I have on
> Forth. It is defninetly NOT ANS (or ISO) Forth (which specifies the
> words INCLUDE-FILE and INCLUDED).
>
> So 1) Can anybody give a stack picture for include ?
> 2) What version/dialect of Forth does FreeBSD use
> and is there any place I can get documentation on it?

Looking through the source it appears it's not stricly speaking Forth, but 
rather FICL.

http://ficl.sourceforge.net/

FWIW I have seen include in older, pre-ansi,  versions of forth.