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From: "Rod Pemberton" <dont_use_email@xnohavenotit.cnm>
Newsgroups: comp.lang.forth
Subject: Re: ?DUP
Date: Mon, 28 Oct 2013 16:30:49 -0400
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On Mon, 28 Oct 2013 14:54:04 -0400, Andrew Haley  
<andrew29@littlepinkcloud.invalid> wrote:
> Anton Ertl <anton@mips.complang.tuwien.ac.at> wrote:

>> [...]
> [...]
> absolutely natutural classic Forth, which you apparently want

natural

> ?DUP is in CORE.  It's been in Forth forever. The only
> reason to leave it out from an optimizer is that you
> don't use it.

Or, it's just so low usage that there is no point bothering
with it ...  Of course, I don't think I've ever heard of a
*selective* code optimizer, i.e., one where you could select
or not select words like ?DUP or ROT to be optimized or not.
Have you?  Is that another bit in the dictionary header?


Rod Pemberton