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unspecification

To: scheme@mc.lcs.mit.edu
Subject: unspecification
From: Alex Colvin <haven!uvaarpa!virginia!uvacs!mac@AMES.ARC.NASA.GOV>
Date: Fri ,2 Jun 89 10:39:28 EDT
Organization: University of Virginia
References: <8905250045.aa22349@mintaka.lcs.mit.edu>, <8905250927.AA29776@polya.Stanford.EDU>
Sender: scheme-request@mc.lcs.mit.edu

If you must always return the same unspecified object, then it's been
specified.  If you really want #unspecified, then you should also permit
(not (eq? #unspecified #unspecified)).

As for unit domains, isn't () one?

References:
- Scheme Digest #125
  - From: "Jonathan S. Shapiro" <shap@polya.stanford.edu>

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