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From: Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups: gmane.emacs.devel
Subject: Re: `read--expression' and `read-minibuffer'
Date: Sun, 04 Sep 2016 02:27:38 -0400
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> I don't see why you think that what it reads is limited, or could
> or should be limited, to expressions that can be eval'd.

Because it is tailored for that use case.  The kind of completion it
provides for instance assumes the S-exp is an Elisp expression.


        Stefan