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From: Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups: gmane.emacs.help
Subject: Re: can a command specify overwrite selection behavior?
Date: Mon, 27 Dec 2010 21:46:19 -0500
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> This behavior is _by design_.

No, it's because of the implementation: a pre-command-hook.

That's one of the reasons why I wanted the shift-select code not to rely
on this-command and things like that, but be triggered by explicit code
in the interactive spec.


        Stefan