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From: Richard Stallman <rms@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Overlay arrow in *compilation* and *grep* buffers
Date: Mon, 16 May 2005 15:28:59 -0400
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    While debugging these lisp changes with Edebug, I noticed that `g' (top-level)
    didn't clear Edebug's arrow.

The natural way to do that is with an unwind-protect around the code
that reads the input.  Would you like to add one?