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From: "Richard M. Stallman" <rms@gnu.org>
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Subject: Re: mh-e/mh-acros.el advices `require' incorrectly
Date: Sat, 14 Jan 2006 00:49:04 -0500
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    The origianl `require' returns FEATURE even if it is already
    provided, but the adviced `require' returns nil in such a
    case.

Packages in Emacs are not supposed to advise other parts of Emacs.
So really the right thing to do is get rid of this advising.
It is not clean for `require' to work differently in a certain
part of Emacs.

Bill, what was the reason for this?