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From: Teemu Likonen <tlikonen@iki.fi>
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Subject: Re: Fast emacs?
Date: Tue, 13 Oct 2009 16:17:45 +0300
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On 2009-10-13 10:50 (+0200), Cecil Westerhof wrote:

> David Kastrup <dak@gnu.org> writes:
>> C-x C-f /sudo::/etc/fstab RET
>
> Nice one. Only the first time I use it, it take some time. When I do
> it a second time, it is quit fast.

With Emacs 22 it's slow first time. Fortunately with Emacs 23 /sudo: and
/su: are always fast.