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From: Jason Rumney <jasonr@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: patch: handle PS/PDF in Gnus
Date: Fri, 06 Jul 2007 21:44:24 +0100
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Cc: David Reitter <david.reitter@gmail.com>, emacs- devel <emacs-devel@gnu.org>
To: Stefan Monnier <monnier@iro.umontreal.ca>
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Stefan Monnier wrote:
> Indeed, and instead of adding umpteen entries that pass the file to `open' we
> should change the code to default to `open' under Mac OS X.
>   

Opening unknown files from an untrusted source is not a good default.
Does the "open" method on a Mac make its own decisions about what type
of file it is being given based on file content? If so, using it even
for known file types is too much of a risk.