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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.help
Subject: Re: possible `with-current-buffer' bug
Date: Mon, 07 Feb 2011 05:16:16 -0500
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To: Le Wang <l26wang@gmail.com>
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> Date: Mon, 7 Feb 2011 17:23:09 +0800
> From: Le Wang <l26wang@gmail.com>
> Cc: help-gnu-emacs@gnu.org
> 
> I'm not sure what the command line length limit is for other OS, but on
> Vista, it's pretty short.

How short is "pretty short"?  It should be 32K if we invoke commands
directly, or 8K if we do that through a Windows shell (which should
only happen if there's a pipe in the command).