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From: Pavel Roskin <proski@gnu.org>
To: The development of GRUB 2 <grub-devel@gnu.org>
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Cc: Franklin PIAT <fpiat@bigfoot.com>
Subject: Re: Questions for writing manpages
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On Thu, 2008-01-31 at 00:45 +0100, Franklin PIAT wrote:

> It seems that variable expansion adds a space before and after the variable's value.
> Since the test must be "A=B", without space, results seems to be wrong 
> (unless i'm doing something wrong).

Sorry for my previous clueless reply.  I though you were asking about
the normal shell (like bash), not about GRUB command line.

You are right about spaces, I've had this problem before:

> echo (${root})
( hd0,1 )
> ls (${root})
error: unknown device

-- 
Regards,
Pavel Roskin