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From: Bart Schaefer <schaefer@brasslantern.com>
Message-id: <140928115243.ZM27229@torch.brasslantern.com>
Date: Sun, 28 Sep 2014 11:52:43 -0700
In-reply-to: <20140928171033.GA11234@cheyenne>
Comments: In reply to Marco Hinz <mh.codebro@gmail.com>
 "[patch] Fix VCS_INFO_reposub's whitespace handling" (Sep 28,  7:10pm)
References: <20140928171033.GA11234@cheyenne>
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To: zsh-workers@zsh.org
Subject: Re: [patch] Fix VCS_INFO_reposub's whitespace handling
Cc: Marco Hinz <mh.codebro@gmail.com>
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On Sep 28,  7:10pm, Marco Hinz wrote:
}
} I'm new to zsh internals, but apparently something causes the string
} 'foo   bar' to be read in as 2 arguments. printf only takes 1
} argument, and so 'bar' just gets appended.
} 
} Could someone point me to the appropriate parameter expansion rule?
} 
} Solution:
} 
} Double-quote ${$(pwd -P)#$base/}.

It's the $(pwd -P) that's the problem; $(...) is subject to $IFS split
unless quoted.  Section 14.4 "Command Substitution" in the docs.