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Date: Fri, 22 Apr 2005 19:23:16 -0400
From: Clint Adams <clint@zsh.org>
To: zsh-workers@sunsite.dk
Subject: replacement slowdown
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${(f)"$(</tmp/blah)"//,/x}

is much slower (23 secs vs. 0.8 secs) in 4.2.2 than it was in 4.2.1,
if /tmp/blah is a ssh known_hosts file.