From: Kaz Kylheku
Subject: Amusing nugget from Tom Duff's RC shell manual.
Date: 
Message-ID: <1161554759.772044.32910@f16g2000cwb.googlegroups.com>
``Why does Bourne re-scan commands after variable substitution? He
needs to be able to store lists of arguments in variables whose values
are character strings. If we eliminate re-scanning, we must change the
type of variables, so that they can explicitly carry lists of strings.''