From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <64a9422b66d2cafef7dd4a9fae9cccb1@terzarima.net>
From: Charles Forsyth <forsyth@terzarima.net>
Date: Wed, 25 Feb 2009 02:42:03 +0000
To: 9fans@9fans.net
In-Reply-To: <90d9a3ce92632dcebb2a0d3e09be5ed7@quanstro.net>
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Subject: Re: [9fans] plot cmd dotted dashed lines not implemented??
Topicbox-Message-UUID: a8c9e6c4-ead4-11e9-9d60-3106f5b1d025

>[USED] doesn't do anything but suppress unused variable warnings.

it creates a use of a value, which can have other uses.
the elimination of the warning about the otherwise unused value is one useful consequence.