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Clarify the requirement for accessing $n in an action body
Signed-off-by: Tom Eastep <teastep@shorewall.net>
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@ -401,6 +401,10 @@ REDIRECT net - tcp 80 - 1.2.3.4</programlisting>
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<para>This example behaves the same as the one shown above.</para>
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<para>If you refer to a parameter $n in the body of the action, then the
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nth paramer must either be passed to all action invocations or it's
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default value must be established via a DEFAULTS line.</para>
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<para>If you want to make '-' a parameter value, use '--' (e.g.,
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ACTION(REDIRECT,--.info)).</para>
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