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Document @caller.
Signed-off-by: Tom Eastep <teastep@shorewall.net>
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@ -1868,6 +1868,15 @@ SHELL cat /etc/shorewall/rules.d/*.rules 2> /dev/null || true</programlisting
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action is entered, the variable's value is unchanged.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>@caller (@{caller})</term>
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<listitem>
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<para>Added in Shorewall 4.5.13. Within an action, expands to the
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name of the chain that invoked the action.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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<para>Beginning with Shorewall 4.5.13, the values of @chain and
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