message_with_signature.naml

<override_macro name="message_with_signature" requires="node">  
    <n.node_message_as_html />  
    <n.if>   
        <condition>
            <n.either>
                <condition1.owner.is_in_group group="Sig" />  
                <condition2.owner.is_site_admin/>
            </n.either>
        </condition>
        <then>    
            <n.if.both condition1="[n.owner.has_signature/]" condition2="[n.owner.is_active/]">  
                <then>              
                    <div class="signature weak-color">  
                        <n.owner.signature_as_html/>  
                    </div>  
                </then>  
            </n.if.both>  
        </then>              
    </n.if>  
</override_macro>