node-red-nodes/utility/group/group.html

<script type="text/html" data-template-name="group">
    <div class="form-row">
        <div class="form-tips">
            <p>The current flow was created in a newer version of Node-RED and contains
                <code>groups</code>.</p>
            <p>This version of Node-RED does not support <code>groups</code> and
                they have been replaced by this placeholder node by the
                <code>node-red-node-group</code> module.</p>
            <p>To use <code>groups</code>, upgrade to Node-RED 1.1.0 or later.</p>
        </div>
    </div>
    <div class="form-row">
        <label for="node-input-name" data-i18n="[append]editor:common.label.name"><i class="fa fa-tag"></i> </label>
        <input type="text" id="node-input-name" data-i18n="[placeholder]editor:common.label.name">
    </div>
</script>

<script type="text/html" data-help-name="group">
    <p>A placeholder node for the grouping feature added in Node-RED 1.1.0.</p>
    <p>This version of Node-RED does not support <code>groups</code> and
        they have been replaced by this placeholder node by the
        <code>node-red-node-group</code> module.</p>
    <p>To use <code>groups</code>, upgrade to Node-RED 1.1.0 or later.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('group',{
        category: 'config',
        defaults: {
            name:{value:""},
            style:{value:{}},
            nodes:{value:[]}
        },
        label: function() {
            return this.name||"group";
        },
        labelStyle: "node_label_italic"
    });
</script>