treehouse/template/components/_doc.hbs

<main class="doc">
    <div class="vertical-center">
        <article class="doc-text">
            {{#if (ne page.tree_path 'index')}}
            <header>
                <h1 class="page-title"><a href="{{ config.site }}/{{ page.tree_path }}">{{ page.title }}</a></h1>
                <ul class="feeds">
                    {{#each page.feeds as |feed|}}
                    <li>
                        <time datetime="{{ feed.updated }}">{{ iso_date feed.updated }}</time>
                        {{#if (gt (len page.feeds) 0)}}<span class="source-feed">[<a href="{{ feed.url }}">{{ feed.name }}</a>]</span>{{/if}}
                    </li>
                    {{/each}}
                </ul>
            </header>
            {{/if}}

            {{{~ page.doc }}}
        </article>

        {{> components/_footer.hbs }}
    </div>

    {{> components/_feed.hbs }}
</main>