popov.link/_includes/navbar.html

<nav>
    {%- for link in site.data.navbar -%}
    <a href="{{- link.path | relative_url | uri_escape -}}">{{- link.title | strip | normalize_whitespace | xml_escape -}}</a>
    {%- endfor -%}

    <span>
        <span>|</span>
        <a href="{{- site.rss | absolute_url | uri_escape -}}">RSS</a>
    </span>
</nav>