{% macro article_author(article) %}
{% set tag = namespace({'open' : true, 'close': false}) %}
{% for author in article.authors %}
{% if author|string in AUTHORS %}
{% if tag.open %}
    <hr />
    {% set tag.open = false %}
    {% set tag.close = true %}
    {% endif %}
    {% set auth = AUTHORS.get(author|string) %}
    <div class="author-blurb">
        <a href="{{ auth.url }}" target="_blank" rel="nofollow noopener noreferrer">
            {% if AUTHORS.get(author|string).avatar %}
            <img src={{ auth.avatar }} alt="{{ author }} Avatar" title="{{ author }}">
            {% endif %}
            <span class="author-name">{{ author }}</span>
        </a>
        {{ auth.blurb }}
    </div>
    {% endif %}
    {% endfor %}
    {% if tag.close %}
{% endif %}
{% endmacro %}