Arbitrary data passed to Jekyll partials

gistfile1.html

<!-- partial.html -->
<div class="Tile">
    {% if include.title %}
        <h1>{{ include.title }}</h1>
        {% else %}
        <h1>no content!</h1>
    {% endif %}
</div><!-- .Tile -->

<!-- in any template, partial, layout or content file -->
{% include partial.html title="My Super Awesome Tile!" %}
{% include partial.html title="Another super sweet tile" %}
{% include partial.html %}