{% if page.layout == “post” or page.layout == “blog” or page.layout == “page” %} <!–
<div class="byline"> <span class="author">{{ site.author.short_name }}</span> <span class="date">{{ page.date | date: "%a, %-d %b, %Y" }}</span> </div>
–> {% else %}
<!-- this page type has no byline -->
{% endif %}