--- --- {% include head.html %}
{% include header.html %}
{{ content }}
{% include footer.html %} {% if page.mathjax %} {% include mathjax.html %} {% endif %} {% if page.katex %} {% include katex.html %} {% endif %} {% if jekyll.environment == 'production' and site.google_analytics %} {% include google-analytics.html %} {% endif %}