if theme.mathjax && theme.mathjax.enable
  if theme.mathjax.per_page
    if(!is_tag() && !is_category() && !is_archive() && !is_home())
      include ./mathjax.pug
  else
    if page.mathjax
      include ./mathjax.pug

if theme.katex && theme.katex.enable
  if theme.katex.per_page
    if(!is_tag() && !is_category() && !is_archive() && !is_home())
      include ./katex.pug
  else
    if page.katex
      include ./katex.pug