{%- include snippets/assign.html target=site.data.variables.default.chart
  source0=site.chart source1=page.chart -%}
{%- if __return == true -%}
  {%- include markdown-enhancements/chart.html -%}
{%- endif -%}

{%- include snippets/assign.html target=site.data.variables.default.mathjax
  source0=site.mathjax source1=page.mathjax -%}
{%- if __return == true -%}
  {%- include markdown-enhancements/mathjax.html -%}
{%- endif -%}

{%- include snippets/assign.html target=site.data.variables.default.mermaid
  source0=site.mermaid source1=page.mermaid -%}
{%- if __return == true -%}
  {%- include markdown-enhancements/mermaid.html -%}
{%- endif -%}