{%- assign slides = markdown.yaml.Slides -%}
{%- assign slide_s = 7 -%}
{%- if slides and slides.size > 0 -%}
{%- for s in slides -%}
{%- assign delay_s = forloop.index0 | times: slide_s -%}
{{ s.content }}
{%- endfor -%}
{%- else -%}
{{ markdown.yaml.Title }}{{ markdown.yaml.Author }}
{%- endif -%}