Linkdown use Jinja2 template to render markdown documents. You can find template at templates/markdown.html if you are using default template. This template will be also used for render reStructuredText.
The variable content contains HTML converted from the markdown document.
The variable headlines contains headlines in the markdown document. List of tuples, each tuples have 3 element, tag name, headline text, headline tag id.
[ ('h1', 'Markdown templates', 'Markdown-templates'), ('h2', 'Variables for markdown template', 'Variables-for-markdown-template'), ('h3', 'content', 'content') ] Read sample template to learn more.