Renders the bounded Markdown subset the guides use into HTML for the static site.
The renderer is deliberately fail-closed: an element, attribute, parser warning, or link shape it does not recognise raises instead of publishing something silently wrong. Extend the whitelists when a guide legitimately needs more Markdown.
Summary
Functions
Renders one guide's Markdown.
Types
Functions
Renders one guide's Markdown.
source labels errors. rewrite_link receives every href exactly as
written in the Markdown and returns the href to publish; it should raise
on a target it cannot account for.