OptionalinitialOptionaleventsOptionalpluginsOptionalextendedlinks URLs written without <>, as GFM does, or with a custom parser
Optionallinkadded to the links rendered from markdown
OptionalcustomOptionalreferenceresolves link reference definitions ([label]: url)
Optionalcustomreplaces the default, DOMPurify-based sanitizer
Optionalfrontreads a --- block at the start as front matter
Optionalthemelight, dark or a custom theme, see docs/theming.md; light by default
Optionalwidgetsee docs/widget.md
plugins, or
[plugin, options]pairs