`TMarkdownDocument`
		Frontmatter
	ro	Anchors
	ro	FootnoteDefs
	ro	LinkRefs
	ro	Markers
	ro	Footnotes
		FileName

`TMarkdownContainerBlock`
	ro	Blocks

`TMarkdownBlock`
		ID
		Classes
	ro	Attrs
	ro	HasAttrs
		Closed
	ro	Line
	ro	Parent
	ro	LastChild
	ro	ChildCount
	ro	Children

`TMarkdownElement`