`TLaTeXMarkDownHeadingBlockRenderer`
pt		Dorender
		BlockClass

`TLaTeXMarkDownBlockRenderer`
pt		Append
pt		AppendNl
pt		HasOption
pt		Escape

`TMarkDownBlockRenderer`
pt		DoRender
		BlockClass
		RegisterRenderer
		Render

`TMarkDownElementRenderer`
pt		GetParentRenderers
pt		GetFirstParentWithClass
		create
		reset