`TMarkdownRenderer`
pt		CreateRendererInstance
pt		CreateRendererForBlock
pt		CreateTextRendererInstance
pt		GetTextRenderer
		Create
		destroy
		RenderText
		RenderTextNodes
		RenderBlock
		RenderCodeBlock
		RenderChildren
		RenderDocument
		WriteRaw
		DoMarker
		DoMarkerNode
		DoResolveLink
		GetHeadingNumber
		GetCaptionNumber