Highlight Mint code in Markdown content.

[gdotdesign]

This PR implements highlighting for Mint language blocks in Markdown content in here documents.

[farism]

This will be useful for static docs generator too. 👍

I was not a huge fan of this

[Sija]

I'd suggest extracting this into a dedicated method:

def inline_code(io, code)
  io << '`' << code.gsub('`', "\\`") << '`'
end

Suggested change

	if language == "mint"
	parser = Parser.new(node.text, "source.mint")
	parser.parse_any
	parts =
	SemanticTokenizer.tokenize(parser.ast)
	parts.each do |item|
	case item
	in String
	@io << '`' << item.gsub('`', "\\`") << '`'
	in Tuple(SemanticTokenizer::TokenType, String)
	tag("span", {"className" => item[0].to_s.underscore})
	@io << '`' << item[1].gsub('`', "\\`") << '`'
	tag_end
	end
	@io << ','
	end
	else
	@io << '`' << node.text.gsub('`', "\\`").strip << '`'
	end
	if language == "mint"
	parser = Parser.new(node.text, "source.mint")
	parser.parse_any
	parts =
	SemanticTokenizer.tokenize(parser.ast)
	parts.each do |item|
	case item
	in String
	inline_code(@io, item)
	in Tuple(SemanticTokenizer::TokenType, String)
	tag("span", {"className" => item[0].to_s.underscore})
	inline_code(@io, item[1])
	tag_end
	end
	@io << ','
	end
	else
	inline_code(@io, node.text.strip)
	end

[gdotdesign]

This PR is now outdated and will be superseded by the compiler refactor in #680 and will close when that's merged.