class Protocol::HTTP::Reference

def append(buffer = String.new)
	if query?
		buffer << URL.escape_path(@path) << "?" << @query
		buffer << "&" << URL.encode(@parameters) if parameters?
	else
		buffer << URL.escape_path(@path)
		buffer << "?" << URL.encode(@parameters) if parameters?
	end
	
	if fragment?
		buffer << "#" << URL.escape(@fragment)
	end
	
	return buffer
end