local plain = {}


function plain.start_document (_)
	return ""
end


function plain.end_document ()
	return ""
end


function plain.start_table ()
	return ""
end


function plain.end_table ()
	return ""
end


function plain.start_row ()
	return ""
end


function plain.end_row ()
	return "\n"
end


function plain.label (name)
	return ("%3s "):format(name)
end


function plain.spot ()
	return "_"
end


function plain.cell (level)
	return ("%1d"):format(level)
end


return plain