class Phlex::SGML

def plain(content)

Output plain text. 
def plain(content)
	unless __text__(content)
		raise Phlex::ArgumentError.new("You've passed an object to plain that is not handled by format_object. See https://rubydoc.info/gems/phlex/Phlex/SGML#format_object-instance_method for more information")
	end
	nil
end