id	summary	reporter	owner	description	type	status	priority	milestone	component	resolution	keywords	cc	branch	branch_author	launchpad_bug
5733	AMP variant type	glyph	glyph	AMP should have an argument type which allows serialization of a dynamic type (i.e. one of a fixed set of types).  This would be helpful in serializing structures that resemble, for example, JSON, where numbers, strings, lists, and maps are allowed.	enhancement	new	normal		core