[Para [Str "m",Superscript [Str "2"]]
,Para [Str "m",Superscript [Code ("",[],[]) "2"]]
,Para [Code ("",[],[]) "m",Superscript [Str "2"]]
,Para [Code ("",[],[]) "m",Superscript [Code ("",[],[]) "2"]]
,Para [Str "m",Subscript [Str "2"]]
,Para [Str "m",Subscript [Code ("",[],[]) "2"]]
,Para [Code ("",[],[]) "m",Subscript [Str "2"]]
,Para [Code ("",[],[]) "m",Subscript [Code ("",[],[]) "2"]]]
