@BasilBourque, I do think this can be presented by that mainly the answer's 1st sentence is extremely transient / misleading: " is sufficient but in XHTML is preferred ..." => 1 could infer That may be used in XHTML, which isn't real truth. @Knickerless-Noggins I am undecided in which you're looking at that, but is flawlessly appropriate, and W3