FWIW, XML was long long ago abstracted as XML Infoset--which essentially represents the concept of an XML document as opposed to a specific text encoding with a

FWIW, XML was long long ago abstracted as XML Infoset--which essentially represents the concept of an XML document as opposed to a specific text encoding with angle brackets and quotation marks--so it has always felt to me like "different encodings" are already "support[ed]...natively"?