MathML does have markup to extend diacritics across arbitrary numbers of characters and it's not likely that MathML would use the CGJ for this purpose. But it would be handy for representing such expressions in plain-text Unicode.
Murray
MathML does have markup to extend diacritics across arbitrary numbers of characters and it's not likely that MathML would use the CGJ for this purpose. But it would be handy for representing such expressions in plain-text Unicode.
Murray