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Those symbols (including comma) were added in later editions of the standard, and I'm sure there's a reason, but it seems to me if your keyboard has the characters & and ; it will also have , no? I mean, why not add &a; for a then?



There's also ";" standing for ";", which makes even less sense to me.


To escape both special characters if you wanted to display ";" to the user?


In order to encode the ; as a character, when ; is being used as a separator.




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