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by jessaustin 3549 days ago
ISTM a great deal of trouble and complication could have been prevented by three special types of NBSP that meant "sub", "super", and "back to normal". It's true that some glyphs will be special-cased by some fonts, but in general the glyph is just shrunk and translated when sub- or super-scripted.
1 comments

Yes, just like the LRE/LRO/RLE/RLO/PDF/etc characters.