Marco Cimarosti wrote:
Stability requires that no more precomposed characters will be added that are equivalent to sequences of already-existing other characters. This is because it would change the NFC form for those sequences.It has been repeated a lot of times that no more precomposed character will never ever ever ever be added. ...
Nothing prevents new precomposed characters involving completely new characters. For example, the precomposed musical symbols did not need to be composition exclusions.
markus
--
Opinions expressed here may not reflect my company's positions unless otherwise noted.