https://en.wikipedia.org/wiki/Deseret_alphabet
An interesting article. The "Encodings" section illustrates the differences between the older and newer forms of the two letters. Doug Ewell wrote, > A Deseret font could easily, and conformantly, be > constructed with whatever set of glyphs the designer > wishes to show, just as it could for a Latin-script > font. If the user community needs to preserve the distinction in plain-text, then variation selection is the right approach. Best regards, James Kass