I enjoy the interesting Unicode use you get on this site. I use “—⁂—” as a horizontal rule and superscript numerals for footnotes, and contemplated adding super

I enjoy the interesting Unicode use you get on this site. I use “—⁂—” as a horizontal rule and superscript numerals for footnotes, and contemplated adding superscript parentheses a few weeks ago, here and especially as the syntax in a lightweight markup language of my own for my own use. I ended up deciding not to in either case because the parentheses are too likely to be in a different font with misaligning metrics, and it’s typically worse still in monospace faces.