One feature I would like to see in a font: Really awesome Unicode support. With characters like all the subscript/superscript digits and letters. And all the co

One feature I would like to see in a font: Really awesome Unicode support. With characters like all the subscript/superscript digits and letters. And all the combining diacritics (like hat, dots, double dots, overlines, vector arrows etc.). Also, some fonts are monospaced in the ASCII set, but not for less common characters such as typographic quoted. Do you know a font that qualifies here? Because Unicode is super awesome!