Open source needs standardization and vice versa

Demonstration of superscripts made ​​ugly by browsers

The number of combinations of p distinct items taken q at a time is denoted: Cₚ

Now the same with markup: Cpq

Test different browsers ; choose the font here:

Pecita Times Arial Gentium Verdana Ubuntu

Variants support with Firefox (06/2011)

Firefox is now able to process variants. It's very interesting! However, the experience of this support made me understand that it did not eliminate the need for a standard location to store the superscript small letter q and the Small Caps Q and X. These are indeed basic glyphs and their places are not in Private Area.

(Using variants with Firefox.)