Glyphs. Check that the font has all the special characters. You probably don’t need anything too exotic, but definitely see that the font has a full set of typographic symbols.
Design for Programmers
Ria N. Carmin

As a programmer, you might be building a system which admits arbitrary user-supplied text. In that case, be very careful.

You might select a face that is really good for English text. It probably lacks Cyrillic or Greek coverage, or has inferior kerning in those blocks. В чащах юга жил бы цитрус? Да, но фальшивый экземпляр! See how Cyrillic text falls back to an alternate font.

Show your support

Clapping shows how much you appreciated Yuri Khan’s story.