Incorrect constant name or value in code example:

[ryami333]

https://github.com/opentypejs/opentype.js/blob/89939f159597b841e9465bf897591813c3be2ad1/src/glyph.js#L279

Should either be:

const TWO_PI = Math.PI * 2;

OR:

const PI_SQ = Math.pow(Math.PI, 2);

Not sure which is incorrect, the math or the const name.

[Jolg42]

I removed the var 😄