> Relatedly, differentials shouldn't be italicized. Its \int\mathrm{d}x, not \int dx. I like using https://www.ctan.org/pkg/diffcoeff https://www.ctan.org/pkg/

> Relatedly, differentials shouldn't be italicized. Its \int\mathrm{d}x, not \int dx. I like using https://www.ctan.org/pkg/diffcoeff https://www.ctan.org/pkg/diffcoeff for this.