-which also work reliably on non-expanded input polynomials (they even work
-on rational functions, returning the asymptotic degree). By definition, the
-degree of zero is zero. To extract a coefficient with a certain power from
-an expanded polynomial you use
+These functions even work on rational functions, returning the asymptotic
+degree. By definition, the degree of zero is zero. To extract a coefficient
+with a certain power from an expanded polynomial you use