frexp.go: remove html from comment

R=r
CC=golang-dev
https://golang.org/cl/250041

diff --git a/src/pkg/math/frexp.go b/src/pkg/math/frexp.go
index 8b6d45606702f4e7ce8a49407d3324442b8e11c3..ab226e7746c148a299fd5da6dab903b67e9846ee 100644 (file)
--- a/src/pkg/math/frexp.go
+++ b/src/pkg/math/frexp.go
@@ -6,7 +6,7 @@ package math
 
 // Frexp breaks f into a normalized fraction
 // and an integral power of two.
-// It returns frac and exp satisfying f == frac × 2<sup>exp</sup>,
+// It returns frac and exp satisfying f == frac × 2^exp,
 // with the absolute value of frac in the interval [½, 1).
 func Frexp(f float64) (frac float64, exp int) {
        // TODO(rsc): Remove manual inlining of IsNaN, IsInf