strconv: fix documentation for CanBackquote.

Space is not a control character.

Fixes #8571.

LGTM=iant
R=golang-codereviews, iant
CC=golang-codereviews
https://golang.org/cl/137380043

diff --git a/src/strconv/quote.go b/src/strconv/quote.go
index 4469c688b0f98195ea888fdc1d6b4f224650c5bc..53d51b5a46a324a90bbdbf168efba9e3fab75129 100644 (file)
--- a/src/strconv/quote.go
+++ b/src/strconv/quote.go
@@ -143,7 +143,7 @@ func AppendQuoteRuneToASCII(dst []byte, r rune) []byte {
 
 // CanBackquote reports whether the string s can be represented
 // unchanged as a single-line backquoted string without control
-// characters other than space and tab.
+// characters other than tab.
 func CanBackquote(s string) bool {
        for len(s) > 0 {
                r, wid := utf8.DecodeRuneInString(s)