)
// isTSpecial returns true if rune is in 'tspecials' as defined by RFC
-// 1531 and RFC 2045.
+// 1521 and RFC 2045.
func isTSpecial(rune int) bool {
return strings.IndexRune(`()<>@,;:\"/[]?=`, rune) != -1
}
// IsTokenChar returns true if rune is in 'token' as defined by RFC
-// 1531 and RFC 2045.
+// 1521 and RFC 2045.
func IsTokenChar(rune int) bool {
// token := 1*<any (US-ASCII) CHAR except SPACE, CTLs,
// or tspecials>