c := s[i]
switch c {
// Single quote and parens are sub-delims in RFC 3986, but we
- // escape them so the output can be embedded in in single
+ // escape them so the output can be embedded in single
// quoted attributes and unquoted CSS url(...) constructs.
// Single quotes are reserved in URLs, but are only used in
// the obsolete "mark" rule in an appendix in RFC 3986