2.4.4.1 spaces and indeed any trailing garbage characters are ignored. Could omit "indeed".
2.4.4.6 when the parser sees a number or a "-" character. Could spell out U+002D HYPHEN-MINUS character. 3.4.1 s/so so to define/to define/ 3.5 Could omit ", admittedly". s/MIME type/Internet media type/ If you agree, globally. 4.8.3 s/cookies are still send/cookies are still sent/