[whatwg] Possible typos

[Susan G. Lesch]

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/