[anything not mentioned here was edited as requested]
>p.2, para 3.   "several variations"? Just two, surely?
Nope. You forget HTML.Deprecated, plus levels...
>p.3, top.      [SGML] should have the brackets removed.
>
>p.4, top.      ditto, passim (eg p.6, bottom) There are rather a lot
>               of these.
>p.32, 6.3 Queries  [URL] remove brackets
>
Those are bibilography citations.
Dan