I doubt this will ever be updated, since it's reference for a very specific, 20 year old, code interpretation related proposal und not meant for type setting.
But for anything related to contemporary typesetting on the web I recommend Practical Typography and especially the Type Composition chapter:
http://practicaltypography.com/type-composition.html#links
Including notes on quotes and apostrophes:
http://practicaltypography.com/straight-and-curly-quotes.htm...