I18N-ISSUE-306: reference to space character [.prep-css3-syntax]

I18N-ISSUE-306: reference to space character [.prep-css3-syntax]

http://www.w3.org/International/track/issues/306

Raised by: Addison Phillips
On product: .prep-css3-syntax

Editorial nit.

http://www.w3.org/TR/css-syntax-3/#charset-rule

The note in this section contains this text:

--
where XXX is a sequence of bytes other than 22 (ASCII for ")
--

This is unclear and looks odd. Please use hex notation and also use the name of the character in question. E.g.:

... where XXX is a sequence of bytes other than 0x22 (the ASCII character " U+0022 QUOTATION MARK)...