This is a page from the Cascading Style Sheets Working Group Blog. Some other places to find information are the “current work” page, the www-style mailing list, and the Future of CSS syndicator.
Do you want to know how the CSS WG works? Fantasai has written about:csswg, An Inside View of the CSS Working Group at W3C.
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there was basic agreement that when dealing with + the added whitespace wasn’t needed, but there were concerns about – being confused with keywords. There was agreement that the priority should be author readability/usability not tokenization. TabAtkins will outline the exact proposal on the mailing list to solicit feedback with a goal of doing a poll of the working group on the next call (14 May):modal
to Selectors level 4
:modal
, but not enough to block a resolution.