This is an archived snapshot of W3C's public bugzilla bug tracker, decommissioned in April 2019. Please see the home page for more details.
Section 7.1 refers to the data() function for accessing CSS variables, but the linked spec says that function is called var() <http://dev.w3.org/csswg/css-variables/#using-variables>
http://dvcs.w3.org/hg/webcomponents/rev/f219dbb1370c