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Description
For both <style> and <link>, the "Create a CSS style sheet" algorithm is called with the CSS rules "left uninitialized". Neither of them seem to pass off the source text to the CSS specification.
<style> defines the concept of "style data", but never seems to indicate how this gets wired up to create CSS rules. <link> doesn't even do that.
Is this taken care of behind the scenes in some way by CSS? If so, we should add a note. If not, we've got a pretty glaring spec hole.
I guess at some point someone should call the algorithms in https://drafts.csswg.org/css-syntax/ ? /cc @tabatkins @SimonSapin