[Bug 27384] CSSStyleSheet.insertRule's index argument should be optional with default 0

https://www.w3.org/Bugs/Public/show_bug.cgi?id=27384

--- Comment #22 from Philip Jägenstedt <philipj@opera.com> ---
That's great! Off-topically, did you get many regressions from content where
f(x, undefined) changed behavior?

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Received on Wednesday, 26 November 2014 19:13:06 UTC