[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 #31 from Boris Zbarsky <bzbarsky@mit.edu> ---
No, that seems like it should make it safe to make the argument optional, in
the sense of everyone ending up with the same behavior as a result.  That's
great!

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Received on Tuesday, 28 March 2017 12:49:45 UTC