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[cssom] CSSRule.parentRule and CSSRule.parentStyleSheet should return a "CSSRule?"

From: Boris Zbarsky <bzbarsky@MIT.EDU>
Date: Fri, 31 Aug 2012 17:19:08 -0400
Message-ID: <50412A4C.7000501@mit.edu>
To: www-style@w3.org
In particular, it can return null in various cases; lots of rules don't 
have a parent rule, and in some cases rules are not associated with a 
stylesheet.

-Boris
Received on Friday, 31 August 2012 21:19:36 GMT

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