[Bug 16328] Use of "containing block" does not match CSS2.1 definition

https://www.w3.org/Bugs/Public/show_bug.cgi?id=16328

--- Comment #20 from Simon Fraser <smfr@me.com> ---
Clipping is also hard to get right.

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Received on Friday, 21 October 2016 20:12:11 UTC