[Bug 15133] Please explain how hidden=true interacts with plugin loading. Should it be treated as display:none?

https://www.w3.org/Bugs/Public/show_bug.cgi?id=15133

--- Comment #2 from Ian 'Hixie' Hickson <ian@hixie.ch> 2012-01-31 22:55:54 UTC ---
Well first, hidden=true is bogus. hidden="" is a boolean attribute, meaning
it's either present or absent, and its value, if any, has to be the same as its
name.

But that's irrelevant here since this is a legacy page, not a page using the
new hidden="" attribute.

If we have to address this, I propose doing it by changing the [hidden] rule in
ua.css to:

   [hidden]:not(object):not(embed), ... { }

   object[hidden], embed[hidden] { width: 0; height: 0; }
   object[hidden] { overflow: hidden; }

...in the ua.css file.

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Received on Tuesday, 31 January 2012 22:55:56 UTC