:lang(en-GB), lang="en-US"

 

This test failed because it relies on :lang for results, but :lang is not supported by this browser.

A :lang value and a lang attribute value will NOT match if their region subtags differ.

This tests a detail related to :lang support. If :lang is not supported, a message will appear and the test will fail.

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HTML5

css3-selectors-lang-010
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