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A comment on The Acid3 Test (2008). Parent comment

Re:The Acid3 Test (2008) by Sniffnoy on Friday January 18, 2019 @06:45PM (#18944201)
Do you know what changed regarding 23, 25, and 35, and why it was at the time considered correct to pass them, but now considered correct to fail them?
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Re:The Acid3 Test (2008) by jcranmer on Saturday January 19, 2019 @11:20AM (#18947711)
I gave the links in https://news.ycombinator.com/item?id=18942546 . Essentially, the exception being thrown changed in 23 and 25, and 35 was actually incorrect to begin with, but no one realized it until browsers started implementing Shadow DOM.
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Re:The Acid3 Test (2008) by kevindong on Friday January 18, 2019 @06:58PM (#18944274)
You can see details by loading the test page and then clicking on the 'A' of 'Acid3'.
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Re:The Acid3 Test (2008) by ehsankia on Friday January 18, 2019 @07:25PM (#18944384)
That's not super helpful, for example 25 just says "wrong exception". The original commenter seemed to know exactly why these 3 specific tests were failing, I'm also curious what specific specs changed that are no longer true.
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