Firefox 3.0a1 passes the Acid2 test!


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Mozilla wasn't pressured by anyone. The reflow rewrite has been in progress for the past two years or so. It's only in the last week it's got to the stage where it could be merged onto the trunk.

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ive been playing with the 3.0 alpha nightly for two days now, its nice to see a browser progress so nicely over the years.

of course, there aren't really any changes that would otherwise appeal to the everyday user just yet. but, i guess that is to be expected.

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exactly what are the benefits of this ACID stuff

exactly what are the benefits of this ACID stuff

The ACID 2 test was written using some of the more obscure guidelines in the CSS 2 specification, those that many browsers at the time failed to render properly. To pass the test a browser must correct many rendering errors thus effectively enforcing standards-compliance (though not perfect). This in turn leads to better cross browser compatibility of webpages.

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There are no big benefits with being ACID2 conformant by itself; the major benefits comes from supporting technologies in reasonable use. One problem with the ACID2 test is that it covers the fringes of the CSS standard, and developers can have conflicting views on how (and even if, in case of e.g. non-standard data URL's) a standard should be implemented -- i.e. what exactly the details in W3C's wording should be. Sometimes the standard guidelines can be slightly fuzzy, and it would be quite futile for a user to judge a browser based on ACID2 compliance.

The Mozilla developers would likely agree about this, or otherwise Firefox 2 would have had a much bigger goal as complying to that test. Also keep in mind that the ACID2 test wasn't developed by the W3C but is a custom made one.

But I agree on that the ACID2 neveretheless covers many quite important technologies to support. It's nice to hear Firefox 3 will finally work with this test as well; it's about time it joined the club, given what the developers are striving to achieve with this browser.

Edited by Jugalator
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the data: URI's, while useful, were never standardized by the W3C (they are only a RFC), so failing that is a non-issue (there is a version of ACID2 without them)

But, i still think they are great, and wish IE supported them.

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