Update: This article is more or less misleading. According to Asa Dotzler ( ↓. The CSS Error is intentionally added by the “Web Standards Group” for Error handling test.

I read this news at kakkoi recently, following up on announcements at IEblog about their recent glorified claimed with IE8 ACID2 Milestone .

Acid 2

ie8 pass acid2 - acid2 failed w3cFor those who doesn’t know much bout CSS specifications. ACID2 is a standard CSS Test page maintained by The Web Standards groups. This is where Browser Vendor test their Browser CSS rendering capability. The first batch to pass this test is opera 9.1, icab (osx) & Firefox 3a.

The most popular browser vendor (Microsoft Internet Explorer) just pass this test for IE8 (a) Browser. I’m quite happy as Internet Explorer is a big liability to support by most web developer. Unfortunately The ACID2 Test pages FAILED W3C CSS2.1 Validations.

43 	 Parse Error - second two]
88 	.parser-container div 	Value Error : color orange is not a color value : orange
94 	.parser 	Property error doesn't exist : }
97 	.parser 	Property m rgin doesn't exist : 2em
97 	Parse error - Unrecognized };
99 	.parser 	Value Error : width only 0 can be a length. You must put an unit after your number : 200
100 	.parser 	Value Error : border Lexical error at line 96, column 38. Encountered: "e" (101), after : "! "error;
100 	.parser 	Value Error : border Parse error - Unrecognized }
101 	.parser 	Value Error : background Too many values or values are not recognized : red pink

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Filed under CSS, Internet Browser, OWNED

3 responses to “IE8 PASS ACID2 – ACID2 FAILED W3C

  1. Asa Dotzler

    Actually, ACID2 is supposed to have errors and edge cases. One of the major features of the test is determining how browsers handle error conditions.

  2. thanks for correction Asa, thats a news to me

  3. Are you testing it at the right link? A microsoft article states a supposed security issue involving something cross-domain related with sites where the original acid2 test resides.

    sites like this one – – shouldn’t be considered valid locations.

    here’s microsoft’s blog article:

    the offical acid2 test is here:

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