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Microsoft's CSS Extensions

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Microsoft has outlined the CSS extensions whose support has changed in IE 8. These extensions, all prefixed with "-ms-" can be divided into two groups. The first group is to support the work in progress, CSS 3. Since these are still subject to change, Microsoft wants to distinguish between IE's current implementation and whatever form the final specification may take.

The second group of extensions replace the non-standard extensions that existed in previous versions of IE. As per the CSS 2.1 specification, these properties now have vendor-specific prefixes.

While some applaud Microsoft's commitment to web standards, there are a lot of mixed feelings over this change. Many echo's dman's concern:

Yeah. More broken websites in the name of "standards!" So essentially, I need to update all of my websites from overflow-y to -ms-overflow-y. But I can't remove the overflow-y because IE6 and IE7 need that. Then of course when IE8.1 or IE9 (whatever is next) comes around and supports CSS3, I need to revert back to overflow-y because now it will be standardized. But I can't remove -ms-overflow-y because IE8 needs it. Essentially, this change guarantees that websites will NOT be standards compliant for years! If you just leave it at overflow-y maybe people will complain until CSS3 is standardized, but at least after that the madness ends rather than just continuing for years to come.

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Community comments

  • Many echo's dman's concern

    by Stefan Wenig /

    Your message is awaiting moderation. Thank you for participating in the discussion.

    You may want to turn syntax checking on for your posts. Besides, here are the echoes I found for dman's comment (all of them):

    @dman.... read the post again [...]

    @dman: Read the text again [...]

    maybe you want to, er, read that text again?

  • Re: Many echo's dman's concern

    by Stefan Wenig /

    Your message is awaiting moderation. Thank you for participating in the discussion.

    and quit eating those linefeeds already, pls!

  • it is boring

    by Zhao jeason /

    Your message is awaiting moderation. Thank you for participating in the discussion.

    I have to study more materials apart from the standard CSS.
    I wonder why MS make this changes, just for funny? or want to be the top one?

Allowed html: a,b,br,blockquote,i,li,pre,u,ul,p

Allowed html: a,b,br,blockquote,i,li,pre,u,ul,p

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