[webkit-dev] Question on standards mode vs. site compatibility

[Darin Adler]

On Nov 2, 2009, at 11:19 PM, Chris Evans wrote:

> Whilst mining a large list of URLs, I came across some sites that render incorrectly in WebKit but fine in IE.
> 
> It turns out there exist some sites which declare themselves standards complaint in their HTML via their DTD. These sites then proceed to try and load CSS resources with the incorrect MIME type. This promptly fails due to standards mode.
> 
> e.g.
> http://web.pcc.gov.tw/ uses application/x-pointplus
> http://www.emart.co.kr/index.jsp uses application/css
> http://www.fotocolombo.it/shop/index.php uses text-css (note the hyphen in place of a slash)
> application/octet stream also appears to be a favourite.

That's unfortunate. Out of curiosity, how do these sites behave in Firefox?

> What is "enforceCSSMIMETypeInStrictMode()"? Is it a global setting or is there some per-page metadata somewhere?

It’s a setting for applications. For web browsers it is set to true. It is not per-page.

> We can relax the MIME type list we enforce for "strict mode" without breaking ACID3, although I'm not even sure that's desirable? Is it worth me worrying about this at all or is the correct solution that these sites are just broken and need to fix themselves at some stage? (Pragmatically, I worry that these sites will never fix themselves so users of WebKit-based browsers are SOL).

Sounds like a tough choice. It would be unfortunate to have to have a white list of sites that violate this rule.

    -- Darin

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