[webkit-dev] Removing support for the -khtml- (and -apple-?) vendor prefixes

[Eric Seidel]

Please post a patch:
http://webkit.org/coding/contributing.html

On Mon, Jul 12, 2010 at 8:25 AM, Eric Seidel <eric at webkit.org> wrote:
> Sounds like an easy patch to post.  I'm in favor of removing this
> support.  Reducing the number of non-standard CSS properties we
> support seems like a good thing.
>
> -eric
>
> On Mon, Jul 12, 2010 at 1:53 AM, Peter Beverloo <peter at lvp-media.com> wrote:
>> Good day,
>>
>> While going through WebCore for some CSS research I'm currently doing,
>> I came across a piece of code[1] which translates all "-khtml-" and
>> "-apple-" vendor-prefixes to "-webkit-". This effectively means
>> "-apple-transform" and "-khtml-transform" can both be used instead of
>> "-webkit-transform". I am unaware of the rationales behind the apple
>> vendor-prefix, but I'd like to propose removing support for the
>> KHTML-prefix.
>>
>> My main argument for this is that WebKit and KHTML are, in my opinion,
>> two separate engines by two separate vendors. The port occurred eight
>> years ago, and code in both projects has changed significantly ever
>> since. When Microsoft announced support for "-webkit-text-size-adjust"
>> in IE Mobile it was argued that browsers should not implement
>> properties with prefixes "belonging" to other vendors, which seems to
>> be exactly what WebKit is doing with the KHTML prefix.
>>
>> I understand the history of supporting -khtml-, and have heard from
>> the KHTML project that they implement the -webkit- prefix as well.
>> However, considering that WebKit has grown significantly in the past
>> few years and that all code changes basically made KHTML and WebKit
>> two individual rendering engines, with individual CSS support, I
>> believe it would be appropriate for support to be dropped.
>>
>> Regards,
>> Peter Beverloo
>> http://peter.sh/
>>
>> [1] http://trac.webkit.org/browser/trunk/WebCore/css/CSSParser.cpp#L5583
>> [2] http://blogs.msdn.com/b/iemobile/archive/2010/05/10/javascript-and-css-changes-in-ie-mobile-for-windows-phone-7.aspx
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>