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Re: A List Apart: Articles: Prefix or Posthack

From: Simon Fraser <smfr@me.com>
Date: Thu, 08 Jul 2010 19:53:14 -0700
Cc: www-style@w3.org
Message-id: <0ADF8709-D3E2-4F68-8D65-BC9962D49E85@me.com>
To: "Eric A. Meyer" <eric@meyerweb.com>
On Jul 8, 2010, at 7:41 PM, Eric A. Meyer wrote:

> At 6:34 PM -0700 7/8/10, Boris Zbarsky wrote:
>> What makes you think it costs little?
>   I know you're asking Richard, but I'll step in and ask why it costs more than a little to do, in effect, this:
>   if (property == '-moz-box-shadow' || property == 'box-shadow') boxShadow();
> As it is, your choice to drop prefixed-property support is hostile to authors, and I'm having extreme difficulty understanding why you think it's a good idea to take that path.

The cost is much higher for properties with behavior that diverges between the prefixed property, and the non-prefixed property. Consider -webkit-gradient() vs. linear/radial-gradient(). Even for properties with syntax which is identical between the prefixed and non-prefixed versions, we may have to maintain behavioral differences.

And during standardization of a property, it's very common for the behavior of the property to change (box-shadow is a potential example).

Received on Friday, 9 July 2010 02:53:47 UTC

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