Re: [css4-background] use cases for 'border-corner-shape'?

On Sun, Mar 24, 2013 at 12:14 PM, L. David Baron <dbaron@dbaron.org> wrote:

> http://dev.w3.org/csswg/css4-background/#border-corner-shape appears
> to me to be an example of a feature that's addressing a problem that
> we don't have -- or at least that we don't have enough to be worth
> adding such a feature.  I think it should be removed.
>
> In particular, if there were demand for the bevel | curve | notch
> values, we'd be seeing authors using the equivalents of such values
> on significant numbers of Web sites.  So before agreeing to accept
> this new feature, I'd like to see examples of Web sites that are
> doing what these values would do.  Not something similar to what
> these values would do, but exactly what these values would do, or at
> least close enough that the author wouldn't care about the
> difference.
>

yes.
If this use case is important, it seems pretty limited in what it
accomplishes. Why not have a generic and easy way to do borders and sides
(defined in SVG?) that could to the same?