Re: [filter-effects] url() as pass-through on invalid reference?

On Fri, Jul 12, 2013 at 2:28 PM, Tab Atkins Jr. <jackalmage@gmail.com>wrote:

> On Fri, Jul 12, 2013 at 2:25 PM, Robert O'Callahan <robert@ocallahan.org>
> wrote:
> > I feel pretty strongly that the SVG behavior is not appropriate. I think
> any
> > sort of invalid 'filter' value, including a <filter> element with a child
> > element of unknown type, should cause the filtered element to be rendered
> > normally (i.e. 'filter' treated as 'none'). Otherwise I think introducing
> > new <fe> SVG element types does not get useful fallback.
>
> It doesn't get useful fallback in any case.  You can't provide a
> fallback filter.
>

In a lot of cases, "render as if there was no filter" is a good fallback.
"Render nothing" is rarely a useful fallback.

Rob
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