Re: [svgwg] SVGAnimatedLength initial value for `fx` and `fy` (#1054)

Hmm my take on this

If attribute ‘fx’ is not specified, ‘fx’ will coincide with the presentational value of ‘cx’ for the element

The presentational value of cx if not specified is 50%, therefore fx should be 50% if cx is not specified.

In my opinion, we should just choose 50% as initial value in WebKit - that would let WPT progress and rendering wise it doesn't matter since we anyhow have to check at rendering time (after having resolved linked gradient chains) to what value fx resolves (either its specified value or whatever cx is).

WDYT?

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Received on Wednesday, 28 January 2026 23:41:38 UTC