Interestingly, the [SVG 1.1](https://www.w3.org/TR/SVG11/coords.html#TransformAttribute) grammar supports _one or more_ `comma-wsp` tokens, but Firefox seems to be the only browser that allows arbitrary commas in between functions (Edge allows up to 2 commas, but no more, Chrome only allows zero or one). We should definitely change to match reality where browsers are consistent (i.e., make the `comma-wsp` token optional in the grammar). For the inconsistent bit (excess separators), I would say the spec should be more restrictive (max one `wsp*-comma?-wsp*` sequence), so that content that matches the spec works in all browsers. -- GitHub Notification of comment by AmeliaBR Please view or discuss this issue at https://github.com/w3c/csswg-drafts/issues/3719#issuecomment-471582982 using your GitHub accountReceived on Monday, 11 March 2019 15:18:39 UTC
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