- From: Guillaume via GitHub <sysbot+gh@w3.org>
- Date: Mon, 21 Nov 2022 08:50:32 +0000
- To: public-css-archive@w3.org
> My assumption is that multple `src` descriptors are allowed if valid.
This would prevent seting/updating `src` via CSSOM, assuming such use case exists and that the specs explicitly supports this and defines what should happen.
I guess the current implementations register font source definitions when parsing `src` therefore multiple declarations are already accepted and none is ignored.
The author can already define multiple sources with comma-separated values:
```css
src: url("FallbackURLForBrowsersWhichDontSupportIncrementalLoading.woff2") format("woff2"),
url("MyIncrementallyLoadedWebFont.otf") format(opentype) tech(incremental);
```
> The [`src`](https://drafts.csswg.org/css-fonts-4/#descdef-font-face-src) descriptor value must be parsed according to section [CSS Syntax 3 ยง 5.3.11 Parse a comma-separated list of component values](https://drafts.csswg.org/css-syntax-3/#parse-comma-separated-list-of-component-values).
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Received on Monday, 21 November 2022 08:50:35 UTC