- From: Chris Lilley via GitHub <sysbot+gh@w3.org>
 - Date: Thu, 27 Oct 2022 18:46:16 +0000
 - To: public-css-archive@w3.org
 
Ah, I see the problem. The RCS productions in CSS Color 5 are linking to the definition of `<color>` in CSS Color 4 (which does not include RCS).
Yes, if `<color>` includes `rgb()` and 
```css
rgb( [ from <color> ]? [ <number> | <percentage> | none]{3} 
     [ / [<alpha-value> | none] ]?  )
```
then nesting is possible (and intended). 
We haven't yet discussed a limit on the degree of nesting.
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Received on Thursday, 27 October 2022 18:46:18 UTC