Re: [csswg-drafts] [css-values-4] Incomplete simplification of calculation sum node containing inverted sum nodes (#13020)

If I am not mistaken, this simplification can change the sign of zero:

```
-0 - (1 - 1)  =  -0 - 0  =  -0   // Without the simplification
-0 - (1 - 1)  =  -0 - 1 + 1  =  0   // With the simplification

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Received on Saturday, 9 May 2026 09:09:20 UTC