[Webkit-unassigned] [Bug 203442] New: calc() serialization doesn't match the spec

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=203442

            Bug ID: 203442
           Summary: calc() serialization doesn't match the spec
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: simon.fraser at apple.com

We fail a lot of calc() WPT because our serialization doesn't match the spec. There are a few problems:
* we fail to simplify calc(1 + -2) to calc(1 - 2)
* we don't sort the arguments
* we serialize min(a, b) as calc(min(a, b))
* we serialize calc(a + b + c) as calc(a + (b + c))

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