[Webkit-unassigned] [Bug 248384] New: Remove `ink` value from `text-decoration-skip`

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=248384

            Bug ID: 248384
           Summary: Remove `ink` value from `text-decoration-skip`
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ntim at apple.com
            Blocks: 248383

Currently, we support `none`/`auto`/`ink` for the `text-decoration-skip` shorthand. Currently, `ink` is an alias for `auto`.

However, the spec only defines 2 values: https://w3c.github.io/csswg-drafts/css-text-decor-4/#text-decoration-skipping

We should remove `ink`.

I expect web compat fallout to be close to none, given:
- `ink` has the same behavior as `auto` (which is the default value), so the only scenario this would cause a behavior change is if one ancestor style has `text-decoration-skip: none`
- Chrome has unshipped the entire `text-decoration-skip` property, Firefox does not support it.

For books, it would be trivial to patch this from a content script if really needed, although I suspect fallout is extremely small.


Referenced Bugs:

https://bugs.webkit.org/show_bug.cgi?id=248383
[Bug 248383] [meta] Get rid of CSS property implicit flag
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