[Webkit-unassigned] [Bug 246321] New: Style invalidation bug with spans in table <col> elements

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=246321

            Bug ID: 246321
           Summary: Style invalidation bug with spans in table <col>
                    elements
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: abotella at igalia.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

Created attachment 462921

  --> https://bugs.webkit.org/attachment.cgi?id=462921&action=review

Test case for this bug

There seems to be a style invalidation bug when a <col> element in table layout has its `span` attribute change. If the col element was setting a background for the cells in the column, the change of the `span` attribute does not reflect in the background of the cells until the background for some of the col elements changes.

This is also a bug in Chromium: https://crbug.com/1373252

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