[Webkit-unassigned] [Bug 217221] New: Incorrect selection of elements in table

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=217221

            Bug ID: 217221
           Summary: Incorrect selection of elements in table
           Product: WebKit
           Version: Safari 14
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML Editing
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: vepomoc at gmail.com
                CC: wenson_hsieh at apple.com

Reproduction steps:

1. Open https://jsfiddle.net/Comandeer/s2b0nu3v/
2. Click on the buttons below the table.

Expected result:

Selection in <thead> should behave the same as in <tbody>.

Actual result:

Selection in <thead> seems to be broken – trying to select the last cell selects the whole row, except the last cell and trying to select the whole row does nothing. Additionally, trying to select the last cell in <tbody> also selects the whole table except the last cell. It works correctly in both Chrome and Firefox.

Selection in <thead> is also partially broken when using Selection#selectAllChildren: https://jsfiddle.net/Comandeer/s2b0nu3v/0 – in this case selecting the whole row in <thead> doesn't seem to do anything.

Safari version: 14.0 (15610.1.28.1.9, 15610)

Issue wasn't present in Safari 13.x.

Original bug report in CKEditor 4: https://github.com/ckeditor/ckeditor4/issues/4306

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