[Webkit-unassigned] [Bug 266697] New: Optimization idea: create range of characters with no font

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=266697

            Bug ID: 266697
           Summary: Optimization idea: create range of characters with no
                    font
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Text
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: vitor.roriz at apple.com
                CC: mmaxfield at apple.com

Other engines, like gecko, keep track of a range of code points that there is no Glyph Data available. For example, code points within the PUA block. We could do something similar and run a performance A/B test on it.

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