[Webkit-unassigned] [Bug 153984] New: The Operator Dictionary lack entries for U+1EEF0 and U+1EEF1

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=153984

            Bug ID: 153984
           Summary: The Operator Dictionary lack entries for U+1EEF0 and
                    U+1EEF1
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: MathML
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: fred.wang at free.fr
                CC: khaledhosny at eglug.org

These are mentioned on http://www.unicode.org/charts/PDF/U1EE00.pdf referred by the MathML 3 recommendation, but absent from their suggested operator dictionary. I don't think any math font supports them yet.

Stretching operators
The following operators stretch based on the width of the text that is displayed below or above them.
1EEF0 ARABIC MATHEMATICAL OPERATOR MEEM WITH HAH WITH TATWEEL
  • used in Arabic mathematics to denote summation
  • stretched at the tatweel
  → 2211 ∑  n-ary summation
1EEF1 ARABIC MATHEMATICAL OPERATOR HAH WITH DAL
  • used in Persian mathematics to denote limits
  • stretched between the hah and the dal

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