[Webkit-unassigned] [Bug 146505] New: AX: VoiceOver concatenates consecutive math variables, making them unreadable

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=146505

            Bug ID: 146505
           Summary: AX: VoiceOver concatenates consecutive math variables,
                    making them unreadable
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: fred.wang at free.fr
                CC: webkit-bug-importer at group.apple.com

Compare the following:
data:text/html,<math><mrow><mi>d</mi><mi>y</mi></mrow></math>
data:text/html,<math><mrow><mi>x</mi><mi>d</mi><mi>y</mi></mrow></math>
data:text/html,<math><mrow><mi>d</mi><mi>x</mi><mi>d</mi><mi>y</mi></mrow></math>

Expected results:
VoiceOver should read "d y", "x d y" and "d x d y".

Actual results:
The letters in the two last items are concatenated into one word "xdy", "dxdy" and so unreadable.

Note: This bug appears in test 17 of the MathML torture test:
https://mdn.mozillademos.org/en-US/docs/Mozilla/MathML_Project/MathML_Torture_Test$samples/MathML_Torture_Test

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