[Webkit-unassigned] [Bug 120887] New: unicode-bidi: plaintext is treating embedded unicode-bidi: isolate incorrectly

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=120887

           Summary: unicode-bidi: plaintext is treating embedded
                    unicode-bidi: isolate incorrectly
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Keywords: BlinkMergeCandidate
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rniwa at webkit.org
                CC: mitz at webkit.org, enrica at apple.com, mmaxfield at apple.com


Consider merging https://chromium.googlesource.com/chromium/blink/+/94d6a1596c23fd75bfb3ea0944c57ce28aee7d1b

In the CSS Writing Modes specification:
for the purpose of bidi resolution in its containing bidi paragraph,
the sequence is treated as if it were a single Object Replacement Character (U+FFFC).

However Blink does not treat the isolated sequence as if it were a U+UFFFC.
This patch adds a new method called bidiFirstSkippingIsolated that is used to get the
first nested bidi not isolated.

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