[Webkit-unassigned] [Bug 53044] New: CJK word segmentation does not work

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=53044

           Summary: CJK word segmentation does not work
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Text
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: xji at chromium.org


Created an attachment (id=79969)
 --> (https://bugs.webkit.org/attachment.cgi?id=79969&action=review)
test case

Open the attached test case.

The word segmentation for most ports does not work for CJK languages. 
The correct segmentation when cursor is at every character boundary is the one in "title" attribute.
But the word segmentation result for most ports is single character each word.

For those ports that use ICU,
ICU bug to upstream Chrome's CJK segmentation patch is http://bugs.icu-project.org/trac/ticket/2229
After upstream and Apple picks it up in next version of Mac OS X, Mac and Win port will work correctly.

But there are webkit ports that do not use ICU (e.g. Qt, GTK), in which the port itself should take care of the word segmentation.

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