[Webkit-unassigned] [Bug 15790] New: Ligatures aren't accounted for when manipulating VisiblePositions

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=15790

           Summary: Ligatures aren't accounted for when manipulating
                    VisiblePositions
           Product: WebKit
           Version: 523.x+ (nightly)
          Platform: Macintosh
        OS/Version: Mac OS X 10.4
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML Editing
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ap at webkit.org


E.g., pressing arrow keys in Devanagari text can make the current selection not
match what the user sees.

VisiblePosition calls (indirectly) into TextRenderer to find previous/next
position, but the latter simply asks ICU about character breaks, and has no
idea about font features.


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