[Webkit-unassigned] [Bug 18724] New: Incorrect conjoining for Middle Korean jamo

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=18724

           Summary: Incorrect conjoining for Middle Korean jamo
           Product: WebKit
           Version: 526+ (Nightly build)
          Platform: Macintosh
               URL: http://i18nl10n.com/korean/jamo.html
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Minor
          Priority: P2
         Component: Text
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: chrajohn at alumni.indiana.edu


Middle Korean jamo (the individual parts of a hangul syllable block) that are
not used in modern Korean are not conjoined correctly.  The initial consonant
and vowel are combined into a syllable block, but any final consonant is left
as a stray jamo.

Example: ᄫᆞᆼ (U+112B,U+119E,U+11BC)

With the correct fonts, this should be rendered as a single syllable block, but
instead Webkit renders it as two units.

Cocoa text fields seem to get this right.  In fact, Safari renders the syllable
block correctly in the location and search fields, just not in actual web
content.

This is a minor issue of mostly academic/scholar interest.  However, the modern
Jeju dialect does use one vowel not found in standard Korean, ㆍ(arae-a).
 Thus, I get rendering errors for "Welcome", "daughter", and "man" on:
http://en.wikipedia.org/wiki/Jeju_dialect

(On the test page I linked to above, Webkit also incorrectly renders the
incomplete modern syllables.  This is a related but different issue - which
Cocoa text fields appear to get wrong as well.)


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