[Webkit-unassigned] [Bug 16964] New: Ignore letter-spacing for cursive scripts

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=16964

           Summary: Ignore letter-spacing for cursive scripts
           Product: WebKit
           Version: 525+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Text
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: mitz at webkit.org


Per <http://www.w3.org/TR/2007/WD-css3-text-20070306/#letter-spacing>, "UAs may
apply letter-spacing to cursive scripts. In this case, UAs should extend the
space between disjoint graphemes as specified above and extend the visible
connection between cursively connected graphemes by the same amount (rather
than leaving a gap). The UA may use glyph substitution or other font
capabilities to spread out the letters. If the UA cannot expand a cursive
script without breaking the cursive connections, it should not apply
letter-spacing between grapheme clusters of that script at all".

Currently WebKit cannot expand cursive scripts without breaking the cursive
connections, so it should not apply letter-spacing at all.


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