[Webkit-unassigned] [Bug 35643] New: [Qt] Use of 'serif' and 'sans-serif' in css overrides higher priority font families if present

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=35643

           Summary: [Qt] Use of 'serif' and 'sans-serif' in css overrides
                    higher priority font families if present
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Other
        OS/Version: Mac OS X 10.5
            Status: NEW
          Keywords: Qt
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: vestbo at webkit.org


This bug report originated from issue QTBUG-6730
http://bugreports.qt.nokia.com/browse/QTBUG-6730

--- Description ---

In css stylesheets, if you include the 'serif' or 'sans-serif' font families in
your font hierarchy they will be used, regardless of priority.  For example:

<p>font-family: "Lucida Grande", "Lucida Sans Unicode", Trebuchet, Tahoma,
sans-serif</p>

<p>Although the Lucida Grande font is present, Webkit uses the system
sans-serif font for text rendering.  If you simply remove the sans-serif, the
correct font (Lucida Grande) is used:</p>

<p>font-family: "Lucida Grande", "Lucida Sans Unicode", Trebuchet, Tahoma</p>

<p>Note that is behavior only occurs with the 'serif' and sans-serif (default)
fonts.  Our workaround is just to not specify serif or sans-serif as backup
fonts and just assume that one of the previously listed fonts will be present. 
A few other comments:</p>

<ul class="alternate" type="square">
    <li>This bug only appears for Qt 4.6.0.  The css stylesheets worked
properly on previous versions of Qt.</li>
    <li>The bug is identical on mac and windows.</li>
    <li>The bug does NOT appear with the latest version of Safari (4.0.3) which
also uses WebKit .</li>
</ul>


--- Comments ---

Am I right that this issue with with Webkit, and not with the QTextDocument or
the QWidget stylesheet?
In this case, it should be reported on bugs.webkit.org in the QtWebkit Qt
component

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