[Webkit-unassigned] [Bug 11389] New: CSS: Attribute selectors should be case-sensitive by default and only be case-insensitive for certain attributes values

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=11389

           Summary: CSS: Attribute selectors should be case-sensitive by
                    default and only be case-insensitive for certain
                    attributes values
           Product: WebKit
           Version: 420+ (nightly)
          Platform: Macintosh
               URL: http://www.css3.info/selectors-test/
        OS/Version: Mac OS X 10.4
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at opendarwin.org
        ReportedBy: niels.leenheer at gmail.com


Current behavoir:
The values of all attributes are compared by using a case-insensitive method.

Correct behavoir:
The CSS specification says that the case-sensitivity is determined by the
document language. The HTML specification specifically tells us which
attributes are case-sensitive, case-neutral or case-insensitive. Because
attributes values are case-sensitive by default, we should treat unknown
attributes in a case-sensitive way. 

The list of case-insensitive attributes is as follows:
lang, dir, http-equiv, text, link, vlink, alink, compact, align, frame, rules,
valign, scope, axis, nowrap, hreflang, rel, rev, charset, codetype, declare,
valuetype, shape, nohref, media, bgcolor, clear, color, face, noshade,
noresize, scrolling, target, method, enctype, accept-charset, accept, checked,
multiple, selected, disabled, readonly, language, defer, type

See also the following bugs:
http://bugzilla.mozilla.org/show_bug.cgi?id=357614
http://bugzilla.mozilla.org/show_bug.cgi?id=356936
http://bugs.kde.org/show_bug.cgi?id=135505

and

http://rakaz.nl/item/css_selector_bugs_case_sensitivity


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