[Webkit-unassigned] [Bug 20776] New: Incompatibility with FF when handle 'object' tag

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=20776

           Summary: Incompatibility with FF when handle 'object' tag
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
               URL: http://j2e.com/new&beta
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: feng.qian.webkit at gmail.com


The  reported URL works in FF and not in Safari. The expected behavior in FF is
that, after editing the text area, and close the window, it should alert the
user whether s/he wants to discard changes.

In Safari, the JS code of 'document.j2e.changed()' throws an exception because
'document.j2e' is undefined. The HTML source is incorrect in this case. It
looks like

<object id="j2e" ... >
<param> ...
<param>

some text here

It misses </object> to close the tag. WebKit determines that an
HTMLObjectElement is not a docNamedNode (see code in
HTMLObjectElement::updateDocNamedItem) because it thinks
the object element has child that's text node and with non-whitespace texts.

I did further test by closing <object> with </object>, but put some text
between, or put a non-param tag between. FF allows 'document.j2e' but Safari
doesn't.

After chatting with Maciej in IRC channel, he mentioned the rule for
HTMLObjectElement was to handle a common error (?) that <embed> element is put
between <object> and </object>.


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