[Webkit-unassigned] [Bug 30508] New: [libxml2] parsing broken with libxml2 >= 2.7.6

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=30508

           Summary: [libxml2] parsing broken with libxml2 >= 2.7.6
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: XML
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: pnormand at igalia.com


Many layout tests are failing with recent versions of libxml2. Example:
fast/xsl/xslt-doc-enc.xml. After some investigation for that specific test it
turns out that some hacks are present in our libxml2 wrapper, like resetting
the encoding to utf-16 before parsing each chunk of data. Why is that? If i
remove that hack (copypasted in 2 places of the code), that test passes fine
but breaks other tests like fast/xpath/document-order.html. That test now fails
because we try to parse an xml document that has no preamble (<? xml
version="1.0" ?>). 

Note: the tests pass fine with libxml2 == 2.7.3

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