Missing Documentation

STEPS:
1. Install qt-linux-opensource-5.0.0-rc1-x86_64-offline-2012-12-05-365.run on Ubuntu 12.04 64 bit.
2. Run qtcreator.
3. Go to Help -> Contents.
4. Try to open one of the following:

• Qt Core / C++ Classes / QtAlgorithms / List of all members
• Qt Core / C++ Classes / QtCore / List of all members
• Qt Core / C++ Classes / QtEndian / List of all members
• Qt Core / C++ Classes / QtPlugin / List of all members
• Qt Core / C++ Classes / QtAbstractEventDispatcher / List of all members
• Qt GUI / C++ Classes / QtAbstractTextDocumentLayout:PaintContext /
• Qt GUI / C++ Classes / QtAbstractTextDocumentLayout:Selection /
• Qt Widgets / C++ Classes / qdrawutil.h / List of all members
• Qt QML / C++ Classes / ListElement / List of all members
• Qt WebKit Documentation / Qt WebKit C++ Classes / QtWebElementCollection / List of all members

ACTUAL RESULT:
=====================================
The page could not be found!

...
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EXPECTED RESULT:

• No error message.
• Proper documentation is shown.

COMMENT:

• There may be more broken links.