[bugfix] OrderedValueSequence.toNodeSet needs to handle in-memory nodes somehow or users will run into ClassCastExceptions. This is not a final solution and can be dropped once the NodeProxy redesign is complete.
[bugfix] OrderedValueSequence.toNodeSet needs to handle in-memory nodes somehow or users will run into ClassCastExceptions. This is not a final solution and can be dropped once the NodeProxy redesign is complete.

svn path=/trunk/eXist/; revision=7355

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