Bug 2955. Workaround for lack of atomic operations in GCCE standard libraries (fall back to default use of Mutex)
StartDocument( standalone documentVersion="1.0" )
Comment( text="comment me" )
ProcessingInstruction( processingInstructionTarget="process" processingInstructionData="me" )
StartElement( name="nothing" qualifiedName="nothing" )
EndElement( name="nothing" qualifiedName="nothing" )
EndDocument( )