Bug 142104 Cannot place data set field on master page
Bugzilla 122419 says this is fixed. I am using RC2, and I can't insert a data set field in the master page header or footer.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dnd/InsertInLayoutUtil.java
this.dataSetColumn = dataSetColumn;
		}
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.birt.report.designer.internal.ui.dnd.InsertInLayoutUtil.InsertInLayoutRule#canInsert()
		 */
		public boolean canInsert( )
		{
			return getGroupContainer( container ) != null
					&& getGroupHandle( container ).getKeyExpr( ) == null
					&& ( getGroupContainer( container ).getDataSet( ) == getDataSetHandle( dataSetColumn ) || getGroupContainer( container ).getDataSet( ) == null );
		}
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.birt.report.designer.internal.ui.dnd.InsertInLayoutUtil.InsertInLayoutRule#getInsertPosition()
		 */
		public Object getInsertPosition( )
		{
			return null;
		}
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.birt.report.designer.internal.ui.dnd.InsertInLayoutUtil.InsertInLayoutRule#insert(java.lang.Object)
		 */
		public void insert( Object object ) throws SemanticException
		{
			Assert.isTrue( object instanceof ResultSetColumnHandle );