Bug 198434 && operator shows up as & in expression builder
Build ID: I20070621-1340 Steps To Reproduce: 1. open an expression in the expression builder 2. select Operators->Logical->&& 3. the preview of the operator, above the Category label, reads "&" instead of "&&" More information:
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ExpressionBuilder.java
target = subCategoryTable;
			}
			else if ( event.getSource( ) == subCategoryTable )
			{
				target = functionTable;
			}
			if ( target != null )
			{
				target.setInput( selection.getFirstElement( ) );
			}
			if ( event.getSource( ) == functionTable )
			{
				Table table = functionTable.getTable( );
				if ( table.getSelectionCount( ) == 1 )
				{
					messageLine.setText( table.getSelection( )[0].getText( ) );
				}
				else
				{
					messageLine.setText( "" );	
				}
			}
		}
	};
	private ITableLabelProvider tableLabelProvider = new ITableLabelProvider( ) {
		public Image getColumnImage( Object element, int columnIndex )
		{
			return provider.getImage( element );
		}
		public String getColumnText( Object element, int columnIndex )