Bug 136270 Group's data binding column can only be used by the group itself
If you add some data binding columns to a group, these columns can only be used by this group itself. It should has a way to make the child can use the parent group's data binding column.
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DEUtil.java
{
			src = src.replaceAll( "\\&", "&&" ); 
		}
		return src;
	}
	/**
	 * Returns all font names for current system.
	 * 
	 * NOTES: Java 1.4 only support true type fonts.
	 * 
	 * @return font names.
	 */
	public static String[] getSystemFontNames( )
	{
		return getSystemFontNames( null );
	}
	/**
	 * Returns all font names for current system. NOTES: Java 1.4 only support
	 * true type fonts.
	 * 
	 * @param comparator
	 *            Sort comparator.
	 * @return font names.
	 */
	public static String[] getSystemFontNames( Comparator comparator )
	{
		GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment( );
		String[] fontNames = ge.getAvailableFontFamilyNames( );
		if ( comparator != null )
		{