Bug 123736 Underline, linethrough, overline doesn't work for chart font.
Description: Underline, linethrough, overline doesn't work for chart font. Steps to teproduce: 1. Add a style, set its font. 2. Tick "underline", "linethrough" and "overline". 3. Preview. Font setting doesn't work.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/util/ChartUtil.java
if ( !original.isSetRotation( ) )
			{
				original.setRotation( source.getRotation( ) );
			}
			if ( !original.isSetSize( ) )
			{
				original.setSize( source.getSize( ) );
			}
			if ( !original.isSetWordWrap( ) )
			{
				original.setWordWrap( source.isWordWrap( ) );
			}
		}
	}
	/**
	 * Returns the string representation for given object. null for null object.
	 * 
	 * @param value
	 * @return
	 */
	public static String stringValue( Object value )
	{
		if ( value == null )
		{
			return null;
		}
		return String.valueOf( value );
	}
}