Bug 176436 Charts Imported from Libraries do not update when libraries change
During a live presentation of BIRT at EclipseCon, we came across a rather embarassing issue. When charts are included in a library, and imported into a report design from a library, any changes to the library instance of the chart do not reflect in the report itself.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/elements/ExtendedItem.java
{
			setExtensionName( (String) value );
		}
		else
		{
			super.setIntrinsicProperty( propName, value );
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.core.DesignElement#validate(org.eclipse.birt.report.model.elements.ReportDesign)
	 */
	public List validate( Module module )
	{
		List list = super.validate( module );
		list
				.addAll( ExtensionValidator.getInstance( ).validate( module,
						this ) );
		return list;
	}
	/**
	 * Gets the effective extension element of this extended item.
	 * 
	 * @return the effective extension element
	 */
	public IReportItem getExtendedElement( )
	{
		if ( provider != null )
			return provider.getExtensionElement( );