Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/PropertyCommand.java
throw new SemanticError( element, new String[]{prop.getName( ),
					refValue.getName( )},
					SemanticError.DESIGN_EXCEPTION_INVALID_ELEMENT_REF );
		return retValue;
	}
	/**
	 * Sets the value of an intrinsic property.
	 * 
	 * @param prop
	 *            definition of the property to set
	 * @param value
	 *            the property value to set.
	 * @throws SemanticException
	 *             if failed to set property.
	 */
	private void setIntrinsicProperty( ElementPropertyDefn prop, Object value )
			throws SemanticException
	{
		String propName = prop.getName( );
		if ( IDesignElementModel.NAME_PROP.equals( propName ) )
		{
			String name = (String) value;
			NameCommand cmd = new NameCommand( module, element );
			cmd.setName( name );
		}
		else if ( IDesignElementModel.EXTENDS_PROP.equals( propName ) )
		{
			ExtendsCommand cmd = new ExtendsCommand( module, element );
			cmd.setExtendsRefValue( (ElementRefValue) value );
		}