Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/util/ModelUtil.java
int ns = ( (ElementDefn) element.getDefn( ) ).getNameSpaceID( );
		if ( element.getName( ) != null
				&& ns != MetaDataConstants.NO_NAME_SPACE
				&& element.getContainerInfo( ).isManagedByNameSpace( ) )
			module.getNameSpace( ns ).insert( element );
	}
	/**
	 * Checks whether these is reference between <code>reference</code> and
	 * <code>referred</code>.
	 * 
	 * @param reference
	 * @param referred
	 * 
	 * @return <code>true</code> if there is reference. Otherwise
	 *         <code>false</code>.
	 */
	public static boolean isRecursiveReference( DesignElement reference,
			ReferenceableElement referred )
	{
		if ( reference == referred )
			return true;
		List backRefs = referred.getClientList( );
		List referenceElements = new ArrayList( );
		for ( int i = 0; i < backRefs.size( ); i++ )
		{
			BackRef backRef = (BackRef) backRefs.get( i );
			DesignElement tmpElement = backRef.getElement( );
			if ( tmpElement == reference )
				return true;
			if ( tmpElement instanceof ReferenceableElement )