Bug 209106 BIRT - User properties defined in a library are not seen in properties view
In the attached library there is a grid container. The text control and the row of the table in the grid have two user properties each. We can see them in the library but not when we drag them in to a design. The property does not show up in the properties view
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/DesignElement.java
}
	/**
	 * Checks whether the <code>content</code> can be inserted to the slot
	 * <code>slotId</code> in another element <code>container</code>.
	 * 
	 * @param module
	 *            the module
	 * @param containerInfo
	 *            the container information
	 * @param content
	 *            the target element to be inserted
	 * @return a list containing exceptions.
	 */
	public List checkContent( Module module, ContainerContext containerInfo,
			DesignElement content )
	{
		return new ArrayList( );
	}
	/**
	 * Checks whether elements with the given element definition can be inserted
	 * to the slot <code>slotId</code> in another element
	 * <code>container</code>.
	 * 
	 * @param module
	 *            the module
	 * @param containerInfo
	 *            the container information
	 * @param defn
	 *            the element definition
	 * @return a list containing exceptions.