Bug 148761 Unable to copy a report item from template to report
Steps: 1. Create a template, add a Text item "t1" or others 2. Create template item using "t1" 3. Double click the template item and we get a report item again. 4. We copy the item, paste to another report file. Expected: the text item can be copied. Actual result: Nothing happened, not copied and no error msg.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/metadata/SlotDefn.java
*/
	private String selector = null;
	/**
	 * The collection of semantic validation triggers.
	 */
	private SemanticTriggerDefnSet triggers = null;
	/**
	 * The BIRT release when this slot was introduced.
	 */
	private String since;
	/**
	 * The XML element name used to identify slot contents. Will be blank if the
	 * slot is anonymous.
	 */
	private String xmlName;
	/**
	 * Status whether name of the contents in this slot will be added to the
	 * namespace in module. True, add the name of the contents to namespace,
	 * otherwise not add names to namespace.
	 */
	private boolean isManagedByNameSpace = true;
	/**
	 * Returns the slot cardinality.
	 * 
	 * @return true if the cardinality is multiple, false if it is single
	 */
	public boolean isMultipleCardinality( )
	{
		return multipleCardinality;
	}