Bug 154828 Item from library contant user properties can't delete
Details: Item from library contant user properties can't delete Step: 1.New a library. 2.Add a label and add a user properites. 3.Public the library. 4.New a report design and use the library 5.Drop the label from library explorer into layout. 6.Try to delete it. Actual result: The label from library contant user properties can't be delete. Exception reuslt: The label can be delete.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/ContentCommand.java
}
		catch ( NameException e )
		{
			stack.rollback( );
			throw e;
		}
		stack.commit( );
	}
	/**
	 * Sets name of group element.
	 * 
	 * @param content
	 *            group element.
	 * @param stack
	 *            activity stack.
	 * @param name
	 *            new group name.
	 */
	private void setGroupName( DesignElement content, ActivityStack stack,
			String name )
	{
		if ( name != null && !name.equals( content.getName( ) ) )
		{
			PropertyRecord propertyRecord = new PropertyRecord( content,
					IGroupElementModel.GROUP_NAME_PROP, name );
			stack.execute( propertyRecord );
		}
	}
	/**
	 * Determines if the slot can contain a given element with considering the