Bug 119331 Library - name space terminology and behavior
During BIRT 2.0 library feature review meeting the following change was decided. - Change the term namespace to 'prefix' - By default use the library name as the prefix ( namespace ); the dialog to input prefix should be prompted only if hte auto generated prefix is not unique.
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DNDUtil.java
{
			return CONTAIN_THIS;
		}
		
		
		
		
		
		
		
		
		else if ( validateContainer )
		
		{
			if ( targetHandle.getContainer( ) == null )
			{
				return CONTAIN_NO;
			}
			if ( !targetHandle.getContainer( )
					.getDefn( )
					.getSlot( targetHandle.getContainerSlotHandle( )
							.getSlotID( ) )
					.isMultipleCardinality( ) )
			{
				
				return CONTAIN_NO;
			}
			if ( targetHandle.getClass( ).equals( childHandle.getClass( ) ) )
			{