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.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/ImportLibraryDialog.java
canFinish = true;
					messageLine.setText( "" );
				}
				if ( canFinish )
				{
					messageLine.setImage( null );
				}
				else
				{
					messageLine.setImage( ERROR_ICON );
				}
				getOkButton( ).setEnabled( canFinish );
			}
		} );
		messageLine = new CLabel( composite, SWT.NONE );
		messageLine.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		return composite;
	}
	protected boolean initDialog( )
	{
		namespaceEditor.setText( UIUtil.convertToGUIString( namespace ) );
		return true;
	}
	protected void okPressed( )
	{
		setResult( namespace );
		super.okPressed( );
	}
}