parent
parent, true
	private FieldEditor createSeverityLevelField(Composite parent){			RadioGroupFieldEditor editor= new RadioGroupFieldEditor(			PREF_ERROR_PAGE_SEVERITY_THRESHOLD,			RefactoringMessages.getString("RefactoringPreferencePage.show_error_page"), //$NON-NLS-1$			1,			new String[] [] {				{ RefactoringMessages.getString("RefactoringPreferencePage.fatal_error"), FATAL_SEVERITY }, //$NON-NLS-1$				{ RefactoringMessages.getString("RefactoringPreferencePage.error"), ERROR_SEVERITY }, //$NON-NLS-1$				{ RefactoringMessages.getString("RefactoringPreferencePage.warning"), WARNING_SEVERITY }, //$NON-NLS-1$				{ RefactoringMessages.getString("RefactoringPreferencePage.info"), INFO_SEVERITY } //$NON-NLS-1$			},			parent			);		return editor;		}