Bug 109562 [code manipulation] "Sort Members" reorders the enum constants in enums.
Irrespective of the settings of preferences controlling Sort Members, it should not reorder enum constants because their order has semantic significance.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/PreferencesMessages.java
public static String JavaEditorPreferencePage_backgroundColor;
	public static String JavaEditorPreferencePage_systemDefault;
	public static String JavaEditorPreferencePage_custom;
	public static String JavaEditorPreferencePage_semanticHighlighting_option;
	public static String JavaEditorPreferencePage_foreground;
	public static String JavaEditorPreferencePage_color;
	public static String JavaEditorPreferencePage_bold;
	public static String JavaEditorPreferencePage_italic;
	public static String JavaEditorPreferencePage_strikethrough;
	public static String JavaEditorPreferencePage_underline;
	public static String JavaEditorPreferencePage_enable;
	public static String JavaEditorPreferencePage_preview;
	public static String JavaEditorPreferencePage_displayedTabWidth;
	public static String JavaEditorPreferencePage_insertSpaceForTabs;
	public static String JavaEditorPreferencePage_showOverviewRuler;
	public static String JavaEditorPreferencePage_highlightMatchingBrackets;
	public static String JavaEditorPreferencePage_highlightCurrentLine;
	public static String JavaEditorPreferencePage_showPrintMargin;
	public static String JavaEditorPreferencePage_printMarginColumn;
	public static String JavaEditorPreferencePage_insertSingleProposalsAutomatically;
	public static String JavaEditorPreferencePage_showOnlyProposalsVisibleInTheInvocationContext;
	public static String JavaEditorPreferencePage_presentProposalsInAlphabeticalOrder;
	public static String JavaEditorPreferencePage_coloring_element;
	public static String JavaEditorPreferencePage_enableAutoActivation;
	public static String JavaEditorPreferencePage_automaticallyAddImportInsteadOfQualifiedName;
	public static String JavaEditorPreferencePage_completionInserts;
	public static String JavaEditorPreferencePage_completionOverwrites;
	public static String JavaEditorPreferencePage_completionToggleHint;
	public static String JavaEditorPreferencePage_fillArgumentNamesOnMethodCompletion;
	public static String JavaEditorPreferencePage_guessArgumentNamesOnMethodCompletion;