Bug 77701 'enum' declaration entry should not appear in 'Line wrapping' page of code formatter dialog preferences
JDT/Core code formatter does not support alignements for enums. So, it should not exist any entries for 'enum' declaration in code formatter preferences dialog...
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/formatter/LineWrappingTabPage.java
protected Button fForceSplit;
	protected CompilationUnitPreview fPreview;
	protected Group fOptionsGroup;
	/**
	 * A collection containing the categories tree. This is used as model for the tree viewer.
	 * @see TreeViewer
	 */
	private final List fCategories;
	
	/**
	 * The category listener which makes the selection persistent.
	 */
	protected final CategoryListener fCategoryListener;
	
	/**
	 * The current selection of elements. 
	 */
	protected IStructuredSelection fSelection;
	
	/**
	 * An object containing the state for the UI.
	 */
	SelectionState fSelectionState;
	
	/**
	 * A special options store wherein the preview line width is kept.
	 */
	protected final Map fPreviewPreferences;
	
	/**