Bug 40788 [plan item] Configurable Next/Previous actions
Toolbar drop down, or editor specific control. Needs to be coordinated with Platform UI.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
protected final static String OVERVIEW_RULER= PreferenceConstants.EDITOR_OVERVIEW_RULER;
	
	protected final static String ERROR_INDICATION_IN_OVERVIEW_RULER= PreferenceConstants.EDITOR_ERROR_INDICATION_IN_OVERVIEW_RULER;
	
	protected final static String WARNING_INDICATION_IN_OVERVIEW_RULER= PreferenceConstants.EDITOR_WARNING_INDICATION_IN_OVERVIEW_RULER;
	
	protected final static String TASK_INDICATION_IN_OVERVIEW_RULER= PreferenceConstants.EDITOR_TASK_INDICATION_IN_OVERVIEW_RULER;
	
	protected final static String BOOKMARK_INDICATION_IN_OVERVIEW_RULER= PreferenceConstants.EDITOR_BOOKMARK_INDICATION_IN_OVERVIEW_RULER;
	
	protected final static String SEARCH_RESULT_INDICATION_IN_OVERVIEW_RULER= PreferenceConstants.EDITOR_SEARCH_RESULT_INDICATION_IN_OVERVIEW_RULER;
	
	protected final static String UNKNOWN_INDICATION_IN_OVERVIEW_RULER= PreferenceConstants.EDITOR_UNKNOWN_INDICATION_IN_OVERVIEW_RULER;
	
	private final static String COMPILER_TASK_TAGS= JavaCore.COMPILER_TASK_TAGS;
	
	private final static String BROWSER_LIKE_LINKS= PreferenceConstants.EDITOR_BROWSER_LIKE_LINKS;
	
	private final static String BROWSER_LIKE_LINKS_KEY_MODIFIER= PreferenceConstants.EDITOR_BROWSER_LIKE_LINKS_KEY_MODIFIER;
	/**
	 * Preference key for key modifier mask of browser like links.
	 * The value is only used if the value of <code>EDITOR_BROWSER_LIKE_LINKS</code>
	 * cannot be resolved to valid SWT modifier bits.
	 * 
	 * @since 2.1.1
	 */
	private final static String BROWSER_LIKE_LINKS_KEY_MODIFIER_MASK= PreferenceConstants.EDITOR_BROWSER_LIKE_LINKS_KEY_MODIFIER_MASK;
	
	protected final static char[] BRACKETS= { '{', '}', '(', ')', '[', ']' };