Bug 53201 NPE when re-running newly generated javadoc.xml
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javadocexport/JavadocOptionsManager.java
private IJavaElement[] fSelectedElements;
	private IJavaElement[] fInitialElements;
	private String fAccess;
	private String fDocletpath;
	private String fDocletname;
	private boolean fFromStandard;
	private String fStylesheet;
	private String fAdditionalParams;
	private String fVMParams;
	private String fOverview;
	private String fTitle;
	
	private String[] fHRefs;
	private IPath[] fSourcepath;
	private IPath[] fClasspath;
	private boolean fNotree;
	private boolean fNoindex;
	private boolean fSplitindex;
	private boolean fNonavbar;
	private boolean fNodeprecated;
	private boolean fNoDeprecatedlist;
	private boolean fAuthor;
	private boolean fVersion;
	private boolean fUse;
	
	private boolean fJDK14Mode;
	private boolean fOpenInBrowser;
	
	private RecentSettingsStore fRecentSettings;