Bug 6146 Java Editor Preference Page is missing most of the mnemonics
summary says it all.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/JavaEditorPreferencePage.java
new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, ContentAssistPreference.PROPOSALS_FOREGROUND),
		new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, ContentAssistPreference.PARAMETERS_BACKGROUND),
		new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, ContentAssistPreference.PARAMETERS_FOREGROUND),
		new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, ContentAssistPreference.AUTOACTIVATION_TRIGGERS_JAVA),
		new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, ContentAssistPreference.AUTOACTIVATION_TRIGGERS_JAVADOC),
		new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN, ContentAssistPreference.SHOW_VISIBLE_PROPOSALS),
		new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN, ContentAssistPreference.ORDER_PROPOSALS),
		new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN, ContentAssistPreference.CASE_SENSITIVITY),
		new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN, ContentAssistPreference.ADD_IMPORT)
		
	};
	
	private final String[][] fListModel= new String[][] {
		{ "Multi-line comment", IJavaColorConstants.JAVA_MULTI_LINE_COMMENT },
		{ "Single-line comment", IJavaColorConstants.JAVA_SINGLE_LINE_COMMENT },
		{ "Keywords", IJavaColorConstants.JAVA_KEYWORD },
		{ "Strings", IJavaColorConstants.JAVA_STRING },
		{ "Others", IJavaColorConstants.JAVA_DEFAULT },
		{ "JavaDoc keywords", IJavaColorConstants.JAVADOC_KEYWORD },
		{ "JavaDoc HTML tags", IJavaColorConstants.JAVADOC_TAG },
		{ "JavaDoc links", IJavaColorConstants.JAVADOC_LINK },
		{"JavaDoc others", IJavaColorConstants.JAVADOC_DEFAULT }
	};
	
	private OverlayPreferenceStore fOverlayStore;
	private JavaTextTools fJavaTextTools;
	
	private Map fColorButtons= new HashMap();
	private SelectionListener fColorButtonListener= new SelectionListener() {
		public void widgetDefaultSelected(SelectionEvent e) {