Bug 45638 [preferences] overwrite mode setting
Needs to be moved to Java>Editor>Typing.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java
* @see org.eclipse.jface.preference.PreferenceConverter
	 * @since 2.1
	 */
	public final static String EDITOR_LINK_COLOR= "linkColor"; 
	/**
	 * A named preference that controls whether hover tooltips in the editor are turned on or off.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public static final String EDITOR_SHOW_HOVER= "org.eclipse.jdt.ui.editor.showHover"; 
	/**
	 * A named preference that defines the hover shown when no control key is
	 * pressed.
	 * <p>Value is of type <code>String</code>: possible values are <code>
	 * EDITOR_NO_HOVER_CONFIGURED_ID</code> or
	 * <code>EDITOR_DEFAULT_HOVER_CONFIGURED_ID</code> or the hover id of a hover
	 * contributed as <code>javaEditorTextHovers</code>.
	 * </p>
	 * @see #EDITOR_NO_HOVER_CONFIGURED_ID
	 * @see #EDITOR_DEFAULT_HOVER_CONFIGURED_ID
	 * @see JavaUI
	 * @since 2.1
	 * @deprecated Will soon be removed - replaced by {@link #EDITOR_TEXT_HOVER_MODIFIERS}
	 */
	public static final String EDITOR_NONE_HOVER= "noneHover"; 
	/**
	 * A named preference that defines the hover shown when the
	 * <code>CTRL</code> modifier key is pressed.
	 * <p>Value is of type <code>String</code>: possible values are <code>