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
* A named preference that controls if the overview ruler is shown in the UI.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 * @deprecated as of 3.0 replaced by {@link org.eclipse.ui.texteditor.ExtendedTextEditorPreferenceConstants}
	 */
	public final static String EDITOR_OVERVIEW_RULER= "overviewRuler"; 
	/**
	 * A named preference that controls if the line number ruler is shown in the UI.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 * @deprecated as of 3.0 replaced by {@link org.eclipse.ui.texteditor.ExtendedTextEditorPreferenceConstants}
	 */
	public final static String EDITOR_LINE_NUMBER_RULER= "lineNumberRuler"; 
	/**
	 * A named preference that holds the color used to render line numbers inside the line number ruler.
	 * <p>
	 * Value is of type <code>String</code>. A RGB color value encoded as a string
	 * using class <code>PreferenceConverter</code>
	 * </p>
	 * 
	 * @see org.eclipse.jface.resource.StringConverter
	 * @see org.eclipse.jface.preference.PreferenceConverter
	 * @see #EDITOR_LINE_NUMBER_RULER
	 * @deprecated as of 3.0 replaced by {@link org.eclipse.ui.texteditor.ExtendedTextEditorPreferenceConstants}
	 */
	public final static String EDITOR_LINE_NUMBER_RULER_COLOR= "lineNumberColor"; 
	/**
	 * A named preference that holds the color used to render linked positions inside code templates.