Bug 117071 MembersOrderPreferenceCache leaking a propertyChangeListener
20051109 org.eclipse.jdt.ui.PreferenceConstants#initializeDefaultValues adds a listener to JDT UI preference store but this is not deleted before shutdown.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java
*/
	public static final String EDITOR_BOLD_SUFFIX= "_bold"; 
	/**
	 * Preference key suffix for italic text style preference keys.
	 * 
	 * @since 3.0
	 */
	public static final String EDITOR_ITALIC_SUFFIX= "_italic"; 
	
	/**
	 * Preference key suffix for strikethrough text style preference keys.
	 * 
	 * @since 3.1
	 */
	public static final String EDITOR_STRIKETHROUGH_SUFFIX= "_strikethrough"; 
	
	/**
	 * Preference key suffix for underline text style preference keys.
	 * 
	 * @since 3.1
	 */
	public static final String EDITOR_UNDERLINE_SUFFIX= "_underline"; 
	/**
	 * A named preference that holds the color used to render multi-line comments.
	 * <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