Bug 65389 '#' should be a default auto activation trigger for javadoc content assist
'#' should be a default auto activation trigger for javadoc content assist, since we offer code assist in situations like /** @see Vector#<caret_here> */. IMO, we should make all these characters auto activation triggers: "@#.<".
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java
* </p>
	 *
	 * @since 2.1
	 */	
	public static final String TEMPLATES_USE_CODEFORMATTER= "org.eclipse.jdt.ui.template.format"; 
	
	/**
	 * A named preference that controls which profile is used by the code formatter.
	 * <p>
	 * Value is of type <code>String</code>.
	 * </p>
	 *
	 * @since 3.0
	 */	
	public static final String FORMATTER_PROFILE = "formatter_profile"; 
	
	/**
	 * A named preference that controls whether annotation roll over is used or not.
	 * <p>
	 * Value is of type <code>Boolean</code>. If <code>true<code> the annotation ruler column
	 * uses a roll over to display multiple annotations
	 * </p>
	 * 
	 * @since 3.0
	 */
	public static final String EDITOR_ANNOTATION_ROLL_OVER= "editor_annotation_roll_over"; 
	
	/**
	 * A named preference that controls if content assist inserts the common
	 * prefix of all proposals before presenting choices.