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
/**
	 * The id of the best match hover contributed for extension point
	 * <code>javaEditorTextHovers</code>.
	 *
	 * @since 2.1
	 */
	public static final String ID_BESTMATCH_HOVER= "org.eclipse.jdt.ui.BestMatchHover"; 
	/**
	 * The id of the source code hover contributed for extension point
	 * <code>javaEditorTextHovers</code>.
	 *
	 * @since 2.1
	 */
	public static final String ID_SOURCE_HOVER= "org.eclipse.jdt.ui.JavaSourceHover"; 
	/**
	 * The id of the javadoc hover contributed for extension point
	 * <code>javaEditorTextHovers</code>.
	 *
	 * @since 2.1
	 */
	public static final String ID_JAVADOC_HOVER= "org.eclipse.jdt.ui.JavadocHover"; 
	/**
	 * The id of the problem hover contributed for extension point
	 * <code>javaEditorTextHovers</code>.
	 *
	 * @since 2.1
	 * @deprecated as of 3.0, this hover is no longer available
	 */
	public static final String ID_PROBLEM_HOVER= "org.eclipse.jdt.ui.ProblemHover"; 
	/**