Bug 88397 [5.0] OpenAction does not select whole ITypeParameter
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
}
	/**
	 * Text navigation action to navigate to the previous sub-word.
	 * 
	 * @since 3.0
	 */
	protected abstract class PreviousSubWordAction extends TextNavigationAction {
		protected JavaWordIterator fIterator= new JavaWordIterator();
		/**
		 * Creates a new previous sub-word action.
		 * 
		 * @param code Action code for the default operation. Must be an action code from @see org.eclipse.swt.custom.ST.
		 */
		protected PreviousSubWordAction(final int code) {
			super(getSourceViewer().getTextWidget(), code);
		}
		/*
		 * @see org.eclipse.jface.action.IAction#run()
		 */
		public void run() {
			
			final IPreferenceStore store= getPreferenceStore();
			if (!store.getBoolean(PreferenceConstants.EDITOR_SUB_WORD_NAVIGATION)) {
				super.run();
				return;				
			}
			
			final ISourceViewer viewer= getSourceViewer();
			final IDocument document= viewer.getDocument();
			fIterator.setText((CharacterIterator) new DocumentCharacterIterator(document));