Source files for blog posts: http://tlzprgmr.wordpress.com/2008/02/02/using-the-ifilter-interface-to-extract-text-from-documents/ http://tlzprgmr.wordpress.com/2008/02/19/ifilters-part-2-using-word-breakers/ http://tlzprgmr.wordpress.com/2008/03/14/ifilter-part-3-using-word-stemmers/