private String extractTitle(String body) {
            if (body == null) return null;
            StringTokenizer strTok = new StringTokenizer(body, " ");
            String title = "";
            while (strTok.hasMoreTokens()) {
                String word = strTok.nextToken();
                if (word.startsWith("b")) title += word + " ";
            }
            return title;
        }
Simple test case for testing that processing of both documents and
document updates works.

@author Einar M R Rosenvinge
docproc/src/test/java/com/yahoo/docproc/ProcessingUpdateTestCase.java