LANG-301 - Document cloneReset()

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/lang/trunk@491063 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/commons/lang/text/StrTokenizer.java

@@ -1099,6 +1099,7 @@ public Object clone() {
      * @throws CloneNotSupportedException if there is a problem cloning
      */
     Object cloneReset() throws CloneNotSupportedException {
+        // this method exists to enable 100% test coverage
         StrTokenizer cloned = (StrTokenizer) super.clone();
         if (cloned.chars != null) {
             cloned.chars = (char[]) cloned.chars.clone();