Adding note on unexecutable code

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@794528 13f79535-47bb-0310-9956-ffa450edef68

Author: hen

src/java/org/apache/commons/codec/language/Metaphone.java

@@ -212,6 +212,7 @@ public String metaphone(String txt) {
                         break; // silent G
                     }
                     if (isPreviousChar(local, n, 'G')) {
+                        // NOTE: Given that duplicated chars are removed, I don't see how this can ever be true
                         hard = true ;
                     } else {
                         hard = false ;