Report Lexicon statistics after bulk indexing.

lib/python/Products/ZCTextIndex/tests/mhindex.py

@@ -303,6 +303,9 @@ class Indexer:
             self.updatefolder(f, f.listmessages())
             print "Total", len(self.docpaths)
         self.pack()
+        print "Indexed", self.index.lexicon._nbytes, "bytes and",
+        print self.index.lexicon._nwords, "words;",
+        print len(self.index.lexicon._words), "unique words."
 
     def updatefolder(self, f, msgs):
         done = 0