+* Display progress bar on updating counters.
+
+* Inhibit progress bar if stdout is not terminal.
+
+Version 0.0.16 (2018-03-22)
+---------------------------
+
+* Script ``ml-import.py`` displays progress bar.
+ Option ``-P`` prevents it.
+
+Version 0.0.15 (2017-04-26)
+---------------------------
+
+* Use m_lib.defenc instead of m_lib; install it from PyPI.
+