Revision history for this software.

0.02  2020-07-12 00:00:00
  - fix test scripts on MSWin32 but not MBCS
  - fix running on Microsoft Windows of detect_system_encoding
  - created by INABA Hitoshi

0.01  2020-07-07 00:00:00
  - original version
  - created by INABA Hitoshi