Backup source of DVI (No. 1)

• Backup list
• View the diff.
• View the diff current.
• View the diff for visual.
• View the backup.
• Go to DVI.
  • 1 (2014-09-06 (Sat) 19:04:41)
  • 2 (2014-09-23 (Tue) 12:52:26)

- DVI format
--  http://akagi.ms.u-tokyo.ac.jp/dvi.html