Backup source of MPNG (No. 1)

• Backup list
• View the diff.
• View the diff current.
• View the diff for visual.
• View the backup.
• Go to MPNG.
  • 1 (2021-07-27 (Tue) 02:21:46)

- http://libpng.download/documents/proposals/history/png-mpng-proposal-20070411.txt