Backup source of DeviceOrientation (No. 1)

• Backup list
• View the diff.
• View the diff current.
• View the diff for visual.
• View the backup.
• Go to DeviceOrientation.
  • 1 (2013-06-07 (Fri) 15:55:47)

http://dev.w3.org/geo/api/spec-source-orientation.html