Backup diff of PubSubHubbub (No. 2)

• Backup list
• View the diff current.
• View the diff for visual.
• View the source.
• View the backup.
• Go to PubSubHubbub.
  • 1 (2017-04-21 (Fri) 22:30:03)
  • 2 (2017-04-30 (Sun) 23:04:53)

• The added line is THIS COLOR.
• The deleted line is THIS COLOR.

-  PubSubHubbubとは
--  https://unoh.github.io/2009/08/19/what-is-pubsubhubbub.html

* 応用 [#o1909a94]

- [[Mastodon]]