"http://example.org/text"
"Some text"
(list :updated (atom-parse-time "2024-03-23T01:02:04+0400")
- :summary "summary"))
+ :published (atom-parse-time "2024-03-23T01:02:04+0400")
+ :summary "Summary"))
(atom-add-html-entry
my-atom-feed
"A HTLM entry"