atom_head
Action Hook: Fires just before the first Atom feed entry.
Source: wp-includes/feed-atom.php:44
atom_author
Action Hook: Fires at the end of each Atom feed author entry.
Source: wp-includes/feed-atom.php:65
atom_entry
Action Hook: Fires at the end of each Atom feed item.
Source: wp-includes/feed-atom.php:91
atom_ns
Action Hook: Fires at end of the Atom feed root to add namespaces.
Source: wp-includes/feed-atom.php:26