Notes that feeds arrived in, or vanished from, a parent folder.
An arrival changes the parent listing rather than anything inside the
feed, which is why this takes the folders as well: a feed shared to this
identity adds a row to a folder that may itself be perfectly fresh.
Notes that feeds arrived in, or vanished from, a parent folder.
An arrival changes the parent listing rather than anything inside the feed, which is why this takes the folders as well: a feed shared to this identity adds a row to a folder that may itself be perfectly fresh.