newsticker--cache-mark-expired

newsticker--cache-mark-expired is a compiled Lisp function in `newst-backend.el'.

(newsticker--cache-mark-expired DATA FEED OLD-AGE NEW-AGE TIME)

Mark all expired entries.
This function sets the age entries in DATA in the feed FEED. If
an item's age is OLD-AGE it is set to NEW-AGE if the item is
older than TIME.