newsticker: Marking

 
 5.3 Marking
 ===========
 
 The following key bindings are provided in both, the Treeview as well as
 the Plainview.
 
 ‘o’
      Mark current item as old.
      (‘newsticker-mark-item-at-point-as-read’,
      ‘newsticker-treeview-mark-item-old’).
 ‘i’
      Mark current item as immortal.  Immortal items are kept forever.
      (‘newsticker-mark-item-at-point-as-immortal’,
      ‘newsticker-treeview-mark-item-immortal’).