Sets a "bookmark"
the returned ID can later be used to go back to the reading position at which the bookmark was placed and be careful not to remove an item to which bookmark is pointing, because then if you moveToBookmark, it'll segfault.
the bookmark-ID
Exception if there is no last-read item
See Implementation
Sets a "bookmark"
the returned ID can later be used to go back to the reading position at which the bookmark was placed and be careful not to remove an item to which bookmark is pointing, because then if you moveToBookmark, it'll segfault.