* lisp/follow.el: (follow-mode): Remove references to sit*-for-function, which no longer exists. Add follow-post-command-hook to three special purpose hooks at setup, and remove them at tear down. * lisp/isearch.el: (isearch-update): invoke isearch-update-post-hook before isearch-lazy-highlight-new-loop. (isearch-lazy-highlight-new-loop): Restore this function to what it previously was, merging the functionality of isearch-lazy-highlight-maybe-new-loop into it. (isearch-lazy-highlight-maybe-new-loop): function removed. * lisp/replace.el: (replace-update-post-hook): New hook variable. (perform-replace): Add second (nil) argument to looking-back. Invoke replace-update-post-hook before calling replace-highlight. * lisp/textmodes/ispell.el: (ispell-update-post-hook): New hook variable. (ispell-command-loop): invoke ispell-update-post-hook. Add GROUP argument to call of pos-visible-in-window-p. (ispell-display-buffer): Place *Choices* window at the top of the last window in a window group.