(isearch-lazy-highlight-update): Check it to decide whether to apply
overlays only on the selected window.

* lisp/follow.el (follow-mode): Set isearch-lazy-highlight to ‘all-windows’.
(Bug#17453, bug#21092)

* lisp/isearch.el (lazy-highlight-max-at-a-time):
Change default value from 20 to nil to not trigger redisplay
between updating iterations.
(lazy-highlight-cleanup): New arg ‘procrastinate’ to not remove
overlays when non-nil.
(isearch-lazy-highlight-new-loop): Call lazy-highlight-cleanup
with non-nil second arg when the search string is not empty.
Run timer with isearch-lazy-highlight-start instead of
isearch-lazy-highlight-update.
(isearch-lazy-highlight-start): New function. (Bug#25751)

* lisp/isearch.el (isearch-new-nonincremental): New variable.
(with-isearch-suspended): Bind isearch-new-nonincremental to
isearch-nonincremental, and restore it afterwards.
(isearch-forward-exit-minibuffer, isearch-reverse-exit-minibuffer):
Set isearch-new-nonincremental to nil.  (Bug#25562)

to t to display "Pending" in the search prompt for lax
word/symbol search (bug#25562).  Don't use lax for lazy-highlighting
when 'bound' is non-nil.
(word-search-regexp, isearch-symbol-regexp): Don't depend on lax
at the beginning of regexp (bug#22589).

* lisp/info.el (Info-isearch-search):
Use isearch--lax-regexp-function-p.

* doc/emacs/search.texi (Word Search, Symbol Search):
Mention "Pending" prompt for lax word/symbol search.

* lisp/isearch.el: Add `isearch-scroll' property to
universal-argument-more so that `isearch-allow-scroll' will apply to it
as well.
(isearch-pre-command-hook): Let `isearch-allow-prefix' apply to
`universal-argument-more' as well (Bug#25302).

2e2a806 Fix copyright years by hand
5badc81 Update copyright year to 2017

Run admin/update-copyright.