Merge from origin/emacs-25

9c2a1a2 * doc/misc/texinfo.tex: Sync from gnulib.
66cd4d8 * lisp/emacs-lisp/find-func.el (find-feature-regexp) (find-al...
1a5a05c Do not mistake colon at the end of regexp for slash symbol
4c5a00b Make package-install-from-buffer not move point
9596ea1 ; Revert "* emacs-lisp/lisp-mnt.el (lm-header): save-excursion"
f79c352 Redo the fix for bug#21839
8d2f78c Don't treat JS spread as contination method call

diff --cc lisp/emacs-lisp/find-func.el
Simple merge

diff --cc lisp/emacs-lisp/package.el
Simple merge

diff --cc lisp/help.el
Simple merge

diff --cc lisp/progmodes/js.el
Simple merge

diff --cc test/lisp/progmodes/ruby-mode-tests.el
Simple merge

diff --cc test/manual/indent/js.js
Simple merge