Merge from origin/emacs-25

50650cb Doc fixes for fclist and grep
5e814e0 Minor doc fixes for quoting
3347a73 `nreverse' the marker pairs list
1a4127d Use save-excursion in xref-location-marker more
ab3ba91 shell-quote-argument DIR when appropriate
922c7a3 Rework xref-query-replace-in-results
3fe3510 * lisp/replace.el (query-replace-read-from): Use minibuffer-w...
0932b94 Fix todo-mode bug involving archived items (bug#23447)
e68ad1f ; * etc/NEWS: Tiny edit. (Bug#23432)
adc80b7 ; * test/automated/xref-tests.el: Add copyright and license.
4d8fd9c Handle "empty line" regexp in xref searches
f559b37 Add tests for xref-collect-matches
6428aa0 Use grep-find-ignored-directories instead of vc-directory-exc...
6f82d8e Clear buffer-undo-list when showing xrefs
c68a091 Note the quote translation in `message' in section "incompati...
52f86a7 * etc/NEWS: Mention (message "%s" (format ...)).
93703c5 (Common Keywords): Correct what missing :group means
79e5800 Improve documentation of Dired's 'A' and 'Q' commands
2ea2a2f Doc fixes for quoting
8544b98 posnp doc clarification
805204f Mention what a missing :group does
ec554d7 Fix documentation of dired-aux search/replace commands

diff --cc doc/emacs/dired.texi
Simple merge

diff --cc doc/lispref/display.texi
Simple merge

diff --cc doc/lispref/strings.texi
Simple merge

diff --cc etc/NEWS
Simple merge

diff --cc etc/PROBLEMS
Simple merge

diff --cc lisp/dired-aux.el
Simple merge

diff --cc lisp/progmodes/elisp-mode.el
Simple merge

diff --cc lisp/replace.el
Simple merge

diff --cc lisp/subr.el
Simple merge

diff --cc src/editfns.c
Simple merge