* src/dbusbind.c (syms_of_dbusbind):
* lisp/net/dbus.el (top): Provide proper subfeature.

* lisp/startup.el (normal-splash-screen): Use standard
"M-" abbrevation rather than a confusingly-different one.
(normal-no-mouse-startup-screen): Follow ‘text-quoting-style’.

Use the new `seq-into-sequence' in seqs passed to `seq-concatenate' to
ensure that concatenation happens on sequences only.  This makes it
possible to use `seq-concatenate' for new types of seqs.

* lisp/emacs-lisp/seq.el (seq-into-sequence, seq-concatenate): New
function used in `seq-concatenate'.
* test/automated/seq-tests.el (test-seq-into-sequence): New unit test
for seq-into-sequence.

* lisp/cedet/mode-local.el (xref-mode-local--override-present,
xref-mode-local-overload): New; add mode local overrides to
xref-find-definitions.

* test/automated/elisp-mode-tests.el: Add mode local override tests.
(xref-elisp-test-run): Handle indented defuns.
(xref-elisp-generic-*): Improve doc strings.

* lisp/progmodes/elisp-mode.el (elisp-xref-find-def-functions): New.
(elisp--xref-find-definitions): Use it.

* lisp/cedet/mode-local.el (describe-mode-local-overload): New; add mode
local overrides to describe-function.

* etc/NEWS: Document change.

In top-level elisp files, use format-message in diagnostic formats,
so that they follow user preference as per ‘text-quoting-style’
rather than being hard-coded to quote `like this'.
* lisp/allout.el (allout-get-configvar-values):
* lisp/apropos.el (apropos-symbols-internal):
* lisp/dired-aux.el (dired-do-shell-command, dired-create-files)
(dired-do-create-files-regexp, dired-create-files-non-directory):
* lisp/dired-x.el (dired-do-run-mail):
* lisp/dired.el (dired-log, dired-dnd-handle-local-file):
* lisp/disp-table.el (standard-display-european):
* lisp/find-dired.el (find-dired):
* lisp/forms.el (forms-mode):
* lisp/ido.el (ido-buffer-internal):
* lisp/info.el (Info-index-next):
* lisp/outline.el (outline-invent-heading):
* lisp/printing.el (pr-ps-outfile-preprint, pr-i-ps-send):
* lisp/proced.el (proced-log):
* lisp/ps-print.el (ps-print-preprint, ps-get-size):
* lisp/recentf.el (recentf-open-files, recentf-save-list):
* lisp/savehist.el (savehist-save):
* lisp/server.el (server-ensure-safe-dir):
* lisp/ses.el (ses-rename-cell):
* lisp/simple.el (list-processes--refresh):
* lisp/startup.el (command-line):
* lisp/strokes.el (strokes-unset-last-stroke)
(strokes-execute-stroke):
Use format-message so that quotes are restyled.
* lisp/cus-edit.el (custom-raised-buttons, customize-browse):
Don’t quote ‘raised’.
* lisp/descr-text.el (describe-char):
* lisp/dirtrack.el (dirtrack-debug-message):
* lisp/hexl.el (hexl-insert-multibyte-char):
Apply substitute-command-keys to help string.
* lisp/wdired.el (wdired-do-renames, wdired-do-symlink-changes)
(wdired-do-perm-changes):
Let dired-log do the formatting.