Merge from origin/emacs-26

bbc9d37 (origin/emacs-26) Fix previous change in minibuffer-default-a...
7caeef1 * src/editfns.c (Fformat): Make %x easier to spot in doc stri...
ecc29fb Improve responsiveness while in 'replace-buffer-contents'
8182d64 Improve documentation of 'server-start' and friends
decdfed Clarify wording about functions' argument lists
5abac8b * lisp/doc-view.el: Fix typos in the commentary.  (Bug#31937)

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

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

diff --cc lisp/doc-view.el
Simple merge

diff --cc lisp/server.el
Simple merge

diff --cc src/editfns.c
Simple merge