Merge from origin/emacs-26

71be806 ; * etc/DEBUG: Minor clarification.
4403f89 Update the Emacs FAQ
40b3317 * etc/DEBUG: Minor copyedits.
850ff18 Clarify wording of NS drag n drop documentation
343d70b1 Improve kill-related documentation (bug#31209)
0b43224 * lisp/simple.el (region-extract-function): Don't hide the 'n...
d6e2c59 Fix pre- and post-command-hook errors in term.el
6cf83131e * doc/lispref/display.texi (Glyphless Chars): Fix grammar.
88d178c Fix macOS drag n drop event documentation

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

diff --cc doc/misc/efaq.texi
Simple merge

diff --cc etc/DEBUG
Simple merge

diff --cc lisp/simple.el
Simple merge

diff --cc lisp/term.el
Simple merge