Merge from origin/emacs-27

Merge from origin/emacs-27

a4e4510ccd Fix handling MS-Windows keyboard input above the BMP
a38bebb0c1 * etc/NEWS: More complete description of rx 'not' changes.
d373647e8f ; * doc/emacs/mini.texi (Yes or No Prompts): Fix last change.
1ca6d15656 * doc/emacs/mini.texi (Yes or No Prompts): 'y-or-n-p' now ...
fe1a447d52 Don't attempt to cache glyph metrics for FONT_INVALID_CODE
b42b894d1d Fix fit-frame-to-buffer for multi-monitor setup
366fd4fd07 (emacs-27) ; * etc/NEWS: Fix typo.
49d3cd90bd rx: Improve 'or' compositionality (bug#37659)
6b48aedb6b * lisp/tab-line.el: Fix auto-hscrolling (bug#39649)
c5f255d681 (tag: emacs-27.0.90) ; Update lisp/ldefs-boot.el
60c84ad992 ; * etc/TODO: Fix last change.
5af9e5baad ; Add an entry to TODO
d424195905 Fix rx charset generation
9908b5a614 Merge branch 'emacs-27' of git.savannah.gnu.org:/srv/git/e...
6dc2ebe00e Fix overquoting in mule.el
5cca73dd82 * src/timefns.c (time_arith): Omit incorrect comment.
d767c357ca Merge branch 'emacs-27' of git.savannah.gnu.org:/srv/git/e...
4dec693f70 * lisp/vc/vc-cvs.el (vc-cvs-ignore): Copy-edit doc string
ff729e3f97 ; bug#39779: Fix some typos in documentation.
696ee02c3a checkdoc: Don't mistake "cf." for sentence end

# Conflicts:
#	etc/NEWS