master updated (ff03411 -> 7c257e2)

[Glenn Morris]

gm pushed a change to branch master.

      from  ff03411   Fix display of stretches of whitespace in the display 
margins
      adds  b58fd1e   ; * lisp/language/cham.el: Fix copy-paste mistake in 
comment.
       new  588d230   Merge from origin/emacs-27
      adds  82c228a   Don't let `maybe_quit` prevent resetting 
`consing_until_gc` (bug#43389)
       new  5597398   ; Merge from origin/emacs-27
      adds  ee1c54e   Improve documentation of sendmail.el defcustom's
      adds  009df5c   * src/cmds.c (Fforward_line): Doc fix.  (Bug#46027)
      adds  3f61017   Avoid sending systemd shutdown notifications if non-daemon
       new  0ca75f1   Merge from origin/emacs-27
      adds  c8fa056   Mention undo-amalgamate-change-group in the lispref manual
       new  27889f0   ; Merge from origin/emacs-27
      adds  3443a1c   Fix last change
       new  4be6c92   Merge from origin/emacs-27
      adds  0399cc2   Erase the buffer only after fetching the new contents
      adds  8095034   ; xref-revert-buffer: Drop the (goto-char) at the end
      adds  932aba6   Try to improve the read-regexp doc string
      adds  0340e9e   read-regexp-suggestions doc string improvement
      adds  e79e377   Improve documentation of 'read-regexp' and friends
       new  7c257e2   ; Merge from origin/emacs-27


Summary of changes:
 doc/lispref/text.texi | 17 +++++++++++++++--
 lisp/language/cham.el |  2 +-
 lisp/mail/sendmail.el | 16 ++++++++++++----
 src/cmds.c            |  1 +
 src/emacs.c           | 10 +++++++---
 5 files changed, 36 insertions(+), 10 deletions(-)