master updated (c4a6f81 -> c0d504e)

[Glenn Morris]

gm pushed a change to branch master.

      from  c4a6f81   Fix previous change in testcover.el
      adds  89f1634   Fix problem with non-ASCII characters in nnmaildir
      adds  256356a   Clarify the "Sentinels" node in the lispref manual
      adds  d145502   Initialize signal descriptions after pdumping
      adds  19534f9   Make sure default-directory relates to the originating 
buffer
      adds  b99848c   Bind default-directory to the project root
       new  7a96025   ; Merge from origin/emacs-27
      adds  fc37dc2   Fix the previous change
      adds  8c27af3   Clarify how transient indentation modes are exited in the 
manual
       new  3c0f863   Merge from origin/emacs-27
      adds  43bf7f1   Correct the lispref manual about flushing ppss info
       new  fdc56b5   ; Merge from origin/emacs-27
      adds  c71e08e   Fix last change in syntax.texi
      adds  6c5ddf0   Fix two small tab bar issues
      adds  7a25ff7   Clarify the indent-rigidly doc string
      adds  8ad48a0   Improve doc string of 'text-scale-adjust'
       new  c0d504e   Merge from origin/emacs-27


Summary of changes:
 doc/emacs/indent.texi     | 4 ++--
 doc/lispref/syntax.texi   | 9 +++++----
 lisp/cus-start.el         | 2 +-
 lisp/face-remap.el        | 6 +++---
 lisp/frame.el             | 1 +
 lisp/indent.el            | 3 ++-
 lisp/progmodes/project.el | 4 ++--
 7 files changed, 16 insertions(+), 13 deletions(-)