Merge from origin/emacs-27

8ad48a0bdd (origin/emacs-27) Improve doc string of 'text-scale-adjust'
7a25ff767d Clarify the indent-rigidly doc string
6c5ddf0e0b Fix two small tab bar issues
c71e08eba9 Fix last change in syntax.texi

# Conflicts:
#	lisp/indent.el

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

diff --cc lisp/cus-start.el
Simple merge

diff --cc lisp/face-remap.el
Simple merge

diff --cc lisp/frame.el
Simple merge

diff --cc lisp/indent.el
index 4a5550786d5964e2f550fe274c389fc6bf17d4c9,ed67e1c16f73133d761677df961a0156bb8b8ef1..5cbf0acaa2596ec826539c08d0b8bef9487d0a0e
--- 1/lisp/indent.el
--- 2/lisp/indent.el
+++ b/lisp/indent.el
@@@ -250,8 -212,8 +250,9 @@@ It is activated by calling `indent-rigi
  If called interactively with no prefix argument, activate a
  transient mode in which the indentation can be adjusted interactively
  by typing \\<indent-rigidly-map>\\[indent-rigidly-left], \\[indent-rigidly-right], \\[indent-rigidly-left-to-tab-stop], or \\[indent-rigidly-right-to-tab-stop].
- Typing any other key exits this mode.  If `transient-mark-mode' is enabled,
 -Typing any other key deactivates the transient mode, and this key is then
 -acted upon as normally.
++Typing any other key exits this mode, and this key is then
++acted upon as normally.  If `transient-mark-mode' is enabled,
 +exiting also deactivates the mark.
  
  If called from a program, or interactively with prefix ARG,
  indent all lines starting in the region forward by ARG columns.