Merge from origin/emacs-27

Merge from origin/emacs-27

f0ebd919c1 (origin/emacs-27) ; * doc/lispref/anti.texi (Antinews): Fi...
6f059159ee Update Acknowledgments sections
e1262d45f9 Update Antinews in ELisp manual
fd8128f0c1 ; Move the description of define-inline to a different nod...
524441d6b3 Improve wording in the ELisp manual
8addfa91c8 Reset to the standard value when reverting session's custo...
d6f9b09777 Fix saving multiple themes
c556aabde8 Calc: fix interval entry (bug#39040)
91cd3c1372 Fix horizontal line display in Custom buffers
15c8e984ae ; * etc/NEWS: Fix a typo.
ff8996a337 flymake: fix typo in variable binding (bug#38752)
16eaaa07e6 ; Minor spelling fixes
5efe795659 Update Antinews in the Emacs manual
5841240295 Use NSNumber instead of BOOL (bug#39047)
beec9f64a5 Add comment on fido-mode's file-sorting semantics
eb3c6ad325 Consider non-string minibuffer-default in icomplete

# Conflicts:
#	etc/NEWS