Merge from origin/emacs-30

2ba6387d1d ; Fix inaccuracy in ELisp Reference manual
8ac6a17880 ; * etc/PROBLEMS: Mention problems with XPM support in GD...
624322d5f6 Add missing fontification matches for elixir-ts-mode
5bafb11b40 ; Fix copyright year
186ea40732 Don't start docstrings with "This function" or similar
cb8ce2e68b Enable indent-tabs-mode in obj-c-mode
54f3513709 Fix comment indent in 'lua-ts-mode' and old grammar
8b95549e90 * admin/nt/dist-build/build-dep-zips.py: (deps src) handl...
8064b2a679 Document undocumented completion commands
c29b798537 ; etc/w32-feature.el (harfbuzz): improve test
0e43e35f96 * admin/nt/dist-build/emacs.nsi: (Uninstall) delete only ...
b83cd8a8fb ; * etc/tutorials/TUTORIAL.ko: Fix the beginning.
41caccc488 ; * etc/publicsuffix.txt: Update from upstream.
e6fb18406e ; Fix refcards
14e791f9ba ; Update acknowledgments for Emacs 30
861b7864fc ; Fix node name in emacs-lisp-intro.texi
77243ba5be ; Update version tags of defcustoms
fe2ac33bae ;* doc/misc/efaq.texi (New in Emacs 30): Mention 'trusted...
8fb884f0dc ; * etc/NEWS: Fix wording.
e281355a5e Improve D-Bus and Tramp manual

# Conflicts:
#	doc/emacs/emacs.texi
#	etc/NEWS
#	lisp/erc/erc-log.el
#	lisp/eshell/esh-mode.el
#	lisp/which-key.el

lisp/gnus/gnus-art.el

@@ -512,7 +512,7 @@ might have."
   :type 'boolean)
 
 (defcustom gnus-prompt-before-saving 'always
-  "This variable says how much prompting is to be done when saving articles.
+  "How much prompting to do when saving articles.
 If it is nil, no prompting will be done, and the articles will be
 saved to the default files.  If this variable is `always', each and
 every article that is saved will be preceded by a prompt, even when

lisp/gnus/nnfeed.el

@@ -64,6 +64,7 @@
 
 (defcustom nnfeed-date-format "%F %X%p"
   "Format of displayed dates (see function `format-time-string')."
+  :version "30.1"
   :type 'string)
 
 (nnoo-declare nnfeed)