* doc/man/ebrowse.1:
* doc/man/emacs.1.in:
* doc/man/emacsclient.1:
* doc/man/etags.1:  Loosen the time-stamp-pattern used so that
it is not specific to each file.  These files now provide
readable examples that will work with most man pages.

Remove our old ctags and suggest Universal Ctags instead.
This fixes a FIXME in lib-src/Makefile.in and speeds up compilation
quite a bit on my older CPU when I compile with	--enable-gcc-warnings.
It also lessens installation and runtime footprint. (Bug#76322)
* .gitignore: Remove lib-src/ctags.
* admin/authors.el (authors-renamed-files-alist): Remove ctags.1.
* admin/check-man-pages: ctags.1 is no longer a special case.
* admin/quick-install-emacs (PUBLIC_LIBSRC_BINARIES): Remove ctags.
* cross/Makefile.in (LIBSRC_BINARIES): Remove lib-src/ctags.
* doc/man/ctags.1, lib-src/ctags.c: Remove.
* java/Makefile.in (CROSS_LIBSRC_BINS): Remove ctags.
* lib-src/Makefile.in (INSTALLABLES): Remove ctags${EXEEXT}.
(ctags${EXEEXT}): Remove.
* lib-src/etags.c (CTAGS): Remove.  All uses replaced by ...
(ctags): ... this new static var.
(STDIN): Remove macro.  All uses replaced by new STDIN_OPTION constant.
(CTAGS_OPTION, STDIN_OPTION): New contants.
(longopts): New --ctags option.
(ctags_default_C_help): New constant,
to override default_C_help at runtime.
(default_C_help): Now always the etags version.
(C_LANG_NAMES_INDEX): New macro.
(print_language_names): Do not assume etags.
(PROGRAM_NAME): Remove.  All uses removed.
(print_help): Document --ctags if PRINT_UNDOCUMENTED_OPTIONS_HELP.
(main): Support new --ctags option, and support all [ce]tags options.
* test/manual/etags/Makefile (CTAGS_PROG):
Now etags --ctags, since there is no longer a ctags.

Run "TZ=UTC0 admin/update-copyright".

8f8da2d7854 ; * ChangeLog.4: Update.
49adcf30b01 ; * etc/AUTHORS: Update.
1381c6f9591 * Update authors.el
5c0f3f5826e ; * etc/NEWS: Mark unmarked entries.
8a0c9c234f1 Document 'trusted-content
c6ce11b2a48 Mention network-interface-list in network-interface-info ...
a7905145f70 ; * lisp/emacs-lisp/re-builder.el (reb-change-syntax): Fi...
cde22c02011 Move NEWS items from unreleased 28.3 to released 29.1
5686bb5b428 Improve browse-url-android-share docstring
92041e15f4a Minor doc fix for url-handler-regexp
9fd96e2ab95 Improve reb-change-syntax docstring
b9dc337ea74 * lisp/files.el (trusted-content-p): Make `:all` work in ...
4b685bc4fcd ; * src/process.c (Fnetwork_interface_list): Fix typo.
c14c4895719 ; * lisp/net/nsm.el (nsm-trust-local-network): Fix typo.
10f976300d0 ; Add some tree-sitter thing content to the manual
55303a6bc0a * lisp/org/ox-texinfo.el (org-texinfo-template): Fix Info...
8b6c6cffd1f trusted-content: Adjust the last patch based on prelimina...
69b16e5c638 ; * etc/NEWS: Fix typos.
5c6dbc65f36 ; * doc/lispref/frames.texi (Multiple Terminals): Add ind...
856a58e2827 Update documentation of 'etags' regexps some more
4c68846223b Update documentation of 'etags' regexps
b5158bd1914 elisp-mode.el: Disable Flymake byte-compile backend in un...

# Conflicts:
#	doc/man/etags.1
#	etc/NEWS
#	lisp/org/ox-texinfo.el

* doc/emacs/maintaining.texi (Etags Regexps):
* doc/man/etags.1: Give more details about what's not supported.

* doc/emacs/maintaining.texi (Etags Regexps):
* doc/man/etags.1: Say that shy groups are not supported (bug#74861).

This adds '--no-fallback-lang' and '--no-empty-file-entries'
options, and their opposites '--fallback-lang' and
'--empty-file-entries'.
* lib-src/etags.c (fallback_lang, empty_files): New toggles.
(main): Initialize them to 'true'.
(longopts) [!CTAGS]: Add the '--(no-)fallback-lang' and
'--(no-)empty-file-entries' options.
(find_entries): If 'fallback_lang' is false, don't attempt Fortran
and C/C++ fallbacks.
(print_help): Add help for new options.
(main): If 'empty_files' is false, don't output file entries for
files that have no tags.  (Bug#73484)

* doc/emacs/maintaining.texi (Create Tags Table):
* etc/NEWS:
* doc/man/etags.1: Document the new options.

* test/manual/etags/Makefile (check): Add test for new options.
* test/manual/etags/ETAGS.good_7: New file.