* doc/misc/tramp.texi (External packages): Mention also special events.
Emphasise, that Tramp raises remote-file-error.

* etc/NEWS: Tramp signals 'remote-file-error' consequently.
Presentational fixes and improvements.

* lisp/net/tramp.el (tramp-skeleton-process-file)
(tramp-handle-make-symbolic-link, tramp-process-actions)
(tramp-wait-for-regexp, tramp-send-string):
* lisp/net/tramp-adb.el (tramp-adb-get-device)
(tramp-adb-send-command-and-check, tramp-adb-barf-unless-okay)
(tramp-adb-wait-for-output, tramp-adb-maybe-open-connection):
* lisp/net/tramp-archive.el (tramp-archive-handle-not-implemented):
* lisp/net/tramp-crypt.el (tramp-crypt-do-encrypt-or-decrypt-file-name)
(tramp-crypt-do-encrypt-or-decrypt-file):
* lisp/net/tramp-gvfs.el (tramp-gvfs-dbus-event-error)
(tramp-gvfs-maybe-open-connection):
* lisp/net/tramp-sh.el
(tramp-do-directory-files-and-attributes-with-perl)
(tramp-do-copy-or-rename-file-directly)
(tramp-do-copy-or-rename-file-out-of-band)
(tramp-sh-handle-file-local-copy, tramp-sh-handle-write-region)
(tramp-bundle-read-file-names, tramp-maybe-send-script)
(tramp-find-file-exists-command, tramp-barf-if-no-shell-prompt)
(tramp-maybe-open-connection, tramp-wait-for-output)
(tramp-send-command-and-check, tramp-barf-unless-okay)
(tramp-send-command-and-read, tramp-get-ls-command):
* lisp/net/tramp-smb.el (tramp-smb-handle-file-attributes)
(tramp-smb-handle-make-symbolic-link)
(tramp-smb-maybe-open-connection, tramp-smb-call-winexe):
* lisp/net/tramp-sshfs.el (tramp-sshfs-maybe-open-connection):
* lisp/net/tramp-sudoedit.el (tramp-sudoedit-send-command-and-read):
Raise a `remote-file-error' in case of connection problems.

* lisp/net/tramp-rclone.el (tramp-rclone-maybe-open-connection): Improve
check for host.

* lisp/net/tramp-smb.el (tramp-smb-get-localname): Improve error message.

* lisp/net/tramp-sudoedit.el (tramp-default-host-alist):
Set a default for "sudoedit" method.
(tramp-sudoedit-maybe-open-connection): Check for proper host name.
(tramp-sudoedit-send-command): Do not expand ?h.

* lisp/net/tramp.el (tramp-compute-multi-hops): Check for cycle
proxy definition.

* test/lisp/net/tramp-archive-tests.el (tramp-archive-test20-file-modes)
(tramp-archive-test21-file-links): Check for `rmote-file-error'.

* test/lisp/net/tramp-tests.el (tramp-file-name-with-sudo): Declare.
(tramp--test-ignore-make-symbolic-link-error): Check for
`rmote-file-error'.
(tramp-test03-file-name-method-rules): Delete.
(tramp-test03-file-error): New test.
(tramp--test-supports-processes-p): Make it more rebust.

* doc/emacs/maintaining.texi (VC-Aware Project Backend):
Rephrase and mention a way to force invalitation (bug#78545).

Fix a typo in the documentation for the expected arguments when
calling smie-rules-function to set the indentation offset of
function arguments.

* doc/lispref/modes.texi (SMIE Indentation):
* lisp/emacs-lisp/smie.el (smie-rules-function): Fix typo in
documentation for smie-rules-function arguments.

* lisp/emacs-lisp/cond-star.el (cond*-non-exit-clause-p)
(cond*-non-exit-clause-substance): Don't consider a bind-and*
clause without ':non-exit' to be a non-exit clause (bug#80376).
(cond*):
* doc/lispref/control.texi (cond* Macro): Fix docs accordingly.

* doc/lispref/os.texi (System Sleep): Minor markup fixes.

* src/w32fns.c (w32_register_for_sleep_notifications)
(sleep_notification_callback): Fix signatures.
* src/w32term.h (w32_register_for_sleep_notifications): Fix
prototype.  These changes avoid compilation warnings.

* lisp/system-sleep.el: Remove stray non-ASCII character.

* doc/lispref/os.texi (System Sleep): Remove non-ASCII character,
and fix wording and markup.

* etc/NEWS: Fix wording of recently-added entry.

This package provides platform-neutral interfaces to block your
system from entering idle sleep and a hook to process pre-sleep
and post-wake events.

Implementations are for D-Bus on GNU/Linux, macOS/GNUstep, and
MS-Windows.

* lisp/system-sleep.el: New package.
* src/fns.c: Qpre_sleep, Qpost_wake: New DEFSYM.
* src/nsfns.m (Fns_block_system_sleep, Fns_unblock_system_sleep)
(syms_of_nsfns): New functions.
* src/nsterm.m (applicationDidFinishLaunching): Subscribe to
pre-sleep and post-wake notifications.
(systemWillSleep, systemDidWake): New function.
* src/w32fns.c (Fw32_block_system_sleep)
(Fw32_unblock_system_sleep, Fw32_system_sleep_block_count)
(sleep_notification_callback)
(w32_register_for_sleep_notifications): New function.
(syms_of_w32fns): Sw32_unblock_system_sleep
Sw32_block_system_sleep Sw32_system_sleep_block_count: New
defsubr.
* src/w32term.h (Fw32_block_system_sleep): New extern.
* src/w32term.c (w32_initialize): Call
w32_register_for_sleep_notifications.
* doc/lispref/os.texi: Document the system-sleep package.
* doc/lispref/commands.texi: Update sleep-event special
documentation.
* etc/NEWS: Announce the new package.