Merge with Tramp 2.5.2.3 (Do not merge with master)

Merge with Tramp 2.5.2.3 (Do not merge with master)

* doc/misc/tramp.texi (Archive file names): Explicitly say how to
open an archive with Tramp (Bug#25076).

* doc/misc/trampver.texi:
* lisp/net/trampver.el: Change version to "2.5.3-pre".

* lisp/net/tramp-adb.el (tramp-adb-handle-process-file)
* lisp/net/tramp-sh.el (tramp-sh-handle-process-file):
* lisp/net/tramp-smb.el (tramp-smb-handle-process-file):
* lisp/net/tramp-sshfs.el (tramp-sshfs-handle-process-file):
Improve implementation.  (Bug#53854)

* lisp/net/tramp-adb.el (tramp-adb-tolerate-tilde):
* lisp/net/tramp-sshfs.el (tramp-sshfs-tolerate-tilde):
New defuns.  Advice `shell-mode' with them.

* lisp/net/tramp.el (tramp-register-autoload-file-name-handlers):
* lisp/net/tramp-archive.el (tramp-register-archive-file-name-handler):
Check, whether the real file name handler is already registered.
rules.  (Bug#54542)

* lisp/net/tramp.el (tramp-autoload-file-name-handler)
(tramp-register-autoload-file-name-handlers)
(tramp-unload-file-name-handlers, tramp-unload-tramp):
* lisp/net/tramp-archive.el (tramp-archive-autoload-file-name-regexp)
(tramp-archive-autoload-file-name-handler)
(tramp-register-archive-file-name-handler):
Add `tramp-autoload' property.

* lisp/net/tramp-crypt.el (tramp-crypt-file-name-handler-alist):
* lisp/net/tramp-rclone.el (tramp-rclone-file-name-handler-alist):
* lisp/net/tramp-sudoedit.el (tramp-sudoedit-file-name-handler-alist):
* lisp/net/tramp-sshfs.el (tramp-sshfs-file-name-handler-alist):
Use `tramp-handle-file-notify-add-watch',
`tramp-handle-file-notify-rm-watch' and
`tramp-handle-file-notify-valid-p'.

* lisp/net/tramp-crypt.el (tramp-crypt-file-name-handler-alist):
Use `tramp-handle-insert-file-contents'.

* lisp/net/tramp-gvfs.el (tramp-gvfs-maybe-open-connection):
* lisp/net/tramp-rclone.el (tramp-rclone-maybe-open-connection):
* lisp/net/lisp/net/tramp-sshfs.el (tramp-sshfs-maybe-open-connection):
* tramp-sudoedit.el (tramp-sudoedit-maybe-open-connection): Do not
set "lock-pid" connection-property.
(tramp-sudoedit-handle-delete-file): Use "rm -f".

* lisp/net/tramp-gvfs.el (tramp-gvfs-handle-file-executable-p):
* lisp/net/tramp-sh.el (tramp-sh-handle-file-executable-p):
Check also for setuid/setgid bit.
(tramp-gvfs-handle-expand-file-name):
Respect `tramp-tolerate-tilde'.

* lisp/net/tramp-sh.el (tramp-sh-handle-insert-directory):
* lisp/net/tramp-smb.el (tramp-smb-handle-insert-directory):
Do not modify disk space information when
`dired--insert-disk-space' is available.  (Bug#54512)

* lisp/net/tramp-sh.el (tramp-maybe-open-connection): Extend suppression
(tramp-get-remote-dev-tty): New defun.
(tramp-sh-handle-make-process): Use it.

* lisp/net/tramp-sshfs.el (tramp-methods) <sshfs>:
Add "-t -t" to `tramp-login-args'.
Add "-o dir_cache=no" to `tramp-mount-args'.  (Bug#54126)
Add "-o transform_symlinks" to `tramp-mount-args'.
(tramp-sshfs-file-name-handler-alist):
Use `tramp-sshfs-handle-file-writable-p'.
(tramp-sshfs-handle-file-writable-p): New defun.  (Bug#54130)
(tramp-sshfs-handle-write-region): Set file modification time.
(Bug#54016)
(tramp-sshfs-file-name-handler-alist):
Use `tramp-sshfs-handle-set-file-times'.
(tramp-sshfs-handle-set-file-times): New defun.

* test/lisp/net/tramp-tests.el (tramp--test-expensive-test-p):
Rename from `tramp--test-expensive-test'.  Make it a defun.  Adapt
all callees.
(tramp-test07-file-exists-p, tramp-test14-delete-directory)
(tramp-test18-file-attributes, tramp-test20-file-modes)
(tramp-test28-process-file, tramp-test29-start-file-process)
(tramp-test30-make-process, tramp-test32-shell-command)
(tramp-test33-environment-variables, tramp--test-check-files)
(tramp--test-special-characters, tramp-test46-unload): Adapt tests.
(tramp-test39-detect-external-change): New test.
(tramp-test29-start-file-process)
(tramp--test--deftest-direct-async-process)
(tramp-test30-make-process, tramp-test31-interrupt-process)
(tramp-test34-explicit-shell-file-name)
(tramp-test44-asynchronous-requests):
Add :tramp-asynchronous-processes tag.
(tramp--test-asynchronous-processes-p): New defun.
(tramp--test-hpux-p, tramp--test-macos-p): Protect against errors.