Add support for su-rs and sudo-rs programs

* doc/misc/tramp.texi (Inline methods): Add "surs" and "sudors" methods.

* etc/NEWS: Add optional "surs" and "sudors" Tramp methods.
Presentational fixes and improvements.

* lisp/net/tramp-cmds.el (tramp-file-name-with-method): Add "surs"
and "sudors" to :type.  Adapt :version.

* lisp/net/tramp-sh.el (tramp-enable-surs-method)
(tramp-enable-sudors-method): New defuns
(tramp-sh-handle-expand-file-name): Add "surs" and "sudors" in check.

* lisp/net/tramp.el (tramp-methods): Adapt docstring.

* lisp/comint.el (comint-password-prompt-regexp):
* test/lisp/comint-tests.el (comint-testsuite-password-strings):
Add su-rs and sudo-rs password prompts.

1 files changed, 11 insertions, 6 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 4e27d6fc44e..0b8d624d923 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -327,13 +327,13 @@ deleted implicitly by functions like 'kill-buffer', 'bury-buffer' and
 +++
 *** Buffer-local window change functions run in their buffers now.
 Running the buffer-local version of each of the abnormal hooks
-'window-buffer-change-functions', 'window-size-change-functions'
+'window-buffer-change-functions', 'window-size-change-functions',
 'window-selection-change-functions' and 'window-state-change-functions'
 will make the respective buffer temporarily current for running the
-hook.'
+hook.
 
 +++
-*** 'window-buffer-change-functions' is run for removed buffer too.
+*** 'window-buffer-change-functions' is run for removed buffers too.
 The buffer-local version of 'window-buffer-change-functions' may be run
 twice now: Once for the buffer removed from the respective window and
 once for the buffer now shown in that window.
@@ -1883,6 +1883,11 @@ default, "sudo".
 *** 'tramp-file-name-with-method' can now be set as connection-local variable.
 
 +++
+*** New optional connection methods "surs" and "sudors".
+These connection methods are similar to "su" and "sudo", but they use
+the modern 'su-rs' and 'sudo-rs' commands.
+
++++
 *** Connection method "kubernetes" supports now optional namespace.
 The host name for Kubernetes connections can be of kind
 [CONTAINER.]POD[%NAMESPACE], in order to specify the namespace to be
@@ -3320,10 +3325,10 @@ The column number is no longer available; the line number will be
 removed in next Emacs release.
 
 +++
-** defvar-keymap can now take a ':prefix t' option.
+** 'defvar-keymap' can now take a ':prefix t' option.
 This is an abbreviation for using the name of the keymap as the prefix
-command name.  E.g. (defvar-keymap foo-map :prefix t) is equivalent to
-(defvar-keymap foo-map :prefix 'foo-map).
+command name.  E.g., '(defvar-keymap foo-map :prefix t)' is equivalent
+to '(defvar-keymap foo-map :prefix 'foo-map)'.
 
 
 * Changes in Emacs 31.1 on Non-Free Operating Systems