Rename shell-command-width to async-shell-command-width (bug#35055)

* lisp/simple.el (async-shell-command-width):
* lisp/net/tramp.el (tramp-handle-shell-command):
* test/lisp/net/tramp-tests.el (tramp-test32-shell-command):
* doc/misc/tramp.texi (Remote processes): Rename this variable.

* doc/emacs/misc.texi (Single Shell): Add async-shell-command-width.

1 files changed, 4 insertions, 5 deletions

diff --git a/test/lisp/net/tramp-tests.el b/test/lisp/net/tramp-tests.el
index cba697da18c..7d3c43408d4 100644
--- a/test/lisp/net/tramp-tests.el
+++ b/test/lisp/net/tramp-tests.el
@@ -4192,18 +4192,17 @@ This tests also `make-symbolic-link', `file-truename' and `add-name-to-file'."
         ;; Cleanup.
         (ignore-errors (delete-file tmp-name)))
 
-      ;; Test `shell-command-width' of `async-shell-command'.
-      ;; Since Emacs 27.1.
-      (when (and (boundp 'shell-command-width)
+      ;; Test `async-shell-command-width'.  Since Emacs 27.1.
+      (when (and (boundp 'async-shell-command-width)
                  (zerop (call-process "tput" nil nil nil "cols"))
                  (zerop (process-file "tput" nil nil nil "cols")))
-        (let (shell-command-width)
+        (let (async-shell-command-width)
           (should
            (string-equal
             (format "%s\n" (car (process-lines "tput" "cols")))
             (tramp--test-shell-command-to-string-asynchronously
              "tput cols")))
-          (setq shell-command-width 1024)
+          (setq async-shell-command-width 1024)
           (should
            (string-equal
             "1024\n"