Workaround for "M-x man" on macOS 15 and later

* lisp/man.el (Man-init-defvars): Workaround for macOS Sed.  Do
not merge to master.  (Bug#77944)

1 files changed, 6 insertions, 3 deletions

diff --git a/lisp/man.el b/lisp/man.el
index dcfab8d2035..50058d14269 100644
--- a/lisp/man.el
+++ b/lisp/man.el
@@ -650,9 +650,12 @@ This is necessary if one wants to dump man.el with Emacs."
              (if Man-sed-script
                  (concat "-e '" Man-sed-script "'")
                "")
-             ;; Use octal numbers.  Otherwise, \032 (Ctrl-Z) would
-             ;; suspend remote connections.
-             "-e '/^[\\o001-\\o032][\\o001-\\o032]*$/d'"
+             (if (eq system-type 'darwin)
+                 ;; macOS Sed doesn't support \o notation.
+                 "-e '/^[[:cntrl:]][[:cntrl:]]*$/d'"
+               ;; Use octal numbers.  Otherwise, \032 (Ctrl-Z) would
+               ;; suspend remote connections.
+               "-e '/^[\\o001-\\o032][\\o001-\\o032]*$/d'")
              "-e '/\e[789]/s///g'"
              "-e '/Reformatting page.  Wait/d'"
              "-e '/Reformatting entry.  Wait/d'"