(Man-getpage-in-background): Use TERM=dumb to prevent

terminal control sequences in the output.

1 files changed, 6 insertions, 3 deletions

diff --git a/lisp/man.el b/lisp/man.el
index 2b0f26e8bfe..48c61af24e9 100644
--- a/lisp/man.el
+++ b/lisp/man.el
@@ -445,9 +445,12 @@ Man-reuse-okay-p is non-nil."
         (Man-notify-when-ready buffer)
       (message "Invoking man %s in background..." man-args)
       (setq buffer (generate-new-buffer bufname))
-      (set-process-sentinel
-       (start-process "man" buffer "sh" "-c"
-                      (format (Man-build-man-command) man-args))
+      (let ((process-environment process-environment))
+        ;; Prevent any attempt to use display terminal fanciness.
+        (setenv "TERM" "dumb")
+        (set-process-sentinel
+         (start-process "man" buffer "sh" "-c"
+                        (format (Man-build-man-command) man-args)))
        'Man-bgproc-sentinel))
     ))