(inferior-emacs-lisp-mode): Use hexl for the dummy process.

diff --git a/lisp/ielm.el b/lisp/ielm.el
index 8194a653e2499be9847d81e21b55e48ab3dc333c..5db57a52b59dd8dd8e1c25cf644e1ce7af3a559f 100644 (file)
--- a/lisp/ielm.el
+++ b/lisp/ielm.el
@@ -459,7 +459,9 @@ Customised bindings may be defined in `ielm-map', which currently contains:
 
   ;; A dummy process to keep comint happy. It will never get any input
   (if (comint-check-proc (current-buffer)) nil
-    (start-process "ielm" (current-buffer) "cat")
+    ;; Was cat, but on non-Unix platforms that might not exist, so
+    ;; use hexl instead, which is part of the Emacs distribution.
+    (start-process "ielm" (current-buffer) "hexl")
     (process-kill-without-query (ielm-process))
     (goto-char (point-max))
     ;; Add a silly header