Fix em-extpipe-tests on MS-Windows

* test/lisp/eshell/em-extpipe-tests.el (em-extpipe-test-14): Fix
test on MS-Windows (bug#71446).

1 files changed, 5 insertions, 1 deletions

diff --git a/test/lisp/eshell/em-extpipe-tests.el b/test/lisp/eshell/em-extpipe-tests.el
index 610e3d41524..c5f1301cd3b 100644
--- a/test/lisp/eshell/em-extpipe-tests.el
+++ b/test/lisp/eshell/em-extpipe-tests.el
@@ -181,7 +181,11 @@
   (skip-unless (executable-find "tac"))
   (should-parse '(eshell-named-command "sh" (list "-c" "tac <temp")))
   (with-substitute-for-temp
-   (with-temp-buffer (insert "bar\nbaz\n") (write-file temp))
+   (with-temp-buffer
+     (insert "bar\nbaz\n")
+     ;; Some versions of 'tac' on MS-Windows need Unix EOLs...
+     (let ((coding-system-for-write 'unix))
+       (write-file temp)))
    (eshell-match-command-output input "baz\nbar")))
 
 (em-extpipe-tests--deftest em-extpipe-test-15 "echo \"bar\" *| cat"