(make-temp-name "uu")
uudecode-temporary-file-directory))))
(let ((cdir default-directory)
- default-process-coding-system)
+ (default-process-coding-system
+ (if (featurep 'xemacs)
+ ;; In XEmacs, `nil' is not a valid coding system.
+ '(binary . binary)
+ nil)))
(unwind-protect
(with-temp-buffer
(insert "begin 600 " (file-name-nondirectory tempfile) "\n")