Revert previous ps-mode.el change

* lisp/progmodes/ps-mode.el (ps-mode-octal-region): Revert
previous change because the `string-make-unibyte' insertion was
the previous single change (in 2013) to this file, so it must have
some subtle meaning or other.

1 files changed, 2 insertions, 1 deletions

diff --git a/lisp/progmodes/ps-mode.el b/lisp/progmodes/ps-mode.el
index cf09b98b491..0ea2bee0aa2 100644
--- a/lisp/progmodes/ps-mode.el
+++ b/lisp/progmodes/ps-mode.el
@@ -739,7 +739,8 @@ Only one `%' is removed, and it has to be in the first column."
           (setq i (1+ i))
           (backward-char)
           (insert (format "\\%03o" (string-to-char
-                                    (buffer-substring (point) (1+ (point))))))
+                                    (string-make-unibyte
+                                     (buffer-substring (point) (1+ (point)))))))
           (delete-char 1))
         (message "%d change%s made" i (if (= i 1) "" "s"))
         (set-marker endm nil)))))