diff --git a/lisp/disp-table.el b/lisp/disp-table.el
index d4ef6649669..5ecf667c333 100644
--- a/lisp/disp-table.el
+++ b/lisp/disp-table.el
@@ -24,15 +24,7 @@
 
 ;;; Code:
 
-(defun rope-to-vector (rope)
-  (let* ((len (/ (length rope) 2))
-	 (vector (make-vector len nil))
-	 (i 0))
-    (while (< i len)
-      (aset vector i (rope-elt rope i))
-      (setq i (1+ i)))))
-
-(defun describe-display-table (DT)
+(defun describe-display-table (dt)
   "Describe the display table DT in a help buffer."
   (with-output-to-temp-buffer "*Help*"
     (princ "\nTruncation glyph: ")
@@ -44,19 +36,17 @@
     (princ "\nCtrl glyph: ")
     (prin1 (aref dt 259))
     (princ "\nSelective display rope: ")
-    (prin1 (rope-to-vector (aref dt 260)))
+    (prin1 (aref dt 260))
     (princ "\nCharacter display ropes:\n")
     (let ((vector (make-vector 256 nil))
 	  (i 0))
       (while (< i 256)
-	(aset vector i
-	      (if (stringp (aref dt i))
-		  (rope-to-vector (aref dt i))
-		(aref dt i)))
+	(aset vector i (aref dt i))
 	(setq i (1+ i)))
       (describe-vector vector))
     (print-help-return-message)))
 
+;;;###autoload
 (defun describe-current-display-table ()
    "Describe the display table in use in the selected window and buffer."
    (interactive)
@@ -65,9 +55,12 @@
 	buffer-display-table
 	standard-display-table)))
 
+;;;###autoload
 (defun make-display-table ()
+  "Return a new, empty display table."
   (make-vector 261 nil))
 
+;;;###autoload
 (defun standard-display-8bit (l h)
   "Display characters in the range L to H literally."
   (while (<= l h)
@@ -78,12 +71,14 @@
       (aset standard-display-table l l))
     (setq l (1+ l))))
 
+;;;###autoload
 (defun standard-display-ascii (c s)
   "Display character C using string S."
   (or standard-display-table
       (setq standard-display-table (make-vector 261 nil)))
   (aset standard-display-table c (apply 'make-rope (append s nil))))
 
+;;;###autoload
 (defun standard-display-g1 (c sc)
   "Display character C as character SC in the g1 character set."
   (or standard-display-table
@@ -91,6 +86,7 @@
   (aset standard-display-table c
 	(make-rope (create-glyph (concat "\016" (char-to-string sc) "\017")))))
 
+;;;###autoload
 (defun standard-display-graphic (c gc)
   "Display character C as character GC in graphics character set."
   (or standard-display-table
@@ -98,6 +94,7 @@
   (aset standard-display-table c
 	(make-rope (create-glyph (concat "\e(0" (char-to-string gc) "\e(B")))))
 
+;;;###autoload
 (defun standard-display-underline (c uc)
   "Display character C as character UC plus underlining."
   (or standard-display-table
@@ -106,6 +103,7 @@
 	(make-rope (create-glyph (concat "\e[4m" (char-to-string uc) "\e[m")))))
 
 ;; Allocate a glyph code to display by sending STRING to the terminal.
+;;;###autoload
 (defun create-glyph (string)
   (if (= (length glyph-table) 65536)
       (error "No free glyph codes remain"))