(math-read-replacement-list, math-read-superscripts): Move to

calc-aent.el.
(math-read-preprocess-string): Move to calc-aent.el.

lisp/calc/calc-ext.el

@@ -2874,73 +2874,6 @@ calc-kill calc-kill-region calc-yank))))
 
 (defvar math-expr-data)
 
-(defvar math-read-replacement-list
-  '(;; Misc symbols
-    ("±" "+/-")  ; plus or minus
-    ("×" "*")    ; multiplication sign
-    ("÷" ":")    ; division sign
-    ("−" "-")    ; subtraction sign
-    ("∕" "/")    ; division sign
-    ("∗" "*")    ; asterisk multiplication
-    ("∞" "inf")  ; infinity symbol
-    ("≤" "<=")
-    ("≥" ">=")
-    ("≦" "<=")
-    ("≧" ">=")
-    ;; fractions
-    ("¼" "(1:4)") ; 1/4
-    ("½" "(1:2)") ; 1/2
-    ("¾" "(3:4)") ; 3/4
-    ("⅓" "(1:3)") ; 1/3
-    ("⅔" "(2:3)") ; 2/3
-    ("⅕" "(1:5)") ; 1/5
-    ("⅖" "(2:5)") ; 2/5
-    ("⅗" "(3:5)") ; 3/5
-    ("⅘" "(4:5)") ; 4/5
-    ("⅙" "(1:6)") ; 1/6
-    ("⅚" "(5:6)") ; 5/6
-    ("⅛" "(1:8)") ; 1/8
-    ("⅜" "(3:8)") ; 3/8
-    ("⅝" "(5:8)") ; 5/8
-    ("⅞" "(7:8)") ; 7/8
-    ("⅟" "1:")    ; 1/...
-    ;; superscripts
-    ("⁰" "0")  ; 0
-    ("¹" "1")  ; 1
-    ("²" "2")  ; 2
-    ("³" "3")  ; 3
-    ("⁴" "4")  ; 4
-    ("⁵" "5")  ; 5
-    ("⁶" "6")  ; 6
-    ("⁷" "7")  ; 7
-    ("⁸" "8")  ; 8
-    ("⁹" "9")  ; 9
-    ("⁺" "+")  ; +
-    ("⁻" "-")  ; -
-    ("⁽" "(")  ; (
-    ("⁾" ")")  ; )
-    ("ⁿ" "n")  ; n
-    ("ⁱ" "i")) ; i
-  "A list whose elements (old new) indicate replacements to make
-in Calc algebraic input.")
-
-(defvar math-read-superscripts
-  "⁰¹²³⁴⁵⁶⁷⁸⁹⁺⁻⁽⁾ⁿⁱ" ; 0123456789+-()ni
-  "A string consisting of the superscripts allowed by Calc.")
-
-(defun math-read-preprocess-string (str)
-  "Replace some substrings of STR by Calc equivalents."
-  (setq str
-        (replace-regexp-in-string (concat "[" math-read-superscripts "]+")
-                                  "^(\\&)" str))
-  (let ((rep-list math-read-replacement-list))
-    (while rep-list
-      (setq str
-            (replace-regexp-in-string (nth 0 (car rep-list))
-                                      (nth 1 (car rep-list)) str))
-      (setq rep-list (cdr rep-list))))
-  str)
-
 (defun math-read-expr (math-exp-str)
   (let ((math-exp-pos 0)
 	(math-exp-old-pos 0)