(math-read-brackets, math-check-for-commas): Use declared variable

math-exp-pos.

(math-check-for-commas):  Use declared variable math-exp-str.

(math-read-brackets):  Use declared variables math-exp-old-pos,
math-exp-keep-spaces.

(math-read-brackets, math-read-vector, math-read-matrix):  Use
declared variable math-exp-token.

1 files changed, 30 insertions, 30 deletions

diff --git a/lisp/calc/calc-vec.el b/lisp/calc/calc-vec.el
index c09d2715889..a78f98ec3cc 100644
--- a/lisp/calc/calc-vec.el
+++ b/lisp/calc/calc-vec.el
@@ -1466,41 +1466,41 @@
 (defun math-read-brackets (space-sep close)
   (and space-sep (setq space-sep (not (math-check-for-commas))))
   (math-read-token)
-  (while (eq exp-token 'space)
+  (while (eq math-exp-token 'space)
     (math-read-token))
   (if (or (equal math-expr-data close)
-	  (eq exp-token 'end))
+	  (eq math-exp-token 'end))
       (progn
 	(math-read-token)
 	'(vec))
-    (let ((save-exp-pos exp-pos)
-	  (save-exp-old-pos exp-old-pos)
-	  (save-exp-token exp-token)
+    (let ((save-exp-pos math-exp-pos)
+	  (save-exp-old-pos math-exp-old-pos)
+	  (save-exp-token math-exp-token)
 	  (save-exp-data math-expr-data)
-	  (vals (let ((exp-keep-spaces space-sep))
+	  (vals (let ((math-exp-keep-spaces space-sep))
 		  (if (or (equal math-expr-data "\\dots")
 			  (equal math-expr-data "\\ldots"))
 		      '(vec (neg (var inf var-inf)))
 		    (catch 'syntax (math-read-vector))))))
       (if (stringp vals)
 	  (if space-sep
-	      (let ((error-exp-pos exp-pos)
-		    (error-exp-old-pos exp-old-pos)
+	      (let ((error-exp-pos math-exp-pos)
+		    (error-exp-old-pos math-exp-old-pos)
 		    vals2)
-		(setq exp-pos save-exp-pos
-		      exp-old-pos save-exp-old-pos
-		      exp-token save-exp-token
+		(setq math-exp-pos save-exp-pos
+		      math-exp-old-pos save-exp-old-pos
+		      math-exp-token save-exp-token
 		      math-expr-data save-exp-data)
-		(let ((exp-keep-spaces nil))
+		(let ((math-exp-keep-spaces nil))
 		  (setq vals2 (catch 'syntax (math-read-vector))))
 		(if (and (not (stringp vals2))
 			 (or (assoc math-expr-data '(("\\ldots") ("\\dots") (";")))
 			     (equal math-expr-data close)
-			     (eq exp-token 'end)))
+			     (eq math-exp-token 'end)))
 		    (setq space-sep nil
 			  vals vals2)
-		  (setq exp-pos error-exp-pos
-			exp-old-pos error-exp-old-pos)
+		  (setq math-exp-pos error-exp-pos
+			math-exp-old-pos error-exp-old-pos)
 		  (throw 'syntax vals)))
 	    (throw 'syntax vals)))
       (if (or (equal math-expr-data "\\dots")
@@ -1511,7 +1511,7 @@
 			   (cons 'calcFunc-mul (cdr vals)) (nth 1 vals)))
 	    (let ((exp2 (if (or (equal math-expr-data close)
 				(equal math-expr-data ")")
-				(eq exp-token 'end))
+				(eq math-exp-token 'end))
 			    '(var inf var-inf)
 			  (math-read-expr-level 0))))
 	      (setq vals
@@ -1521,48 +1521,48 @@
 			  exp2)))
 	    (if (not (or (equal math-expr-data close)
 			 (equal math-expr-data ")")
-			 (eq exp-token 'end)))
+			 (eq math-exp-token 'end)))
 		(throw 'syntax "Expected `]'")))
 	(if (equal math-expr-data ";")
-	    (let ((exp-keep-spaces space-sep))
+	    (let ((math-exp-keep-spaces space-sep))
 	      (setq vals (cons 'vec (math-read-matrix (list vals))))))
 	(if (not (or (equal math-expr-data close)
-		     (eq exp-token 'end)))
+		     (eq math-exp-token 'end)))
 	    (throw 'syntax "Expected `]'")))
-      (or (eq exp-token 'end)
+      (or (eq math-exp-token 'end)
 	  (math-read-token))
       vals)))
 
 (defun math-check-for-commas (&optional balancing)
   (let ((count 0)
-	(pos (1- exp-pos)))
+	(pos (1- math-exp-pos)))
     (while (and (>= count 0)
 		(setq pos (string-match
 			   (if balancing "[],[{}()<>]" "[],[{}()]")
-			   exp-str (1+ pos)))
-		(or (/= (aref exp-str pos) ?,) (> count 0) balancing))
-      (cond ((memq (aref exp-str pos) '(?\[ ?\{ ?\( ?\<))
+			   math-exp-str (1+ pos)))
+		(or (/= (aref math-exp-str pos) ?,) (> count 0) balancing))
+      (cond ((memq (aref math-exp-str pos) '(?\[ ?\{ ?\( ?\<))
 	     (setq count (1+ count)))
-	    ((memq (aref exp-str pos) '(?\] ?\} ?\) ?\>))
+	    ((memq (aref math-exp-str pos) '(?\] ?\} ?\) ?\>))
 	     (setq count (1- count)))))
     (if balancing
 	pos
-      (and pos (= (aref exp-str pos) ?,)))))
+      (and pos (= (aref math-exp-str pos) ?,)))))
 
 (defun math-read-vector ()
   (let* ((val (list (math-read-expr-level 0)))
 	 (last val))
     (while (progn
-	     (while (eq exp-token 'space)
+	     (while (eq math-exp-token 'space)
 	       (math-read-token))
-	     (and (not (eq exp-token 'end))
+	     (and (not (eq math-exp-token 'end))
 		  (not (equal math-expr-data ";"))
 		  (not (equal math-expr-data close))
 		  (not (equal math-expr-data "\\dots"))
 		  (not (equal math-expr-data "\\ldots"))))
       (if (equal math-expr-data ",")
 	  (math-read-token))
-      (while (eq exp-token 'space)
+      (while (eq math-exp-token 'space)
 	(math-read-token))
       (let ((rest (list (math-read-expr-level 0))))
 	(setcdr last rest)
@@ -1572,7 +1572,7 @@
 (defun math-read-matrix (mat)
   (while (equal math-expr-data ";")
     (math-read-token)
-    (while (eq exp-token 'space)
+    (while (eq math-exp-token 'space)
       (math-read-token))
     (setq mat (nconc mat (list (math-read-vector)))))
   mat)