--- freem/src/operator.c	2025/02/28 20:51:20	1.3
+++ freem/src/operator.c	2025/04/09 19:52:02	1.6
@@ -1,23 +1,11 @@
 /*
- *                            *
- *                           * *
- *                          *   *
- *                     ***************
- *                      * *       * *
- *                       *  MUMPS  *
- *                      * *       * *
- *                     ***************
- *                          *   *
- *                           * *
- *                            *
- *
- *   operator.c
+ *   $Id: operator.c,v 1.6 2025/04/09 19:52:02 snw Exp $
  *    operators pattern-match, divide, multiply, add, power
  *
  *  
- *   Author: Serena Willis <jpw@coherent-logic.com>
+ *   Author: Serena Willis <snw@coherent-logic.com>
  *    Copyright (C) 1998 MUG Deutschland
- *    Copyright (C) 2020 Coherent Logic Development LLC
+ *    Copyright (C) 2020, 2025 Coherent Logic Development LLC
  *
  *
  *   This file is part of FreeM.
@@ -35,6 +23,16 @@
  *   You should have received a copy of the GNU Affero Public License
  *   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.
  *
+ *   $Log: operator.c,v $
+ *   Revision 1.6  2025/04/09 19:52:02  snw
+ *   Eliminate as many warnings as possible while building with -Wall
+ *
+ *   Revision 1.5  2025/03/09 19:50:47  snw
+ *   Second phase of REUSE compliance and header reformat
+ *
+ *
+ * SPDX-FileCopyrightText:  (C) 2025 Coherent Logic Development LLC
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  **/
 
 #include "mpsdef.h"
@@ -801,8 +799,8 @@ void add (char *a, char *b)				/* string
 		mi = 1;
 		a[0] = ZERO;
 	    }
-	    while (a[mi] == ZERO) {
-		stcpy (&a[mi], &a[mi + 1]);
+	    while (a[(int) mi] == ZERO) {
+		stcpy (&a[(int) mi], &a[((int) mi) + 1]);
 		dpa--;
 	    }
 	    if (dpa < 0)
@@ -830,7 +828,7 @@ void add (char *a, char *b)				/* string
 	    }
 	    a[0] = MINUS;
 	}
-	if (a[mi] == EOL) {
+	if (a[(int) mi] == EOL) {
 	    a[0] = ZERO;
 	    a[1] = EOL;
 	}