--- capa/capa51/pProj/capaFormulaLexer.c	1999/09/28 21:26:21	1.1.1.1
+++ capa/capa51/pProj/capaFormulaLexer.c	2024/04/27 16:28:17	1.5
@@ -1,12 +1,36 @@
+/* Lexer for formula answers
+   Copyright (C) 1992-2000 Michigan State University
+
+   The CAPA system is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The CAPA system is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public
+   License along with the CAPA system; see the file COPYING.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+
+   As a special exception, you have permission to link this program
+   with the TtH/TtM library and distribute executables, as long as you
+   follow the requirements of the GNU GPL in regard to all of the
+   software in the executable aside from TtH/TtM.
+*/
 
 /* =========================================================== */
 /*      capaFormulaLexer.c  created by Isaac Tsai @ Feb 1999   */
-/*      copyrighted by Isaac Tsai    1999                      */
 /* =========================================================== */
 
 #include <ctype.h>    /* isspace() */
 #include <stdio.h>    /* sscanf()  */
+#include <string.h>
 #include "capaParser.h"
+#define YYSTYPE  Symbol_p
 #include "capaFormula.h"
 #include "capaToken.h"