--- capa/capa51/pProj/capaCommon.h	1999/09/28 21:26:21	1.1
+++ capa/capa51/pProj/capaCommon.h	2000/07/07 18:33:03	1.4
@@ -1,14 +1,33 @@
+/* This header defines Application Interface to the     
+   CAPA system.  It needs capaParser.h and capaToken.h 
+   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 Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library 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.
+*/
 
-/**********************************************************/
-/*   This header defines Application Interface to the     */
-/*    CAPA system.  It needs capaParser.h and capaToken.h */
-/*    CAPA version 4.3                                    */
 /*    Date Oct 23 1995                                    */
 /*   Isaac Tsai                                           */
 /*                                                        */
 /*   Get rid of old style structure definition *_t        */
 /*   Make all structure definition begin with T_          */
-/*   1997, 1998, 1999  Isaac Tsai                         */
 /**********************************************************/
 
 #ifndef   CAPA_COMMON_H
@@ -201,9 +220,9 @@ int    capa_check_option  CAPA_ARG((int
 int    check_int          CAPA_ARG((char *an_int ));
 int    check_real         CAPA_ARG((char *a_real ));
 char  *answers_string     CAPA_ARG((int mode, Problem_t  *p ));
-int    capa_check_ans     CAPA_ARG((AnswerInfo_t *ai, char *answer));
-int    capa_check_answer  CAPA_ARG((Problem_t *p, char *answer));
-int    capa_check_answers CAPA_ARG((Problem_t *p, char **answers, int cnt));
+int    capa_check_ans     CAPA_ARG((AnswerInfo_t *ai, char *answer, char **error));
+int    capa_check_answer  CAPA_ARG((Problem_t *p, char *answer, char **error));
+int    capa_check_answers CAPA_ARG((Problem_t *p, char **answers,int cnt, char **error));
 int    check_formula_ans  CAPA_ARG((char *fml_str,char *input_str,char *var_list,PointsList_t *pts_list,int tol_type,double tol));  
 
 int    is_all_ws          CAPA_ARG((char *answer));