--- loncom/homework/caparesponse/caparesponse.c	2003/05/27 15:29:02	1.8
+++ loncom/homework/caparesponse/caparesponse.c	2003/05/27 17:01:36	1.9
@@ -1,6 +1,6 @@
 /* The LearningOnline Network with CAPA 
  * CAPA wrapper code
- * $Id: caparesponse.c,v 1.8 2003/05/27 15:29:02 bowersj2 Exp $
+ * $Id: caparesponse.c,v 1.9 2003/05/27 17:01:36 bowersj2 Exp $
  *
  * Copyright Michigan State University Board of Trustees
  *
@@ -76,7 +76,7 @@ int caparesponse_capa_check_answer(char
   char *error=NULL,filename[FILE_NAME_LENGTH];
   FILE *fp;
 
-  /* eed to initialize unit parser*/
+  /* need to initialize unit parser*/
   sprintf(filename,"/home/httpd/html/res/adm/includes/capa.units");
   if ((fp=fopen(filename,"r"))==NULL) {
     /* printf("Error: can't open %s\n",filename);*/
@@ -112,6 +112,7 @@ int caparesponse_capa_check_answer(char
     p.ans_unit   = u_parse_unit(unit_str);
   } else {
     p.unit_str[0]='\0';
+    p.ans_unit=NULL;
   }
   p.calc       = calc;