--- loncom/homework/caparesponse/caparesponse.c	2004/12/23 18:36:42	1.16
+++ loncom/homework/caparesponse/caparesponse.c	2005/02/15 22:15:05	1.17
@@ -1,6 +1,6 @@
 /* The LearningOnline Network with CAPA 
  * CAPA wrapper code
- * $Id: caparesponse.c,v 1.16 2004/12/23 18:36:42 albertel Exp $
+ * $Id: caparesponse.c,v 1.17 2005/02/15 22:15:05 albertel Exp $
  *
  * Copyright Michigan State University Board of Trustees
  *
@@ -110,7 +110,10 @@ int caparesponse_capa_check_answer(char
   }
   if (unit_str != NULL && unit_str[0]!='\0') {
     strncpy(p.unit_str,unit_str,ANSWER_STRING_LENG-1);
-    p.ans_unit   = u_parse_unit(unit_str);
+    //p.ans_unit = u_parse_unit(unit_str);
+    p.ans_unit   = parse_unit_expr(unit_str);
+    p.ans_unit   = process_utree(p.ans_unit);
+    //print_unit_t(p.ans_unit);
   } else {
     p.unit_str[0]='\0';
     p.ans_unit=NULL;
@@ -144,7 +147,8 @@ int caparesponse_get_real_response (char
   fclose(fp);
 
   if (unit_str != NULL && unit_str[0]!='\0') {
-    ans_unit   = u_parse_unit(unit_str);
+    ans_unit   = parse_unit_expr(unit_str);
+    ans_unit   = process_utree(ans_unit);
   } else {
     ans_unit=NULL;
   }