--- loncom/homework/lonmaxima.pm	2007/06/15 21:49:50	1.16
+++ loncom/homework/lonmaxima.pm	2007/07/11 18:50:33	1.17
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Interface routines to MAXIMA CAS
 #
-# $Id: lonmaxima.pm,v 1.16 2007/06/15 21:49:50 albertel Exp $
+# $Id: lonmaxima.pm,v 1.17 2007/07/11 18:50:33 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -134,7 +134,10 @@ sub maxima_check {
     my $socket=&connect();
     my $reply=&compareterms($socket,$response,$answer);
     &disconnect($socket);
+    # integer to string mappings come from capaParser.h
+    # 1 maps to 'EXACT_ANS'
     if ($reply eq 'true') { return 1; }
+    # 7 maps to 'INCORRECT'
     return 7;
 }