--- loncom/homework/caparesponse/caparesponse.pm	2008/09/13 02:08:33	1.233
+++ loncom/homework/caparesponse/caparesponse.pm	2011/02/26 01:45:02	1.236.12.2
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # caparesponse definition
 #
-# $Id: caparesponse.pm,v 1.233 2008/09/13 02:08:33 raeburn Exp $
+# $Id: caparesponse.pm,v 1.236.12.2 2011/02/26 01:45:02 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -305,14 +305,11 @@ sub start_numericalresponse {
 	my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
 	&Apache::lonxml::debug("Got unit $hideunit for $partid $id");
 	#no way to enter units, with radio buttons
-	if (lc($hideunit) eq "yes") {
+        if ((lc($hideunit) eq "yes") && ($Apache::lonhomework::type ne 'exam')) {
 	    my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
 						    $safeeval);
 	    if ($unit =~ /\S/) { $result.=" (in $unit) "; }
 	}
-        if (($token->[1] eq 'formularesponse') && 
-            ($Apache::inputtags::status['-1'] eq 'CAN_ANSWER')) {
-        }
 	if (  &Apache::response::show_answer() ) {
 	    &set_answertext($tag_internal_answer_name,$target,$token,$tagstack,
 			    $parstack,$parser,$safeeval,-1);
@@ -611,9 +608,8 @@ sub end_numericalresponse {
 	}
         if (($target eq 'web') && ($tag eq 'formularesponse')
             && ($Apache::lonhomework::type ne 'exam') && ($Apache::inputtags::status['-1'] eq 'CAN_ANSWER')
-	    && (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoneditor') ne 'no')){	   
-           $result.=&Apache::response::edit_mathresponse_button($id,"HWVAL_$id");
-#hier
+	    && (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') ne 'yes')) {
+            $result.=&Apache::response::edit_mathresponse_button($id,"HWVAL_$id");
         }
             
 	&Apache::response::setup_prior_tries_hash(\&format_prior_response_numerical);
@@ -756,16 +752,17 @@ sub end_numericalresponse {
 	    if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
 		my $error;
 		if ($tag eq 'formularesponse') {
-		    $error=&mt('Computer\'s answer is incorrect ("[_1]").',join(', ',@$response));
+		    $error=&mt("Computer's answer is incorrect ([_1]).",'"'.join(', ',@$response).'"');
 		} else {
 		    # answer failed check if it is sig figs that is failing
 		    my ($ad,$msg)=&check_submission($response,$partid,$id,
 						    $tag,$parstack,
 						    $safeeval,1);
+		    $error=&mt("Computer's answer is incorrect ([_1]).",'"'.join(', ',@$response).'"').' ';
 		    if ($sigline ne '') {
-			$error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] or significant figures [_3] need to be adjusted.',join(', ',@$response),$tolline,$sigline);
+			$error.=&mt('It is likely that the tolerance range [_1] or significant figures [_2] need to be adjusted.',$tolline,$sigline);
 		    } else {
-			$error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] needs to be adjusted.',join(', ',@$response),$tolline);
+			$error.=&mt('It is likely that the tolerance range [_1] needs to be adjusted.',$tolline);
 		    }
 		}
 		if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
@@ -1082,6 +1079,7 @@ sub start_stringresponse {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;
     my $id = &Apache::response::start_response($parstack,$safeeval);
+    undef(%answer);
     if ($target eq 'meta') {
 	$result=&Apache::response::meta_package_write('stringresponse');
     } elsif ($target eq 'edit') {