--- loncom/homework/caparesponse/caparesponse.pm 2004/10/21 03:24:23 1.157
+++ loncom/homework/caparesponse/caparesponse.pm 2005/09/08 17:49:22 1.180
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# caparesponse definition
#
-# $Id: caparesponse.pm,v 1.157 2004/10/21 03:24:23 albertel Exp $
+# $Id: caparesponse.pm,v 1.180 2005/09/08 17:49:22 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -30,6 +30,7 @@ package Apache::caparesponse;
use strict;
use capa;
use Apache::lonlocal;
+use Apache::lonnet;
BEGIN {
&Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));
@@ -119,6 +120,51 @@ sub start_numericalresponse {
return $result;
}
+sub check_submission {
+ my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_;
+ my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
+ $$args_ref{'response'}=$response;
+ my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
+
+ foreach my $arg ('type','tol','sig','format','unit','calc',
+ 'samples') {
+ $$args_ref{$arg}=
+ &Apache::lonxml::get_param($arg,$parstack,$safeeval);
+ }
+ foreach my $key (keys(%Apache::inputtags::params)) {
+ $$args_ref{$key}=$Apache::inputtags::params{$key};
+ }
+
+ #no way to enter units, with radio buttons
+ if ($Apache::lonhomework::type eq 'exam' ||
+ lc($hideunit) eq "yes") {
+ delete($$args_ref{'unit'});
+ }
+ #sig fig don't make much sense either
+ if (($Apache::lonhomework::type eq 'exam' ||
+ &Apache::response::submitted('scantron') ||
+ $ignore_sig) &&
+ $tag eq 'numericalresponse') {
+ delete($$args_ref{'sig'});
+ }
+
+ if ($tag eq 'formularesponse') {
+ $$args_ref{'type'}='fml';
+ } elsif ($tag eq 'numericalresponse') {
+ $$args_ref{'type'}='float';
+ }
+ my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
+ &Apache::lonxml::debug('answer is'.join(':',@answer));
+ @{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=@answer;
+
+ my ($result,@msgs) =
+ &Apache::run::run("&caparesponse_check_list()",$safeeval);
+ &Apache::lonxml::debug('msgs are'.join(':',@msgs));
+ my ($awards)=split(/:/,$result);
+ my @awards= split(/,/,$awards);
+ return(\@awards,\@msgs);
+}
+
sub end_numericalresponse {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $increment=1;
@@ -126,26 +172,16 @@ sub end_numericalresponse {
if (!$Apache::lonxml::default_homework_loaded) {
&Apache::lonxml::default_homework_load($safeeval);
}
+ my $partid = $Apache::inputtags::part;
+ my $id = $Apache::inputtags::response[-1];
my $tag;
+ $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
- if ( $target eq 'grade' && defined($ENV{'form.submitted'})) {
+ if ( $target eq 'grade' && &Apache::response::submitted() ) {
&Apache::response::setup_params($tag,$safeeval);
- $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
- my $partid = $Apache::inputtags::part;
- my $id = $Apache::inputtags::response['-1'];
if ($Apache::lonhomework::type eq 'exam' &&
$tag eq 'formularesponse') {
$increment=&Apache::response::scored_response($partid,$id);
- } elsif ($Apache::lonhomework::type eq 'survey') {
- if ( !defined($ENV{'form.submitted'})) { return ''; }
- my $response = &Apache::response::getresponse();
- if ( $response =~ /[^\s]/) {
- my %previous=&Apache::response::check_for_previous($response,
- $partid,$id);
- $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
- my $ad=$Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}='SUBMITTED';
- &Apache::response::handle_previous(\%previous,$ad);
- }
} else {
my $response = &Apache::response::getresponse();
if ( $response =~ /[^\s]/) {
@@ -154,56 +190,21 @@ sub end_numericalresponse {
&Apache::lonxml::debug("submitted a $response
\n");
&Apache::lonxml::debug($$parstack[-1] . "\n
");
- if ($ENV{'form.submitted'} eq 'scantron') {
+ if ( &Apache::response::submitted('scantron')) {
my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');
if (!$number_of_bubbles) { $number_of_bubbles=8; }
my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
- my @values=&make_numerical_bubbles($number_of_bubbles,$target,$answers[0],$formats[0],\@incorrect,$safeeval);
- $response=$values[$response];
+ if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
+ my ($values,$display)=&make_numerical_bubbles($number_of_bubbles,$target,$answers[0],$formats[0],\@incorrect,$safeeval);
+ $response=$values->[$response];
}
$Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
- my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
- $$args_ref{'response'}=$response;
- my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
-
- foreach my $arg ('type','tol','sig','format','unit','calc',
- 'samples') {
- $$args_ref{$arg}=
- &Apache::lonxml::get_param($arg,$parstack,$safeeval);
- }
- foreach my $key (keys(%Apache::inputtags::params)) {
- $$args_ref{$key}=$Apache::inputtags::params{$key};
- }
-
- #no way to enter units, with radio buttons
- if ($Apache::lonhomework::type eq 'exam' ||
- lc($hideunit) eq "yes") {
- delete($$args_ref{'unit'});
- }
- #sig fig don't make much sense either
- if (($Apache::lonhomework::type eq 'exam' ||
- $ENV{'form.submitted'} eq 'scantron') &&
- $tag eq 'numericalresponse') {
- delete($$args_ref{'sig'});
- }
-
- if ($tag eq 'formularesponse') {
- $$args_ref{'type'}='fml';
- } elsif ($tag eq 'numericalresponse') {
- $$args_ref{'type'}='float';
- }
- my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
- &Apache::lonxml::debug('answer is'.join(':',@answer));
- @{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=@answer;
-
- ($result,my @msgs) =
- &Apache::run::run("&caparesponse_check_list()",$safeeval);
- &Apache::lonxml::debug('msgs are'.join(':',@msgs));
- my ($awards)=split(/:/,$result);
- my (@awards) = split(/,/,$awards);
- ($ad,my $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
+ my ($awards,$msgs)=&check_submission($response,$partid,$id,
+ $tag,$parstack,$safeeval);
+
+ ($ad,my $msg) = &Apache::inputtags::finalizeawards($awards,$msgs);
&Apache::lonxml::debug('ad is'.$ad);
if ($ad eq 'SIG_FAIL') {
my ($sig_u,$sig_l)=
@@ -213,6 +214,11 @@ sub end_numericalresponse {
$Apache::inputtags::params{'sig'});
}
&Apache::lonxml::debug("\n
result:$result:$Apache::lonxml::curdepth
\n");
+ if ($Apache::lonhomework::type eq 'survey' &&
+ ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
+ $ad eq 'EXACT_ANS')) {
+ $ad='SUBMITTED';
+ }
&Apache::response::handle_previous(\%previous,$ad);
$Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
$Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
@@ -225,8 +231,6 @@ sub end_numericalresponse {
my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
my $status = $Apache::inputtags::status['-1'];
if ($Apache::lonhomework::type eq 'exam') {
- my $partid=$Apache::inputtags::part;
- my $id=$Apache::inputtags::response[-1];
my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');
if ($Apache::inputtags::params{'numbubbles'}) {
$number_of_bubbles = $Apache::inputtags::params{'numbubbles'};
@@ -238,9 +242,11 @@ sub end_numericalresponse {
my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
$safeeval);
my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
- my @bubble_values=&make_numerical_bubbles($number_of_bubbles,
- $target,$answers[0],
- $formats[0],\@incorrect,$safeeval);
+ if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
+ my ($bubble_values,$bubble_display)=
+ &make_numerical_bubbles($number_of_bubbles,
+ $target,$answers[0],
+ $formats[0],\@incorrect,$safeeval);
my @alphabet=('A'..'Z');
if ($target eq 'web') {
if ($tag eq 'numericalresponse') {
@@ -249,13 +255,13 @@ sub end_numericalresponse {
my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
my $checked='';
- if ($previous eq $bubble_values[$ind]) {
+ if ($previous eq $bubble_values->[$ind]) {
$checked=" checked='on' ";
}
$result.='
'.$alphabet[$ind].': '.
- $bubble_values[$ind].' | ';
+ $bubble_display->[$ind].'';
}
$result.='';
} elsif ($tag eq 'formularesponse') {
@@ -269,7 +275,7 @@ sub end_numericalresponse {
}
if ($tag eq 'numericalresponse') {
my ($celllength,$number_of_tables,@table_range)=
- &get_table_sizes($number_of_bubbles,\@bubble_values);
+ &get_table_sizes($number_of_bubbles,$bubble_display);
my $j=0;
my $cou=0;
$result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
@@ -280,7 +286,7 @@ sub end_numericalresponse {
}
$result.='}';
for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
- $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_values[$ind].'} ';
+ $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
}
$cou += $table_range[$j];
@@ -303,12 +309,12 @@ sub end_numericalresponse {
} elsif ($target eq 'edit') {
$result.=''.&Apache::edit::end_table;
} elsif ($target eq 'answer' || $target eq 'analyze') {
-
- my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
+ my $part_id="$partid.$id";
if ($target eq 'analyze') {
push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
$Apache::lonhomework::analyze{"$part_id.type"} = $tag;
my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
+ if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
&Apache::response::check_if_computed($token,$parstack,
$safeeval,'answer');
@@ -324,6 +330,7 @@ sub end_numericalresponse {
if ($target eq 'answer') {
$result.=&Apache::response::answer_header($tag);
}
+ my ($sigline,$tolline);
for(my $i=0;$i<=$#answers;$i++) {
my $ans=$answers[$i];
my $fmt=$formats[0];
@@ -347,12 +354,16 @@ sub end_numericalresponse {
#}
}
if ($target eq 'answer') {
- if ($high && $tag eq 'numericalresponse') { $ans.=' ['.$low.','.$high.']'; }
+ if ($high && $tag eq 'numericalresponse') {
+ $ans.=' ['.$low.','.$high.']';
+ $tolline .= "[$low, $high]";
+ }
if (defined($sighigh) && $tag eq 'numericalresponse') {
- if ($ENV{'form.answer_output_mode'} eq 'tex') {
+ if ($env{'form.answer_output_mode'} eq 'tex') {
$ans.= " Sig $siglow - $sighigh";
} else {
$ans.= " Sig $siglow - $sighigh";
+ $sigline .= "[$siglow, $sighigh]";
}
}
$result.=&Apache::response::answer_part($tag,$ans);
@@ -362,12 +373,69 @@ sub end_numericalresponse {
push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);
push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);
}
+ if ($fmt) {
+ push (@{ $Apache::lonhomework::analyze{"$part_id.format"} }, $fmt);
+ }
+ }
+ }
+
+ my @fmt_ans;
+ for(my $i=0;$i<=$#answers;$i++) {
+ my $ans=$answers[$i];
+ my $fmt=$formats[0];
+ if (@formats && $#formats) {$fmt=$formats[$i];}
+ if ($fmt && $tag eq 'numericalresponse') {
+ $fmt=~s/e/E/g;
+ if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
+ if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
+ $ans = &format_number($ans,$fmt,$target,$safeeval);
+ if ($fmt=~/\$/ && $unit!~/\$/) { $ans=~s/\$//; }
+ }
+ push(@fmt_ans,$ans);
+ }
+ my $response=join(', ',@fmt_ans);
+ my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
+ $id.'.turnoffunit');
+ if ($unit ne '' &&
+ ! ($Apache::lonhomework::type eq 'exam' ||
+ lc($hideunit) eq "yes") ) {
+ my $cleanunit=$unit;
+ $cleanunit=~s/\$\,//g;
+ $response.=" $cleanunit";
+ }
+
+ my ($awards,$msgs)=&check_submission($response,$partid,$id,$tag,
+ $parstack,$safeeval);
+ my ($ad,$msg) =&Apache::inputtags::finalizeawards($awards,$msgs);
+ if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
+ my $error;
+ if ($tag eq 'formularesponse') {
+ $error=&mt('Computer\'s answer is incorrect ("[_1]").');
+ } else {
+ # answer failed check if it is sig figs that is failing
+ my ($awards,$msgs)=&check_submission($response,$partid,$id,
+ $tag,$parstack,
+ $safeeval,1);
+ ($ad,$msg)=&Apache::inputtags::finalizeawards($awards,
+ $msgs);
+
+ if ($sigline ne '') {
+ $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] or significant figures [_3] need to be adjusted.',$response,$tolline,$sigline);
+ } else {
+ $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] needs to be adjusted.',$response,$tolline);
+ }
+ }
+ if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
+ &Apache::lonxml::error($error);
+ } else {
+ &Apache::lonxml::warning($error);
}
}
+
if (defined($unit) and ($unit ne '') and
$tag eq 'numericalresponse') {
if ($target eq 'answer') {
- if ($ENV{'form.answer_output_mode'} eq 'tex') {
+ if ($env{'form.answer_output_mode'} eq 'tex') {
$result.=&Apache::response::answer_part($tag,
" Unit: $unit ");
} else {
@@ -400,7 +468,7 @@ sub get_table_sizes {
my $cell_width=0;
foreach my $member (@$rbubble_values) {
my $cell_width_real=0;
- if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$\\times\s*10\^{(\+|-)?(\d+)}\$/) {
+ if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
$cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
} elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
$cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
@@ -413,11 +481,11 @@ sub get_table_sizes {
}
$cell_width+=8;
my $textwidth;
- if ($ENV{'form.textwidth'} ne '') {
- $ENV{'form.textwidth'}=~/(\d*)\.?(\d*)/;
+ if ($env{'form.textwidth'} ne '') {
+ $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
$textwidth=$1.'.'.$2;
} else {
- $ENV{'textwidth'}=~/(\d+)\.?(\d*)/;
+ $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
$textwidth=$1.'.'.$2;
}
my $bubbles_per_line=int($textwidth/$cell_width);
@@ -458,7 +526,7 @@ sub format_number {
sub make_numerical_bubbles {
my ($number_of_bubbles,$target,$answer,$format,$incorrect,$safeeval) =@_;
- my @bubble_values = ();
+ my @bubble_values=();
&Apache::lonxml::debug("answer is $answer incorrect is $incorrect");
my @oldseed=&Math::Random::random_get_seed();
if (defined($incorrect) && ref($incorrect)) {
@@ -473,15 +541,19 @@ sub make_numerical_bubbles {
&Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": whih are :".join(':',@bubble_values));
&Math::Random::random_set_seed(@oldseed);
if (defined($format) && $format ne '') {
+ my @bubble_display;
foreach my $value (@bubble_values) {
- $value=&format_number($value,$format,$target,$safeeval);
+ push(@bubble_display,
+ &format_number($value,$format,$target,$safeeval));
}
+ return (\@bubble_values,\@bubble_display);
+ } else {
+ return (\@bubble_values,\@bubble_values);
}
- return @bubble_values;
}
if (defined($$incorrect[0]) &&
scalar(@$incorrect)+1 < $number_of_bubbles) {
- &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them.");
+ &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@$incorrect).").");
}
}
my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
@@ -491,14 +563,15 @@ sub make_numerical_bubbles {
my $power = $powers[$ind];
$ind=&Math::Random::random_uniform_integer(1,0,$#factors);
my $factor = $factors[$ind];
+ my @bubble_display;
for ($ind=0;$ind<$number_of_bubbles;$ind++) {
$bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
- $bubble_values[$ind] = &format_number($bubble_values[$ind],
+ $bubble_display[$ind] = &format_number($bubble_values[$ind],
$format,$target,$safeeval);
}
&Math::Random::random_set_seed(@oldseed);
- return @bubble_values;
+ return (\@bubble_values,\@bubble_display);
}
sub get_tolrange {
@@ -519,8 +592,8 @@ sub get_tolrange {
sub get_sigrange {
my ($sig)=@_;
&Apache::lonxml::debug("Got a sig of :$sig:");
- my $courseid=$ENV{'request.course.id'};
- if (lc($ENV{"course.$courseid.disablesigfigs"}) eq 'yes') {
+ my $courseid=$env{'request.course.id'};
+ if (lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
return (15,0);
}
my $sig_lbound;
@@ -540,7 +613,7 @@ sub get_sigrange {
($sig_lbound > 15) ||
($sig =~/(\+|-)/ ) ) {
my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
- if ($ENV{'request.state'} eq 'construct') {
+ if ($env{'request.state'} eq 'construct') {
$errormsg.=
&Apache::loncommon::help_open_topic('Significant_Figures');
}
@@ -603,23 +676,12 @@ sub end_stringresponse {
if (!$Apache::lonxml::default_homework_loaded) {
&Apache::lonxml::default_homework_load($safeeval);
}
- if ( $target eq 'grade' && defined($ENV{'form.submitted'})) {
+ if ( $target eq 'grade' && &Apache::response::submitted() ) {
&Apache::response::setup_params('stringresponse',$safeeval);
$safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
if ($Apache::lonhomework::type eq 'exam' ||
- $ENV{'form.submitted'} eq 'scantron') {
+ &Apache::response::submitted('scantron')) {
$increment=&Apache::response::scored_response($part,$id);
- } elsif ($Apache::lonhomework::type eq 'survey') {
- if ( !defined($ENV{'form.submitted'})) { return ''; }
- my $response = &Apache::response::getresponse();
- if ( $response =~ /[^\s]/) {
- my %previous=&Apache::response::check_for_previous($response,
- $part,$id);
- $Apache::lonhomework::results{"resource.$part.$id.submission"}=
- $response;
- my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
- &Apache::response::handle_previous(\%previous,$ad);
- }
} else {
my $response = &Apache::response::getresponse();
if ( $response =~ /[^\s]/) {
@@ -638,7 +700,7 @@ sub end_stringresponse {
# $answer=$token->[2]->{'answer'};
# }
${$safeeval->varglob('LONCAPA::response')}=$response;
- $result = &Apache::run::run('return $LONCAPA::response=~m'.$answer,$safeeval);
+ $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
&Apache::lonxml::debug("current $response");
&Apache::lonxml::debug("current $answer");
$ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
@@ -662,6 +724,11 @@ sub end_stringresponse {
($ad,$msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
&Apache::lonxml::debug("\n
result:$result:$Apache::lonxml::curdepth
\n");
}
+ if ($Apache::lonhomework::type eq 'survey' &&
+ ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
+ $ad eq 'EXACT_ANS')) {
+ $ad='SUBMITTED';
+ }
&Apache::response::handle_previous(\%previous,$ad);
$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
$Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
@@ -694,6 +761,10 @@ sub end_stringresponse {
# foreach my $ans (@answers) {
if ($target eq 'answer') {
$result.=&Apache::response::answer_part('stringresponse',$answer);
+ if ($type eq 're') {
+ $result.=&Apache::response::answer_part('stringresponse',
+ $answerdisplay);
+ }
} elsif ($target eq 'analyze') {
push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"} },
$answer);
@@ -710,7 +781,7 @@ sub end_stringresponse {
$string='Regular Expression';
}
if ($target eq 'answer') {
- if ($ENV{'form.answer_output_mode'} eq 'tex') {
+ if ($env{'form.answer_output_mode'} eq 'tex') {
$result.=&Apache::response::answer_part('stringresponse',
"$string");
} else {