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Diff for /loncom/homework/caparesponse/caparesponse.pm between versions 1.84 and 1.129

version 1.84, 2003/03/21 15:33:46 version 1.129, 2004/02/13 15:09:52
Line 29 Line 29
 package Apache::caparesponse;  package Apache::caparesponse;
 use strict;  use strict;
 use capa;  use capa;
   use Apache::lonlocal;
   
 BEGIN {  BEGIN {
   &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));      &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));
 }  
   
 sub start_caparesponse {  
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;  
   my $id = &Apache::response::start_response($parstack,$safeeval);  
   return '';  
 }  
   
 sub end_caparesponse {  
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;  
   my $result = '';  
   if ( $target eq 'grade' ) {  
     if ( defined $ENV{'form.submitted'}) {  
       $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);  
       my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};  
       if ( $response =~ /[^\s]/) {  
  my $id = $Apache::inputtags::response['-1'];  
  my $previous= &Apache::response::check_for_previous($response,$id,$response);  
  if ( $previous ) {   
   $result = 'PREVIOUSLY_USED';  
  } else {  
   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;  
   &Apache::lonxml::debug("submitted a $response<br>\n");  
   &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");  
   my $expression="&caparesponse_check('".$response."','".  
     $$parstack[$#$parstack].  
       ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.  
  ';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.  
   "');";  
   $result = &Apache::run::run($expression,$safeeval);  
   my ($ad) = split /:/ , $result;  
   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$ad;  
   &Apache::lonxml::debug("$expression");  
   &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");  
  }  
       }  
     }  
   } elsif ($target eq 'web') {  
     #$result .= "The correct answer is ".&Apache::run::run("{$$parstack['-1'];".'return $answer}',$safeeval)."\n";  
   }  
   #Apache::lonxml::debug("\n<br>\nreal end caparesponse<br>\n");  
   &Apache::response::end_response;  
   return '';  
 }  }
   
 sub start_numericalresponse {  sub start_numericalresponse {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   my $id = &Apache::response::start_response($parstack,$safeeval);      my $id = &Apache::response::start_response($parstack,$safeeval);
   my $result;      my $result;
   if ($target eq 'edit') {      if ($target eq 'edit') {
     $result.=&Apache::edit::tag_start($target,$token);   $result.=&Apache::edit::tag_start($target,$token);
     $result.=&Apache::edit::text_arg('Answer:','answer',$token);   $result.=&Apache::edit::text_arg('Answer:','answer',$token);
     if ($token->[1] eq 'numericalresponse') {   if ($token->[1] eq 'numericalresponse') {
       $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).      $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
                          &Apache::loncommon::help_open_topic('Physical_Units');       $token);
       $result.=&Apache::edit::text_arg('Format:','format',$token,4).      $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
               &Apache::loncommon::help_open_topic('Numerical_Response_Format');   &Apache::loncommon::help_open_topic('Physical_Units');
     } elsif ($token->[1] eq 'stringresponse') {      $result.=&Apache::edit::text_arg('Format:','format',$token,4).
       $result.=&Apache::edit::select_arg('Type:','type',   &Apache::loncommon::help_open_topic('Numerical_Response_Format');
  [['cs','Case Sensitive'],['ci','Case Insensitive'],   } elsif ($token->[1] eq 'formularesponse') {
   ['mc','Case Insensitive, Any Order']],$token);      $result.=&Apache::edit::text_arg('Sample Points:','samples',
     } elsif ($token->[1] eq 'formularesponse') {       $token,40).
       $result.=&Apache::edit::text_arg('Sample Points:','samples',$token,40).        &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
              &Apache::loncommon::help_open_topic('Formula_Response_Sampling');   }
     }   $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
     $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();      } elsif ($target eq 'modified') {
   } elsif ($target eq 'modified') {   my $constructtag;
     my $constructtag;   if ($token->[1] eq 'numericalresponse') {
     if ($token->[1] eq 'numericalresponse') {      $constructtag=&Apache::edit::get_new_args($token,$parstack,
       $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,        $safeeval,'answer',
  'answer','unit','format');        'incorrect','unit',
     } elsif ($token->[1] eq 'stringresponse') {        'format');
       $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,   } elsif ($token->[1] eq 'formularesponse') {
  'answer','type');      $constructtag=&Apache::edit::get_new_args($token,$parstack,
     } elsif ($token->[1] eq 'formularesponse') {        $safeeval,'answer',
       $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,        'samples');
  'answer','samples');   }
     }   if ($constructtag) {
     if ($constructtag) {      $result = &Apache::edit::rebuild_tag($token);
       $result = &Apache::edit::rebuild_tag($token);      $result.=&Apache::edit::handle_insert();
       $result.=&Apache::edit::handle_insert();   }
     }      } elsif ($target eq 'meta') {
   } elsif ($target eq 'meta') {   $result=&Apache::response::meta_package_write('numericalresponse');
     $result=&Apache::response::meta_package_write('numericalresponse');      } elsif ($target eq 'answer' || $target eq 'grade') {
   } elsif ($target eq 'answer' || $target eq 'grade') {   &Apache::response::reset_params();
       &Apache::response::reset_params();      } elsif ($target eq 'web') {
   }   my $partid = $Apache::inputtags::part;
   return $result;   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") {
       my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
       $safeeval);
       if ($unit =~ /\S/) { $result.=" (in $unit) "; }
    }
       }
       return $result;
 }  }
   
 sub end_numericalresponse {  sub end_numericalresponse {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result = '';      my $increment=1;
   if (!$Apache::lonxml::default_homework_loaded) {      my $result = '';
       &Apache::lonxml::default_homework_load($safeeval);      if (!$Apache::lonxml::default_homework_loaded) {
   }   &Apache::lonxml::default_homework_load($safeeval);
   if ( $target eq 'grade' ) {      }
     if ( defined $ENV{'form.submitted'}) {      my $tag;
       &Apache::response::setup_params($$tagstack[-1]);      if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
       $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);      if ( $target eq 'grade' && defined($ENV{'form.submitted'})) {
       my $partid = $Apache::inputtags::part;   &Apache::response::setup_params($tag);
       my $id = $Apache::inputtags::response['-1'];   $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
       my $response = $ENV{'form.HWVAL'.$id};   my $partid = $Apache::inputtags::part;
       if ( $response =~ /[^\s]/) {   my $id = $Apache::inputtags::response['-1'];
  my %previous = &Apache::response::check_for_previous($response,$partid,$id);   if ($Apache::lonhomework::type eq 'exam' && 
  $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;      $tag eq 'formularesponse') {
  &Apache::lonxml::debug("submitted a $response<br>\n");      $increment=&Apache::response::scored_response($partid,$id);
  &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");   } else {
  $response =~ s/\\/\\\\/g;      my $response = &Apache::response::getresponse();
  $response =~ s/\'/\\\'/g;      if ( $response =~ /[^\s]/) {
  &Apache::lonxml::debug("current $response");   my $ad;
  my $expression="&caparesponse_check_list('".$response."','".   my %previous = &Apache::response::check_for_previous($response,$partid,$id);
     $$parstack[-1];   &Apache::lonxml::debug("submitted a $response<br>\n");
  foreach my $key (keys(%Apache::inputtags::params)) {   &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
   $expression.= ';my $'. #'  
     $key.'="'.$Apache::inputtags::params{$key}.'"';   if ($ENV{'form.submitted'} eq 'scantron') {
  }      my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');
  if ($$tagstack[-1] eq 'formularesponse') {      if (!$number_of_bubbles) { $number_of_bubbles=8; }
   $expression.=';my $type="fml";';      my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
  } elsif ($$tagstack[-1] eq 'numericalresponse') {      my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
   $expression.=';my $type="float";';      my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
  }      my @values=&make_numerical_bubbles($number_of_bubbles,$target,$answers[0],$formats[0],\@incorrect);
  $expression.="');";      $response=$values[$response];
  $result = &Apache::run::run($expression,$safeeval);   } else {
  my ($awards) = split /:/ , $result;      $response =~ s/\\/\\\\/g;
  my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);      $response =~ s/\'/\\\'/g;
  &Apache::response::handle_previous(\%previous,$ad);   }
  $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;   $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
  &Apache::lonxml::debug("$expression");   &Apache::lonxml::debug("current $response");
  &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");   my $expression="&caparesponse_check_list('".$response."','".
  $result='';      $$parstack[-1];
       }   my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
     }  
   } elsif ($target eq 'web' || $target eq 'tex') {   foreach my $key (keys(%Apache::inputtags::params)) {
       my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};      $expression.= ';my $'. #'
       my $status = $Apache::inputtags::status['-1'];   $key.'="'.$Apache::inputtags::params{$key}.'"';
       if ($award =~ /^correct/ || $status eq "SHOW_ANSWER" ) {   }
   
    #no way to enter units, with radio buttons
    if ($Apache::lonhomework::type eq 'exam' ||
       lc($hideunit) eq "yes") {
       $expression.=';my $unit=undef;';
    }
    #sig fig don't make much sense either
    if (($Apache::lonhomework::type eq 'exam' ||
        $ENV{'form.submitted'} eq 'scantron') &&
       $tag eq 'numericalresponse') {
       $expression.=';my $sig=undef;';
    }
   
    if ($tag eq 'formularesponse') {
       $expression.=';my $type="fml";';
    } elsif ($tag eq 'numericalresponse') {
       $expression.=';my $type="float";';
    }
    $expression.="');";
    my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
    &Apache::lonxml::debug('answer is'.join(':',@answer));
    @{$safeeval->varglob('CAPARESPONSE_CHECK_LIST_answer')}=@answer;
   
    $result = &Apache::run::run($expression,$safeeval);
    my ($awards) = split /:/ , $result;
    ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
    &Apache::lonxml::debug("$expression");
    &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
    &Apache::response::handle_previous(\%previous,$ad);
    $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
    $result='';
       }
    }
       } elsif ($target eq 'web' || $target eq 'tex') {
  my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,   my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
      $safeeval);       $safeeval);
  my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,   my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
      $safeeval);   my $status = $Apache::inputtags::status['-1'];
  my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);   if (  &Apache::response::show_answer() ) {
       my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
    $safeeval);
       my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
       $safeeval);
       if ($target eq 'web') {
    $result="<br />".&mt('The correct answer is')." ";
       }
       for (my $i=0; $i <= $#answers; $i++) {
    my $answer=$answers[$i];
    my $format;
    if ($#formats > 0) {
       $format=$formats[$i];
    } else {
       $format=$formats[0];
    }
    my $formatted;
    if ((defined($format)) && ($format ne '')) {
       $format=~s/e/E/g;
       &Apache::lonxml::debug("formatting with :$format: answer :$answer:");
       $formatted=sprintf('%.'.$format,$answer).',';
    } else {
       &Apache::lonxml::debug("no format answer :$answer:");
       $formatted="$answer,";
    }
    if ($target eq 'tex') {
       $formatted='';
       #$formatted=&Apache::lonxml::latex_special_symbols($formatted);
    }
    $result.=$formatted;
       }
       chop $result;
       if ($target eq 'web') {
    $result.=" $unit.<br />";
       }
    }
    if ($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 = $Apache::inputtags::params{'numbubbles'};
       }
       if (!$number_of_bubbles) { $number_of_bubbles=8; }
       
       my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
    $safeeval);
       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],
         $formats[0],\@incorrect);
       my @alphabet=('A'..'Z');
       if ($target eq 'web') {
    if ($tag eq 'numericalresponse') {
       if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
       $result.= '<table border="1"><tr>';
       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]) {
       $checked=" checked='on' ";
    }
    $result.='<td><input type="radio" name="HWVAL_'.$id.
       '" value="'.$bubble_values[$ind].'" '.$checked
       .' /><b>'.$alphabet[$ind].'</b>: '.
       $bubble_values[$ind].'</td>';
       }
       $result.='</tr></table>';
    } elsif ($tag eq 'formularesponse') {
       $result.= '<br /><br /><font color="red">
                              <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
                              </textarea></font> <br /><br />';
    }
       } elsif ($target eq 'tex') {
    if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
       $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
    }
    if ($tag eq 'numericalresponse') {
       my ($celllength,$number_of_tables,@table_range)=
    &get_table_sizes($number_of_bubbles,\@bubble_values);
       my $j=0;
       my $cou=0;
       $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
       for (my $i=0;$i<$number_of_tables;$i++) {
    $result.='\vskip -1 mm \noindent \begin{tabular}{';
    for (my $ind=0;$ind<$table_range[$j];$ind++) {
       $result.='p{3 mm}p{'.$celllength.' mm}';
    }
    $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].'} ';
       if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
    }
    $cou += $table_range[$j];
    $j++;
    $result.='\\\\\end{tabular}\vskip 0 mm ';
       }
       $result.='\end{enumerate}';
    } else {
       $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
       my $repetition = &Apache::response::repetition();
       $result.='\begin{enumerate}';
       for (my $i=0;$i<$repetition;$i++) {
    $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).'}.]\textit{Leave blank on scoring form}\vskip 0 mm';
       }
       $increment=$repetition;
       $result.= '\end{enumerate}';
    }
       }
    }
       } elsif ($target eq 'edit') {
    $result.='</td></tr>'.&Apache::edit::end_table;
       } elsif ($target eq 'answer' || $target eq 'analyze') {
   
  if ($target eq 'web') {   my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
   $result="<br />The correct answer is ";   if ($target eq 'analyze') {
         } elsif ($target eq 'tex') {      push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
   #$result='\vskip 0 mm The correct answer is \\texttt{';      $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
         }      my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
  for (my $i=0; $i <= $#answers; $i++) {      push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
    my $answer=$answers[$i];   }
    my $format;   if (scalar(@$tagstack)) {
    if ($#formats > 0) {      &Apache::response::setup_params($tag);
      $format=$formats[$i];   }
    } else {   my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
      $format=$formats[0];  
    }  
    my $formatted;  
    if ((defined($format)) && ($format ne '')) {  
      &Apache::lonxml::debug("formatting with :$format: answer :$answer:");  
      $formatted=sprintf('%.'.$format,$answer).',';  
    } else {  
      &Apache::lonxml::debug("no format answer :$answer:");  
      $formatted="$answer,";  
    }  
   
    if ($target eq 'tex') {  
        $formatted='';  
        #$formatted=&Apache::lonxml::latex_special_symbols($formatted);  
    }  
    $result.=$formatted;  
        }  
    chop $result;  
    if ($target eq 'web') {  
      $result.=" $unit.<br />";  
    } elsif ($target eq 'tex') {  
      #$result.=&Apache::lonxml::latex_special_symbols($unit);  
      #$result.="}. \\vskip 0 mm ";  
    }  
        }  
       if ($Apache::lonhomework::type eq 'exam') {  
       my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);  
  my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);   my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
  my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);   my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
  my $number_of_bubbles = 8; #default values for number of bubbles   my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
  my @bubbles_values = ();   
  my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors   if ($target eq 'answer') {
  my @powers = (1.0,2.0,3.0,4.0,5.0,6.0,7.0,8.0); #default values for powers      $result.=&Apache::response::answer_header($tag);
  my $factors_number = 5; #default values for number of factors   }
  my $powers_number = 8; #default values for number of powers   for(my $i=0;$i<=$#answers;$i++) {
  my $symb;      my $ans=$answers[$i];
  if ($ENV{'form.symb'}=~/___\d+___/) {$symb=$ENV{'form.symb'};} else {$symb=$ENV{'request.symb'};}      my $fmt=$formats[0];
       if (@formats && $#formats) {$fmt=$formats[$i];}
  &Apache::response::setrandomnumber();      my ($high,$low);
  my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);      if ($Apache::inputtags::params{'tol'}) {
  my $power = $powers[$ind];   ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
  $ind=&Math::Random::random_uniform_integer(1,0,$#factors);      }
  my $factor = $factors[$ind];      my ($sighigh,$siglow);
  for ($ind=0;$ind<$number_of_bubbles;$ind++) {      if ($Apache::inputtags::params{'sig'}) {
     $bubbles_values[$ind] = $answers[0]*($factor**($power-$powers[$#powers-$ind]));   ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
  }      }
  my @alphabet=('A'..'Z');      if ($fmt && $tag eq 'numericalresponse') {
         if ($target eq 'web') {   $fmt=~s/e/E/g;
   if ($$tagstack[-1] eq 'numericalresponse') {   $ans = sprintf('%.'.$fmt,$ans);
     my $id=$Apache::inputtags::response[-1];   if ($high) {
     $result.=' (<i>in '.$unit.'</i>)<br /><br />';      $high=sprintf('%.'.$fmt,$high);
     $result.= '<table border="1"><tr>';      $low =sprintf('%.'.$fmt,$low);
     for ($ind=0;$ind<$number_of_bubbles;$ind++) {   }
  my $ans;      }
  if ($formats[0] ne '') {      if ($target eq 'answer') {
     $ans = sprintf('%.'.$formats[0],$bubbles_values[$ind]);   if ($high && $tag eq 'numericalresponse') { $ans.=' ['.$low.','.$high.']'; }
  } else {   if ($sighigh && $tag eq 'numericalresponse') {
     my $badans = $bubbles_values[$ind];      if ($ENV{'form.answer_output_mode'} eq 'tex') {
     my $format = '';    $ans.= " Sig $siglow - $sighigh";
                     #What is the number? (integer,decimal,floating point)      } else {
                     if ($badans=~/^(\d*\.?\d*)(E|e)(\d*)$/) {   $ans.= " Sig <i>$siglow - $sighigh</i>";
  $format = 'e'.$2;  
     } elsif ($badans=~/^(\d*)\.(\d*)$/) {  
  $format = '4f';  
     } elsif ($badans=~/^(\d*)$/) {  
  $format = 'd';  
     }      }
     $ans = sprintf('%.'.$format,$bubbles_values[$ind]);  
  }   }
     $result.='<td><input type="radio" name="HWVAL'.$id.'" value="'.$ans.'"><b>'.$alphabet[$ind].'</b>: '.$ans.'</td>';   $result.=&Apache::response::answer_part($tag,$ans);
       } elsif ($target eq 'analyze') {
    push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);
    if ($high) {
       push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);
       push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);
    }
     }      }
     $result.='</tr></table>';   }
   } elsif ($$tagstack[-1] eq 'formularesponse') {   if (defined($unit) and ($unit ne '') and
     $result.= '<br /><br /><font color="red"> Formula have to be entered here! </font><br /><br />';      $tag eq 'numericalresponse') {
   }      if ($target eq 'answer') {
  } elsif ($target eq 'tex') {   if ($ENV{'form.answer_output_mode'} eq 'tex') {
  if (defined $unit and $Apache::lonhomework::type eq 'exam') {      $result.=&Apache::response::answer_part($tag,
    $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';      " Unit: $unit ");
          }   } else {
  if ($$tagstack[-1] eq 'numericalresponse') {      $result.=&Apache::response::answer_part($tag,
      my $max_val = 0;      "Unit: <b>$unit</b>");
      if ($formats[0]=~m/^(\d+)E([^\d]*)(\d*)$/) {   }
  $max_val=$1+$2+4;      } elsif ($target eq 'analyze') {
      } else {   push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
  $max_val=4;      }
      }   }
      $max_val = int(0.9*$ENV{'form.textwidth'}/(($max_val+6)*2));   if ($tag eq 'formularesponse' && $target eq 'answer') {
  my $celllength = 0.9*$ENV{'form.textwidth'}/$max_val-10;      my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
      my @table_range = ();      $result.=&Apache::response::answer_part($tag,$samples);
      my $number_of_tables = int($number_of_bubbles/$max_val);   }
  for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$max_val;}   if ($target eq 'answer') {
      if ($number_of_bubbles % $max_val != 0) {      $result.=&Apache::response::answer_footer($tag);
     $number_of_tables++;   }
     push @table_range,($number_of_bubbles % $max_val);      }
  }      if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || 
      my $j=0;   $target eq 'tex' || $target eq 'analyze') {
      my $cou=0;   &Apache::lonxml::increment_counter($increment);
      $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';      }
      for (my $i=0;$i<$number_of_tables;$i++) {      &Apache::response::end_response;
  $result.='\vskip -1 mm \noindent \begin{tabular}{';      return $result;
  for ($ind=0;$ind<$table_range[$j];$ind++) {  }
      $result.='lp{'.$celllength.' mm}';  
  }  sub get_table_sizes {
  $result.='}';      my ($number_of_bubbles,$rbubble_values)=@_;
  for ($ind=$cou;$ind<$cou+$table_range[$j];$ind++) {      my $scale=2; #mm for one digit
      my $ans;      my $cell_width=0;
      if ($formats[0] ne '') {      foreach my $member (@$rbubble_values) {
  $ans = sprintf('%.'.$formats[0],$bubbles_values[$ind]);   my $cell_width_real=0;
  if ($ans =~ m/([0-9\.\-\+]+)E([0-9\-\+]+)/ ) {   if ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
      my $number = $1;      $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
      my $power = $2;   } elsif ($member=~/(\d*)\.?(\d*)/) {
      $power=~s/^\+//;      $cell_width_real=(length($1)+length($2)+2)*$scale;
      $power=~s/^(-?)0+(\d+)//;   } else {
      $ans=$number.'$\times 10^{'.$1.$2.'}$'; #'stupidemacs      $cell_width_real=(length($member)+1)*$scale;
  }    }
      } else {   if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
  my $badans = $bubbles_values[$ind];      }
  my $format = '';       $cell_width+=8;
  #What is the number? (integer,decimal,floating point)      $ENV{'form.textwidth'}=~/(\d+)/;
  if ($badans=~/^(\d*\.?\d*)(E|e)(\d*)$/) {      my $textwidth=$1;
      $format = 'e'.$2;      my $bubbles_per_line=int($textwidth/$cell_width);
  } elsif ($badans=~/^(\d*)\.(\d*)$/) {      my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
      $format = '4f';      my @table_range = ();
  } elsif ($badans=~/^(\d*)$/) {      for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
      $format = 'd';      if ($number_of_bubbles % $bubbles_per_line) {
  }   $number_of_tables++;
  $ans = sprintf('%.'.$format,$bubbles_values[$ind]);   push @table_range,($number_of_bubbles % $bubbles_per_line);
  if ($ans =~ m/([0-9\.\-\+]+)E([0-9\-\+]+)/ ) {      }
      my $number = $1;      $cell_width-=8;
      my $power = $2;      return ($cell_width,$number_of_tables,@table_range);
      $power=~s/^\+//;  }
      $power=~s/^(-?)0+(\d+)//;  
      $ans=$number.'$\times 10^{'.$1.$2.'}$'; #'stupidemacs  sub format_number {
  }       my ($number,$format,$target)=@_;
      }      my $ans;
      $result.='\hskip -3 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -2 mm & {\small '.$ans.'} ';      if ($format ne '') {
      if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}   $format=~s/e/E/g;
  }   $ans = sprintf('%.'.$format,$number);
  $cou += $table_range[$j];      } else {
  $j++;   my $format = '';
  $result.='\\\\\end{tabular}\vskip 0 mm ';       #What is the number? (integer,decimal,floating point)
      }   if ($number=~/^(\d*\.?\d*)(E|e)(\d*)$/) {
      $result.='\end{enumerate}';      $format = '3e';
      &Apache::lonxml::increment_counter();   } elsif ($number=~/^(\d*)\.(\d*)$/) {
          } else {      $format = '4f';
      $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';   } elsif ($number=~/^(\d*)$/) {
     my $id = $Apache::inputtags::part;      $format = 'd';
     my $weight = &Apache::lonnet::EXT("resource.$id.weight");   }
             my $repetition = int $weight/9;   $ans = sprintf('%.'.$format,$number);
     if ($weight % 9 != 0) {$repetition++;}       }
       $result.='\begin{enumerate}';      if ($target eq 'tex') {
       for (my $i=0;$i<$repetition;$i++) {   if ($ans =~ m/([0-9\.\-\+]+)E([0-9\-\+]+)/ ) {
  $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Leave blank on scoring form}\vskip 0 mm';      my $number = $1;
  &Apache::lonxml::increment_counter();      my $power = $2;
       }      $power=~s/^\+//;
       $result.= '\end{enumerate}';      $power=~s/^(-?)0+(\d+)/$1$2/;
     }      $ans=$number.'$\times 10^{'.$power.'}$'; #'stupidemacs
  }   }
     }      }
   } elsif ($target eq 'edit') {      return $ans;
     $result.='</td></tr>'.&Apache::edit::end_table;  }
   } elsif ($target eq 'answer' || $target eq 'analyze') {  
   sub make_numerical_bubbles {
       my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";      my ($number_of_bubbles,$target,$answer,$format,$incorrect) =@_;
       if ($target eq 'analyze') {      my @bubble_values = ();
   push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);      &Apache::lonxml::debug("answer is $answer incorrect is $incorrect");
   $Apache::lonhomework::analyze{"$part_id.type"} = $$tagstack[-1];      my @oldseed=&Math::Random::random_get_seed();
       }      if (defined($incorrect) && ref($incorrect)) {
       &Apache::response::setup_params($$tagstack[-1]);   &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1 gt $number_of_bubbles));
       my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);   if (defined($$incorrect[0]) &&
       my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);      scalar(@$incorrect)+1 >= $number_of_bubbles) {
       my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);      &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1).":$number_of_bubbles");
       my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);      &Apache::response::setrandomnumber();
       my @rand_inc=&Math::Random::random_permutation(@$incorrect);
       if ($target eq 'answer') {      @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
   $result.=&Apache::response::answer_header($$tagstack[-1]);      @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
       }      &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": whih are :".join(':',@bubble_values));
       for(my $i=0;$i<=$#answers;$i++) {      &Math::Random::random_set_seed(@oldseed);
   my $ans=$answers[$i];      return @bubble_values;
   my $fmt;   }
   if (@formats) {   if (defined($$incorrect[0]) &&
       if ($#formats) {      scalar(@$incorrect)+1 < $number_of_bubbles) {
   $fmt=$formats[$i];      &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them.");
       } else {   }
   $fmt=$formats[0];      }
       }      my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
   }      my @powers = (1..$number_of_bubbles);
   my ($high,$low);      &Apache::response::setrandomnumber();
   if ($Apache::inputtags::params{'tol'}) {      my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
       ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});      my $power = $powers[$ind];
   }      $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
   my ($sighigh,$siglow);      my $factor = $factors[$ind];
   if ($Apache::inputtags::params{'sig'}) {      for ($ind=0;$ind<$number_of_bubbles;$ind++) {
       ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});   $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
   }   $bubble_values[$ind] = &format_number($bubble_values[$ind],
   if ($fmt) {         $format,$target);
       $ans = sprintf('%.'.$fmt,$ans);  
       if ($high) {      }
   $high = sprintf('%.'.$fmt,$high); $low = sprintf('%.'.$fmt,$low);      &Math::Random::random_set_seed(@oldseed);
       }      return @bubble_values;
   }  
   if ($target eq 'answer') {  
       if ($high) { $ans.=' ['.$low.','.$high.']'; }  
       if ($sighigh) { $ans.= " Sig <i>$siglow - $sighigh</i>"; }  
       $result.=&Apache::response::answer_part($$tagstack[-1],$ans);  
   } elsif ($target eq 'analyze') {  
       push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} },  
     $ans);  
       if ($high) {  
   push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);  
   push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);  
       }  
   }  
       }  
       if ($unit) {  
   if ($target eq 'answer') {  
       $result.=&Apache::response::answer_part($$tagstack[-1],  
       "Unit: <b>$unit</b>");  
   } elsif ($target eq 'analyze') {  
       push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} },  
     $unit);  
   }  
       }  
       if ($type || $token->[1] eq 'stringresponse') {  
   my $string='Case Insensitive';  
   if ($type eq 'mc') {  
       $string='Multiple Choice';  
   } elsif ($type eq 'cs') {  
       $string='Case Sensitive';  
   } elsif ($type eq 'ci') {  
       $string='Case Insensitive';  
   } elsif ($type eq 'fml') {  
       $string='Formula';  
   }  
   if ($target eq 'answer') {  
       $result.=&Apache::response::answer_part($$tagstack[-1],  
       '<b>'.$string.'</b>');  
   } elsif ($target eq 'analyze') {  
       push (@{ $Apache::lonhomework::analyze{"$part_id.type"} },  
     $type);  
   }  
       }  
       if ($$tagstack[-1] eq 'formularesponse' && $target eq 'answer') {  
   my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);  
   $result.=&Apache::response::answer_part($$tagstack[-1],$samples);  
       }  
       if ($target eq 'answer') {  
   $result.=&Apache::response::answer_footer($$tagstack[-1]);  
       }  
   }  
   &Apache::response::end_response;  
   return $result;  
 }  }
   
 sub get_tolrange {  sub get_tolrange {
   my ($ans,$tol)=@_;      my ($ans,$tol)=@_;
   my ($high,$low);      my ($high,$low);
   if ($tol =~ /%$/) {      if ($tol =~ /%$/) {
     chop($tol);   chop($tol);
     my $change=$ans*($tol/100.0);   my $change=$ans*($tol/100.0);
     $high=$ans+$change;   $high=$ans+$change;
     $low=$ans-$change;   $low=$ans-$change;
   } else {      } else {
     $high=$ans+$tol;   $high=$ans+$tol;
     $low=$ans-$tol;   $low=$ans-$tol;
   }      }
   return ($high,$low);      return ($high,$low);
 }  }
   
 sub get_sigrange {  sub get_sigrange {
   my ($sig)=@_;      my ($sig)=@_;
   &Apache::lonxml::debug("Got a sig of :$sig:");      &Apache::lonxml::debug("Got a sig of :$sig:");
   my $sig_lbound;      my $sig_lbound;
   my $sig_ubound;      my $sig_ubound;
   if ($sig eq '') {      if ($sig eq '') {
     $sig_lbound = 0; #SIG_LB_DEFAULT   $sig_lbound = 0; #SIG_LB_DEFAULT
     $sig_ubound =15; #SIG_UB_DEFAULT   $sig_ubound =15; #SIG_UB_DEFAULT
   } else {      } else {
     ($sig_lbound,$sig_ubound) = split(/,/,$sig);   ($sig_lbound,$sig_ubound) = split(/,/,$sig);
     if (!$sig_lbound) {   if (!$sig_lbound) {
       $sig_lbound = 0; #SIG_LB_DEFAULT      $sig_lbound = 0; #SIG_LB_DEFAULT
       $sig_ubound =15; #SIG_UB_DEFAULT      $sig_ubound =15; #SIG_UB_DEFAULT
     }   }
     if (!$sig_ubound) { $sig_ubound=$sig_lbound; }   if (!$sig_ubound) { $sig_ubound=$sig_lbound; }
   }      }
   return ($sig_ubound,$sig_lbound);      return ($sig_ubound,$sig_lbound);
 }  }
   
 sub start_stringresponse {  sub start_stringresponse {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result;      my $result;
   if ($target eq 'meta') {      my $id = &Apache::response::start_response($parstack,$safeeval);
     $result=&Apache::response::meta_package_write('stringresponse');      if ($target eq 'meta') {
   } else {   &Apache::response::start_response($parstack,$safeeval);
     $result.=&start_numericalresponse(@_);   $result=&Apache::response::meta_package_write('stringresponse');
   }   &Apache::response::end_response();
   return $result;      } elsif ($target eq 'edit') {
    $result.=&Apache::edit::tag_start($target,$token);
    $result.=&Apache::edit::text_arg('Answer:','answer',$token);
    $result.=&Apache::edit::select_arg('Type:','type',
    [['cs','Case Sensitive'],['ci','Case Insensitive'],
     ['mc','Case Insensitive, Any Order'],
     ['re','Regular Expression']],$token);
    $result.=&Apache::edit::checked_arg('Answer Display:','answerdisplay',
       [['inline','Inline']],$token);
    $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
       } elsif ($target eq 'modified') {
    &Apache::edit::get_new_args($token,$parstack,
       $safeeval,'answer','type');
    my $answerdisplay=$ENV{'form.'.&Apache::edit::html_element_name('answerdisplay')};
    if ($answerdisplay) {
       $token->[2]->{'answerdisplay'}=$answerdisplay;
    } else {
       delete $token->[2]->{'answerdisplay'};
    }
    $result = &Apache::edit::rebuild_tag($token);
    $result.=&Apache::edit::handle_insert();
       } elsif ($target eq 'answer' || $target eq 'grade') {
    &Apache::response::reset_params();
       }
       return $result;
 }  }
   
 sub end_stringresponse {  sub end_stringresponse {
   return end_numericalresponse(@_);      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       my $increment=1;
       my $result = '';
       my $part=$Apache::inputtags::part;
       my $id=$Apache::inputtags::response[-1];
       my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
       my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
       my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
       &Apache::lonxml::debug("current $answer ".$token->[2]);
       if (!$Apache::lonxml::default_homework_loaded) {
    &Apache::lonxml::default_homework_load($safeeval);
       }
       if ( $target eq 'grade' && defined($ENV{'form.submitted'})) {
    &Apache::response::setup_params('stringresponse');
    $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
    if ($Apache::lonhomework::type eq 'exam' ||
       $ENV{'form.submitted'} eq 'scantron') {
       $increment=&Apache::response::scored_response($part,$id);
    } else {
       my $response = &Apache::response::getresponse();
       if ( $response =~ /[^\s]/) {
    my %previous = &Apache::response::check_for_previous($response,
       $part,$id);
    &Apache::lonxml::debug("submitted a $response<br>\n");
    &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
   
    $Apache::lonhomework::results{"resource.$part.$id.submission"}=
       $response;
    my $ad;
    if ($type eq 're' ) { 
       # if the RE wasn't in a var it likely got munged,
                       # thus grab it from the var directly
   #    my $testans=$token->[2]->{'answer'};
   #    if ($testans !~ m/^\s*\$/) {
   # $answer=$token->[2]->{'answer'};
   #    }
       ${$safeeval->varglob('LONCAPA_INTERNAL_response')}=
    $response;
       $result = &Apache::run::run('return $LONCAPA_INTERNAL_response=~m'.$answer,$safeeval);
       &Apache::lonxml::debug("current $response");
       &Apache::lonxml::debug("current $answer");
       $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
    } else {
       $response =~ s/\\/\\\\/g;
       $response =~ s/\'/\\\'/g;
       &Apache::lonxml::debug("current $response");
       my $expression="&caparesponse_check_list('".$response."','".
    $$parstack[-1];
       foreach my $key (keys(%Apache::inputtags::params)) {
    $expression.= ';my $'. #'
       $key.'="'.$Apache::inputtags::params{$key}.'"';
       }
       $expression.="');";
       &Apache::lonxml::debug('answer is'.join(':',$answer));
       @{$safeeval->varglob('CAPARESPONSE_CHECK_LIST_answer')}=($answer);
       $result = &Apache::run::run($expression,$safeeval);
       my ($awards) = split /:/ , $result;
       ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
       &Apache::lonxml::debug("$expression");
       &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
    }
    &Apache::response::handle_previous(\%previous,$ad);
    $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
       }
    }
       } elsif ($target eq 'web' || $target eq 'tex') {
    my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
    my $status = $Apache::inputtags::status['-1'];
    if (  &Apache::response::show_answer() ) {
       if ($target eq 'web') {
    $result=($answerdisplay eq 'inline'?'':"<br />".&mt('The correct answer is')." ")
       .$answer;
   #    join(', ',@answers).".<br />";
       }
    }
    if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
       $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
       $increment = &Apache::response::repetition();
       $result.='\begin{enumerate}';
       for (my $i=0;$i<$increment;$i++) {
    $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).
       '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
       }
       $result.= '\end{enumerate}';
    }
       } elsif ($target eq 'answer' || $target eq 'analyze') {
    if ($target eq 'analyze') {
       push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
       $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
    }
    &Apache::response::setup_params('stringresponse');
    if ($target eq 'answer') {
       $result.=&Apache::response::answer_header('stringresponse');
    }
   # foreach my $ans (@answers) {
       if ($target eq 'answer') {
    $result.=&Apache::response::answer_part('stringresponse',$answer);
       } elsif ($target eq 'analyze') {
    push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"} },
         $answer);
       }
   # }
    my $string='Case Insensitive';
    if ($type eq 'mc') {
       $string='Multiple Choice';
    } elsif ($type eq 'cs') {
       $string='Case Sensitive';
    } elsif ($type eq 'ci') {
       $string='Case Insensitive';
    } elsif ($type eq 're') {
       $string='Regular Expression';
    }
    if ($target eq 'answer') {
       if ($ENV{'form.answer_output_mode'} eq 'tex') {
    $result.=&Apache::response::answer_part('stringresponse',
    "$string");
       } else {
    $result.=&Apache::response::answer_part('stringresponse',
    "<b>$string</b>");
       }
    } elsif ($target eq 'analyze') {
       push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
     $type);
    }
    if ($target eq 'answer') {
       $result.=&Apache::response::answer_footer('stringresponse');
    }
       } elsif ($target eq 'edit') {
    $result.='</td></tr>'.&Apache::edit::end_table;
       }
       if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || 
    $target eq 'tex' || $target eq 'analyze') {
    &Apache::lonxml::increment_counter($increment);
       }
       &Apache::response::end_response;
       return $result;
 }  }
   
 sub start_formularesponse {  sub start_formularesponse {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result;      my $result;
   if ($target eq 'meta') {      if ($target eq 'meta') {
     $result=&Apache::response::meta_package_write('formularesponse');   &Apache::response::start_response($parstack,$safeeval);
   } else {   $result=&Apache::response::meta_package_write('formularesponse');
     $result.=&start_numericalresponse(@_);   &Apache::response::end_response();
   }      } else {
   return $result;   $result.=&start_numericalresponse(@_);
       }
       return $result;
 }  }
   
 sub end_formularesponse {  sub end_formularesponse {
   return end_numericalresponse(@_);      return end_numericalresponse(@_);
 }  }
   
 1;  1;
 __END__  __END__
    
Removed from v.1.84  
changed lines
  Added in v.1.129

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