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Diff for /loncom/homework/radiobuttonresponse.pm between versions 1.113 and 1.135

version 1.113, 2007/03/27 19:20:49 version 1.135, 2008/09/05 12:50:45
Line 18 Line 18
 # GNU General Public License for more details.  # GNU General Public License for more details.
 #  #
 # You should have received a copy of the GNU General Public License  # You should have received a copy of the GNU General Public License
 # along with LON-CAPA; if not, write to the Free Software  # along with LON-CAPA; if not, write to the Free Software# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA  
 #  #
 # /home/httpd/html/adm/gpl.txt  # /home/httpd/html/adm/gpl.txt
 #  #
Line 31  use strict; Line 30  use strict;
 use HTML::Entities();  use HTML::Entities();
 use Apache::lonlocal;  use Apache::lonlocal;
 use Apache::lonnet;  use Apache::lonnet;
   use Apache::response;
   
   my $default_bubbles_per_line = 10;
   
   
 BEGIN {  BEGIN {
     &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));      &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
 }  }
   
   sub bubble_line_count {
       my ($numfoils, $bubbles_per_line) = @_;
       my $bubble_lines;
       $bubble_lines = int($numfoils / $bubbles_per_line);
       if (($numfoils % $bubbles_per_line) != 0) {
    $bubble_lines++;
       }
       return $bubble_lines;
       
   }
   
   
 sub start_radiobuttonresponse {  sub start_radiobuttonresponse {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;      my $result;
   
     #when in a radiobutton response use these      #when in a radiobutton response use these
     &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));      &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
     push (@Apache::lonxml::namespace,'radiobuttonresponse');      push (@Apache::lonxml::namespace,'radiobuttonresponse');
     my $id = &Apache::response::start_response($parstack,$safeeval);      my $id = &Apache::response::start_response($parstack,$safeeval);
   
     %Apache::hint::radiobutton=();      %Apache::hint::radiobutton=();
     undef(%Apache::response::foilnames);      undef(%Apache::response::foilnames);
     if ($target eq 'meta') {      if ($target eq 'meta') {
Line 83  sub start_radiobuttonresponse { Line 100  sub start_radiobuttonresponse {
  } else {   } else {
     $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';      $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
  }   }
  $result .= '\begin{enumerate}';          if($env{'form.pdfFormFields'} eq 'yes') {
               $result .= &Apache::lonxml::print_pdf_hiddenfield('meta', $env{'user.name'}, $env{'user.domain'});
               $result .= "\n\\\\\n\\\\\n";
           } else {
               $result .= '\begin{enumerate}';
           }
     } elsif ($target eq 'analyze') {      } elsif ($target eq 'analyze') {
  my $part_id="$Apache::inputtags::part.$id";   my $part_id="$Apache::inputtags::part.$id";
           $Apache::lonhomework::analyze{"$part_id.type"} = 'radiobuttonresponse';
  push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);   push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
     }      }
     return $result;      return $result;
Line 95  sub end_radiobuttonresponse { Line 118  sub end_radiobuttonresponse {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;      my $result;
     if ($target eq 'edit') { $result=&Apache::edit::end_table(); }      if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
     if ($target eq 'tex') { $result .= '\end{enumerate}'; }      if ($target eq 'tex' and $env{'form.pdfFormFields'} ne 'yes') { 
           $result .= '\end{enumerate}'; 
       }
     &Apache::response::end_response;      &Apache::response::end_response;
     pop @Apache::lonxml::namespace;      pop @Apache::lonxml::namespace;
     &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));      &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
Line 136  sub storesurvey { Line 161  sub storesurvey {
     return '';      return '';
 }  }
   
   
 sub grade_response {  sub grade_response {
     my ($max,$randomize)=@_;      my ($answer, $whichfoils, $bubbles_per_line)=@_;
     #keep the random numbers the same must always call this  
     my ($answer,@whichfoils)=&whichfoils($max,$randomize);  
     if ( !&Apache::response::submitted() ) { return; }      if ( !&Apache::response::submitted() ) { return; }
     my $response;      my $response;
       
     if ($env{'form.submitted'} eq 'scantron') {      if ($env{'form.submitted'} eq 'scantron') {
  $response=&Apache::response::getresponse();   $response = &Apache::response::getresponse(1,undef,
      &bubble_line_count(scalar(@{ $whichfoils}),
         $bubbles_per_line),
      $bubbles_per_line);
   
     } else {      } else {
  $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};   $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
     }      }
   
   
     if ( $response !~ /[0-9]+/) { return; }      if ( $response !~ /[0-9]+/) { return; }
     my $part=$Apache::inputtags::part;      my $part=$Apache::inputtags::part;
     my $id = $Apache::inputtags::response['-1'];      my $id = $Apache::inputtags::response['-1'];
     my %responsehash;      my %responsehash;
     $responsehash{$whichfoils[$response]}=$response;      $responsehash{$whichfoils->[$response]}=$response;
     my $responsestr=&Apache::lonnet::hash2str(%responsehash);      my $responsestr=&Apache::lonnet::hash2str(%responsehash);
     my %previous=&Apache::response::check_for_previous($responsestr,      my %previous=&Apache::response::check_for_previous($responsestr,
        $part,$id);         $part,$id);
Line 172  sub end_foilgroup { Line 204  sub end_foilgroup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   
     my $result;      my $result;
       my $bubble_lines;
       my $bubbles_per_line;
       my $answer_count;
       my $id   = $Apache::inputtags::response['-1'];
       my $part = $Apache::inputtags::part;
       $bubbles_per_line = 
    &Apache::response::get_response_param($Apache::inputtags::part."_$id",
         'numbubbles',
         $default_bubbles_per_line);
   
   
     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||      if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
  $target eq 'tex' || $target eq 'analyze') {   $target eq 'tex' || $target eq 'analyze') {
  my $style = $Apache::lonhomework::type;   my $style = $Apache::lonhomework::type;
Line 180  sub end_foilgroup { Line 223  sub end_foilgroup {
  if ( $style eq 'survey'  && $target ne 'analyze') {   if ( $style eq 'survey'  && $target ne 'analyze') {
     if ($target eq 'web' || $target eq 'tex') {      if ($target eq 'web' || $target eq 'tex') {
  $result=&displayallfoils($direction, $target);   $result=&displayallfoils($direction, $target);
  if ($target eq 'web') {  
     &setup_prior_tries_hash();  
  }  
     } elsif ( $target eq 'answer' ) {      } elsif ( $target eq 'answer' ) {
  $result=&displayallanswers();   $result=&displayallanswers();
     } elsif ( $target eq 'grade' ) {      } elsif ( $target eq 'grade' ) {
  $result=&storesurvey();   $result=&storesurvey();
     }      }
       $answer_count = scalar(@{$Apache::response::foilgroup{'names'}});
   
  } else {   } else {
   
     my $name;      my $name;
     my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,      my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,
  '-2');   '-2');
     my $randomize = &Apache::lonxml::get_param('randomize',$parstack,      my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
        $safeeval,'-2');         $safeeval,'-2');
       my ($answer, @shown) = &whichfoils($max, $randomize);
       $answer_count = scalar(@shown);
   
     if ($target eq 'web' || $target eq 'tex') {      if ($target eq 'web' || $target eq 'tex') {
  $result=&displayfoils($target,$max,$randomize,$direction);   $result=&displayfoils($target,
  if ($target eq 'web') {        $answer, \@shown,
     &setup_prior_tries_hash();        $direction,
  }        $bubbles_per_line);
     } elsif ($target eq 'answer' ) {      } elsif ($target eq 'answer' ) {
  $result=&displayanswers($max,$randomize);   $result=&displayanswers($answer, \@shown, $bubbles_per_line);
     } elsif ( $target eq 'grade') {      } elsif ( $target eq 'grade') {
  &grade_response($max,$randomize);   &grade_response($answer, \@shown, $bubbles_per_line);
     }  elsif ( $target eq 'analyze') {      }  elsif ( $target eq 'analyze') {
  my @shown = &whichfoils($max,$randomize);   my $bubble_lines = &bubble_line_count($answer_count, 
         $bubbles_per_line);
  &Apache::response::analyze_store_foilgroup(\@shown,   &Apache::response::analyze_store_foilgroup(\@shown,
    ['text','value','location']);     ['text','value','location']);
  my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";   my $part_id="$part.$id";
  push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },   push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },
       ('true','false'));        ('true','false'));
   
     }      }
  }   }
  $Apache::lonxml::post_evaluate=0;   $Apache::lonxml::post_evaluate=0;
     }      }
       if ($target eq 'web') {
    &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
     [\%Apache::response::foilgroup]);
       }
     &Apache::response::poprandomnumber();      &Apache::response::poprandomnumber();
     &Apache::lonxml::increment_counter();      $bubble_lines = &bubble_line_count($answer_count, $bubbles_per_line);
       &Apache::lonxml::increment_counter($bubble_lines,
          "$part.$id");
       if ($target eq 'analyze') {
    &Apache::lonhomework::set_bubble_lines();
       }
     return $result;      return $result;
 }  }
   
Line 237  sub getfoilcounts { Line 294  sub getfoilcounts {
     return ($truecnt,$falsecnt);      return ($truecnt,$falsecnt);
 }  }
   
 sub setup_prior_tries_hash {  sub format_prior_answer {
     my $part=$Apache::inputtags::part;      my ($mode,$answer,$other_data) = @_;
     my $id=$Apache::inputtags::response[-1];      my $foil_data = $other_data->[0];
     foreach my $i (1..$Apache::lonhomework::history{'version'}) {      my %response = &Apache::lonnet::str2hash($answer);
  my $key = "$i:resource.$part.$id.submission";      my ($name)   = keys(%response);
  next if (!exists($Apache::lonhomework::history{"$key"}));      return '<span class="LC_prior_radiobutton">'.
  my %response =    $foil_data->{$name.'.text'}.'</span>';
     &Apache::lonnet::str2hash($Apache::lonhomework::history{$key});  
  my ($name) = keys(%response);  
  $Apache::inputtags::submission_display{$key} =   
     $Apache::response::foilgroup{$name.'.text'}  
     }  
 }  }
   
 sub displayallfoils {  sub displayallfoils {
Line 259  sub displayallfoils { Line 312  sub displayallfoils {
     if ( $Apache::response::foilgroup{'names'} ) {      if ( $Apache::response::foilgroup{'names'} ) {
  @names= @{ $Apache::response::foilgroup{'names'} };   @names= @{ $Apache::response::foilgroup{'names'} };
     }      }
   
     my $temp=0;      my $temp=0;
     my $i   =0;      my $i   =0;
     my $id=$Apache::inputtags::response['-1'];      my $id=$Apache::inputtags::response['-1'];
Line 300  sub displayallfoils { Line 354  sub displayallfoils {
     $result.="<td>";      $result.="<td>";
  } else {   } else {
     if ($target eq 'tex') {      if ($target eq 'tex') {
  $result .= '\item \vskip -2mm ';          if($env{'form.pdfFormFields'} eq 'yes') {
     } else {                              my $fieldname = $env{'request.symb'}.
                                              '&part_'. $Apache::inputtags::part.
                                              '&radiobuttonresponse'.
                                              '&HWVAL_' . $Apache::inputtags::response['-1'];
                               my $value = $temp;
                               my $text = $Apache::response::foilgroup{$name.'.text'};
                               $result .= &Apache::lonxml::print_pdf_radiobutton($fieldname,
                                                                                $value,
                                                                                $text)."\n";
                           } else {
                               $result .= '\item \vskip -2mm ';
                           }
                       } else {
  $result.="<br />";   $result.="<br />";
     }      }
  }   }
  if ($target eq 'tex') {   if ($target eq 'tex') {
     $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';  #' stupid emacs      if($env{'form.pdfFormFields'} ne 'yes') {
                           $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';  #' stupid emacs
                       }
     $i++;      $i++;
  } else {   } else {
     $result .= '<label>';      $result .= '<label>';
Line 328  sub displayallfoils { Line 396  sub displayallfoils {
     }      }
  }   }
     }      }
       
     if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.='</tr></table>'; }      if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.='</tr></table>'; }
     return $result;      return $result;
 }  }
   
   =pod
   
   =item &whichfoils($max,$randomize)
   
   Randomizes the list of foils.
   Respects
     - each foils desire to be randomized
     - the existance of Concept groups of foils (select 1 foil from each)
     - and selects a single correct statement from all possilble true statments
     - and limits it to a toal of $max foils
   
   WARNING: this routine uses the random number generator, it should only
   be called once per target, otherwise it can cause randomness changes in
   homework problems.
   
   Arguments
     $max - maximum number of foils to select (including the true one)
            (so a max of 5 is: 1 true, 4 false)
   
     $randomize - whether to randomize the listing of foils, by default
                  will randomize, only if randomize is 'no' will it not
   
   Returns
     $answer - location in the array of the correct answer
     @foils  - array of foil names in to display order
   
   =cut
   
 sub whichfoils {  sub whichfoils {
     my ($max,$randomize)=@_;      my ($max,$randomize)=@_;
   
Line 366  sub whichfoils { Line 463  sub whichfoils {
     }      }
  }   }
  if (!$havetrue && $Apache::lonhomework::type ne 'survey') {   if (!$havetrue && $Apache::lonhomework::type ne 'survey') {
     &Apache::lonxml::error("There are no true statements available.<br />");      &Apache::lonxml::error(&mt('There are no true statements available.').'<br />');
  }   }
     } else {      } else {
  my $current=0;   my $current=0;
Line 427  sub whichfoils { Line 524  sub whichfoils {
  my $dosplice=1;   my $dosplice=1;
  if ($notrue && $Apache::lonhomework::type ne 'survey') {   if ($notrue && $Apache::lonhomework::type ne 'survey') {
     $dosplice=0;      $dosplice=0;
     &Apache::lonxml::error("There are no true statements available.<br />");      &Apache::lonxml::error(&mt('There are no true statements available.').'<br />');
  }   }
  #insert the true statement, keeping track of where it wants to be   #insert the true statement, keeping track of where it wants to be
  if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {   if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
Line 469  sub whichfoils { Line 566  sub whichfoils {
 }  }
   
 sub displayfoils {  sub displayfoils {
     my ($target,$max,$randomize,$direction)=@_;      my ($target,$answer,$whichfoils,$direction, $bubbles_per_line)=@_;
     my $result;      my $result;
   
     my ($answer,@whichfoils)=&whichfoils($max,$randomize);  
     my $part=$Apache::inputtags::part;      my $part=$Apache::inputtags::part;
     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};      my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
     if ( ($target ne 'tex') &&      if ( ($target ne 'tex') &&
Line 482  sub displayfoils { Line 578  sub displayfoils {
  $result.='<table><tr>';   $result.='<table><tr>';
     }      }
  }   }
  foreach my $name (@whichfoils) {   foreach my $name (@{ $whichfoils }) {
     if ($direction eq 'horizontal') {      if ($direction eq 'horizontal') {
  if ($target ne 'tex') { $result.='<td>'; }   if ($target ne 'tex') { $result.='<td>'; }
     }      }
Line 492  sub displayfoils { Line 588  sub displayfoils {
  $result.='\item \vskip -2 mm  ';   $result.='\item \vskip -2 mm  ';
     }      }
     if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {       if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { 
  if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}   if ($target ne 'tex') {
                       $result.=&mt('Correct:').'<b>';
                   } else {
                       $result.=&mt('Correct:').' \textbf{';
                   }
     } else {      } else {
  $result.='Incorrect:';   $result.=&mt('Incorrect:');
     }      }
     if ($target eq 'web') { $result.="<label>"; }      if ($target eq 'web') { $result.="<label>"; }
     $result.=$Apache::response::foilgroup{$name.'.text'};      $result.=$Apache::response::foilgroup{$name.'.text'};
Line 514  sub displayfoils { Line 614  sub displayfoils {
     } else {      } else {
  my @alphabet = ('A'..'Z');   my @alphabet = ('A'..'Z');
  my $i = 0;   my $i = 0;
    my $bubble_number = 0;
    my $line = 0;
  my $temp=0;     my $temp=0;  
  my $id=$Apache::inputtags::response['-1'];   my $id=$Apache::inputtags::response['-1'];
  my $part=$Apache::inputtags::part;   my $part=$Apache::inputtags::part;
Line 522  sub displayfoils { Line 624  sub displayfoils {
  if ($target ne 'tex' && $direction eq 'horizontal') {   if ($target ne 'tex' && $direction eq 'horizontal') {
     $result.="<table><tr>";      $result.="<table><tr>";
  }   }
  foreach my $name (@whichfoils) {   foreach my $name (@{ $whichfoils }) {
     if ($target ne 'tex') {      if ($target ne 'tex') {
  if ($direction eq 'horizontal') {   if ($direction eq 'horizontal') {
     $result.="<td>";       $result.="<td>"; 
Line 541  sub displayfoils { Line 643  sub displayfoils {
  $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}."</label>";   $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}."</label>";
     } else {      } else {
  if ($Apache::lonhomework::type eq 'exam') {   if ($Apache::lonhomework::type eq 'exam') {
       if($bubble_number >= $bubbles_per_line) {
    $line++;
    $i = 0;
    $bubble_number = 0;
    $result.='\item[\textbf{'.($Apache::lonxml::counter+$line).'}.]';
       }
     $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';  #' stupid emacs      $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';  #' stupid emacs
     $i++;      $i++;
       $bubble_number++;
  } else {   } else {
     $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};        if($env{'form.pdfFormFields'} eq 'yes') {
  }  
                            my $fieldname = $env{'request.symb'}.
                                            '&part_'. $Apache::inputtags::part.
                                            '&radiobuttonresponse'.
                                            '&HWVAL_' . $Apache::inputtags::response['-1'];
                            my $value = $temp;
                            my $text = $Apache::response::foilgroup{$name.'.text'};
                            $result .= &Apache::lonxml::print_pdf_radiobutton($fieldname, $value, $text).'\newline'."\n";
                        } else { 
                            $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
                        }
                   }
     }      }
     if ($target ne 'tex' && $direction eq 'horizontal') {      if ($target ne 'tex' && $direction eq 'horizontal') {
  $result.="</td>";    $result.="</td>"; 
Line 565  sub displayallanswers { Line 685  sub displayallanswers {
     if ( $Apache::response::foilgroup{'names'} ) {      if ( $Apache::response::foilgroup{'names'} ) {
  @names= @{ $Apache::response::foilgroup{'names'} };   @names= @{ $Apache::response::foilgroup{'names'} };
     }      }
     
     my $result=&Apache::response::answer_header('radiobuttonresponse');      my $result=&Apache::response::answer_header('radiobuttonresponse');
     foreach my $name (@names) {      foreach my $name (@names) {
  $result.=&Apache::response::answer_part('radiobuttonresponse',   $result.=&Apache::response::answer_part('radiobuttonresponse',
Line 576  sub displayallanswers { Line 695  sub displayallanswers {
 }  }
   
 sub displayanswers {  sub displayanswers {
     my ($max,$randomize)=@_;      my ($answer, $whichopt, $bubbles_per_line)=@_;
     my ($answer,@whichopt) = &whichfoils($max,$randomize);      my $result;
     my $result=&Apache::response::answer_header('radiobuttonresponse');  
     if ($Apache::lonhomework::type eq 'exam') {      if ($Apache::lonhomework::type eq 'exam') {
  my $correct = ('A'..'Z')[$answer];   my $line = int($answer/$bubbles_per_line);
  $result.=&Apache::response::answer_part('radiobuttonresponse',   my $correct = ('A'..'Z')[$answer%$bubbles_per_line];
  $correct);   $result .= &Apache::response::answer_header('radiobuttonresponse',
       $line);
    $result .= &Apache::response::answer_part('radiobuttonresponse',
     $correct);
       } else {
    $result .= &Apache::response::answer_header('radiobuttonresponse');
     }      }
     foreach my $name (@whichopt) {      foreach my $name (@{ $whichopt }) {
  $result.=&Apache::response::answer_part('radiobuttonresponse',   $result.=&Apache::response::answer_part('radiobuttonresponse',
  $Apache::response::foilgroup{$name.'.value'});   $Apache::response::foilgroup{$name.'.value'});
     }      }
Line 672  sub end_foil { Line 796  sub end_foil {
  if ($value ne 'unused') {   if ($value ne 'unused') {
     my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);      my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
     if ($name eq "") {      if ($name eq "") {
  &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");   &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
  $name=$Apache::lonxml::curdepth;   $name=$Apache::lonxml::curdepth;
     }      }
     if (defined($Apache::response::foilnames{$name})) {      if (defined($Apache::response::foilnames{$name})) {
  &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));   &Apache::lonxml::error(&mt('Foil name [_1] appears more than once. Foil names need to be unique.','<b><tt>'.$name.'</tt></b>'));
     }      }
     $Apache::response::foilnames{$name}++;      $Apache::response::foilnames{$name}++;
     my $location =&Apache::lonxml::get_param('location',$parstack,      my $location =&Apache::lonxml::get_param('location',$parstack,
Removed from v.1.113  
changed lines
  Added in v.1.135

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