--- loncom/homework/grades.pm	2012/01/03 00:28:17	1.671
+++ loncom/homework/grades.pm	2013/04/11 14:59:39	1.686
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.671 2012/01/03 00:28:17 raeburn Exp $
+# $Id: grades.pm,v 1.686 2013/04/11 14:59:39 bisitz Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -54,6 +54,7 @@ use POSIX qw(floor);
 
 
 my %perm=();
+my %old_essays=();
 
 #  These variables are used to recover from ssi errors
 
@@ -202,6 +203,7 @@ sub get_display_part {
 sub reset_caches {
     &reset_analyze_cache();
     &reset_perm();
+    &reset_old_essays();
 }
 
 {
@@ -681,7 +683,11 @@ sub compute_points {
 #
 
 sub most_similar {
-    my ($uname,$udom,$uessay,$old_essays)=@_;
+    my ($uname,$udom,$symb,$uessay)=@_;
+
+    unless ($symb) { return ''; }
+
+    unless (ref($old_essays{$symb}) eq 'HASH') { return ''; }
 
 # ignore spaces and punctuation
 
@@ -698,11 +704,11 @@ sub most_similar {
     my $scrsid='';
     my $sessay='';
 # go through all essays ...
-    foreach my $tkey (keys(%$old_essays)) {
+    foreach my $tkey (keys(%{$old_essays{$symb}})) {
 	my ($tname,$tdom,$tcrsid)=map {&unescape($_)} (split(/\./,$tkey));
 # ... except the same student
         next if (($tname eq $uname) && ($tdom eq $udom));
-	my $tessay=$old_essays->{$tkey};
+	my $tessay=$old_essays{$symb}{$tkey};
 	$tessay=~s/\W+/ /gs;
 # String similarity gives up if not even limit
 	my $tsimilar=&String::Similarity::similarity($uessay,$tessay,$limit);
@@ -712,7 +718,7 @@ sub most_similar {
 	    $sname=$tname;
 	    $sdom=$tdom;
 	    $scrsid=$tcrsid;
-	    $sessay=$old_essays->{$tkey};
+	    $sessay=$old_essays{$symb}{$tkey};
 	}
     }
     if ($limit>0.6) {
@@ -1540,39 +1546,38 @@ INNERJS
 
     pDoc.write("<form action=\\"inactive\\" name=\\"msgcenter\\">");
     pDoc.write("<input value=\\""+usrctr+"\\" name=\\"usrctr\\" type=\\"hidden\\">");
-    pDoc.write("<h3><span class=\\"LC_info\\">&nbsp;$lt{'comp'}\"+fullname+\"<\\/span><\\/h3><br /><br />");
+    pDoc.write("<h1>&nbsp;$lt{'comp'}\"+fullname+\"<\\/h1>");
 
-    pDoc.write('<table border="0" width="100%"><tr><td bgcolor="#777777">');
-    pDoc.write('<table border="0" width="100%"><tr bgcolor="#DDFFFF">');
-    pDoc.write("<td><b>$lt{'type'}<\\/b><\\/td><td><b>$lt{'incl'}<\\/b><\\/td><td><b>$lt{'mesa'}<\\/td><\\/tr>");
+    pDoc.write('<table style="border:1px solid black;"><tr>');
+    pDoc.write("<td><b>$lt{'incl'}<\\/b><\\/td><td><b>$lt{'type'}<\\/b><\\/td><td><b>$lt{'mesa'}<\\/td><\\/tr>");
 }
     function displaySubject(msg,shwsel) {
     pDoc = pWin.document;
-    pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
-    pDoc.write("<td>$lt{'subj'}<\\/td>");
+    pDoc.write("<tr>");
     pDoc.write("<td align=\\"center\\"><input name=\\"subchk\\" type=\\"checkbox\\"" +shwsel+"><\\/td>");
-    pDoc.write("<td><input name=\\"msgsub\\" type=\\"text\\" value=\\""+msg+"\\"size=\\"60\\" maxlength=\\"80\\"><\\/td><\\/tr>");
+    pDoc.write("<td>$lt{'subj'}<\\/td>");
+    pDoc.write("<td><input name=\\"msgsub\\" type=\\"text\\" value=\\""+msg+"\\"size=\\"40\\" maxlength=\\"80\\"><\\/td><\\/tr>");
 }
 
   function displaySavedMsg(ctr,msg,shwsel) {
     pDoc = pWin.document;
-    pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
-    pDoc.write("<td align=\\"center\\">"+ctr+"<\\/td>");
+    pDoc.write("<tr>");
     pDoc.write("<td align=\\"center\\"><input name=\\"msgn"+ctr+"\\" type=\\"checkbox\\"" +shwsel+"><\\/td>");
+    pDoc.write("<td align=\\"center\\">"+ctr+"<\\/td>");
     pDoc.write("<td><textarea name=\\"msg"+ctr+"\\" cols=\\"60\\" rows=\\"3\\">"+msg+"<\\/textarea><\\/td><\\/tr>");
 }
 
   function newMsg(newmsg,shwsel) {
     pDoc = pWin.document;
-    pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
-    pDoc.write("<td align=\\"center\\">$lt{'new'}<\\/td>");
+    pDoc.write("<tr>");
     pDoc.write("<td align=\\"center\\"><input name=\\"newmsgchk\\" type=\\"checkbox\\"" +shwsel+"><\\/td>");
+    pDoc.write("<td align=\\"center\\">$lt{'new'}<\\/td>");
     pDoc.write("<td><textarea name=\\"newmsg\\" cols=\\"60\\" rows=\\"3\\" onchange=\\"javascript:this.form.newmsgchk.checked=true\\" >"+newmsg+"<\\/textarea><\\/td><\\/tr>");
 }
 
   function msgTail() {
     pDoc = pWin.document;
-    pDoc.write("<\\/table>");
+    //pDoc.write("<\\/table>");
     pDoc.write("<\\/td><\\/tr><\\/table>&nbsp;");
     pDoc.write("<input type=\\"button\\" value=\\"$lt{'save'}\\" onclick=\\"javascript:checkInput()\\">&nbsp;&nbsp;");
     pDoc.write("<input type=\\"button\\" value=\\"$lt{'canc'}\\" onclick=\\"self.close()\\"><br /><br />");
@@ -1949,7 +1954,6 @@ sub submission {
 	'" src="'.$request->dir_config('lonIconsURL').
 	'/check.gif" height="16" border="0" />';
 
-    my %old_essays;
     # header info
     if ($counter == 0) {
 	&sub_page_js($request);
@@ -2057,7 +2061,7 @@ KEYWORDS
 	    my ($adom,$aname,$apath)=($essayurl=~/^($LONCAPA::domain_re)\/($LONCAPA::username_re)\/(.*)$/);
 	    $apath=&escape($apath);
 	    $apath=~s/\W/\_/gs;
-	    %old_essays=&Apache::lonnet::dump('nohist_essay_'.$apath,$adom,$aname);
+            &init_old_essays($symb,$apath,$adom,$aname);
         }
     }
 
@@ -2196,7 +2200,7 @@ KEYWORDS
                     }
 		    if($env{'form.checkPlag'}){
 			my ($oname,$odom,$ocrsid,$oessay,$osim)=
-			    &most_similar($uname,$udom,$subval,\%old_essays);
+			    &most_similar($uname,$udom,$symb,$subval);
 			if ($osim) {
 			    $osim=int($osim*100.0);
 			    my %old_course_desc = 
@@ -3097,7 +3101,7 @@ sub handback_files {
                         &Apache::lonnet::dirlist($portfolio_root.$portfolio_path,
                                                  $domain,$stuname,$getpropath);
 		    my $version = &get_next_version($answer_name,$answer_ext,$dir_list);
-                    # fix file name
+                    # fix filename
                     my ($save_file_name) = (($directory.$answer_name.".$version.".$answer_ext) =~ /^.+\/${stuname}\/(.*)/);
                     my $result=&Apache::lonnet::finishuserfileupload($stuname,$domain,
             	                                $newflg.'_'.$part_resp.'_returndoc'.$counter,
@@ -3116,7 +3120,7 @@ sub handback_files {
                         $$newrecord{"resource.$new_part.$resp_id.handback"} .= $save_file_name;
 			$file_msg.= '<span class="LC_filename"><a href="/uploaded/'."$domain/$stuname/".$save_file_name.'">'.$save_file_name."</a></span> <br />";
                     }
-                    $request->print('<br />'.&mt('[_1] will be the uploaded file name [_2]','<span class="LC_info">'.$fname.'</span>','<span class="LC_filename">'.$env{'form.'.$newflg.'_'.$part_resp.'_origdoc'.$counter}.'</span>'));
+                    $request->print('<br />'.&mt('[_1] will be the uploaded filename [_2]','<span class="LC_info">'.$fname.'</span>','<span class="LC_filename">'.$env{'form.'.$newflg.'_'.$part_resp.'_origdoc'.$counter}.'</span>'));
                 }
             }
         }
@@ -4646,8 +4650,8 @@ sub displayPage {
 		&Apache::loncommon::start_data_table_row().
 		'<td align="center" valign="top" >'.$prob.
 		(scalar(@{$parts}) == 1 ? '' 
-		                        : '<br />('.&mt('[_1]parts)',
-							scalar(@{$parts}).'&nbsp;')
+		                        : '<br />('.&mt('[_1]parts',
+							scalar(@{$parts}).'&nbsp;').')'
 		 ).
 		 '</td>';
 	    $studentTable.='<td valign="top">';
@@ -6437,7 +6441,7 @@ sub scantron_warning_screen {
 <tr><td><b>'.&mt('Data File that will be used:').'</b></td><td><tt>'.$env{'form.scantron_selectfile'}.'</tt></td></tr>
 '.$CODElist.$lastbubblepoints.'
 </table>
-<p> '.&mt('If this information is correct, please click on \'[_1]\'.',&mt($button_text)).'<br />
+<p> '.&mt("If this information is correct, please click on '[_1]'.",&mt($button_text)).'<br />
 '.&mt('If something is incorrect, please return to [_1]Grade/Manage/Review Bubblesheets[_2] to start over.','<a href="/adm/grades?symb='.$symb.'&command=scantron_selectphase" class="LC_info">','</a>').'</p>
 
 <br />
@@ -6999,7 +7003,13 @@ sub scantron_validate_sequence {
 	my @resources=
 	    $navmap->retrieveResources($map,\&scantron_filter_not_exam,1,0);
 	if (@resources) {
-	    $r->print("<p>".&mt('Some resources in the sequence currently are not set to exam mode. Grading these resources currently may not work correctly.')."</p>");
+	    $r->print(
+                '<p class="LC_warning">'
+               .&mt('Some resources in the sequence currently are not set to'
+                   .' bubblesheet exam mode. Grading these resources currently may not'
+                   .' work correctly.')
+               .'</p>'
+            );
 	    return (1,$currentphase);
 	}
     }
@@ -7130,7 +7140,7 @@ sub scantron_get_correction {
 	$r->print(&Apache::loncommon::selectstudent_link('scantronupload',
 				       'scantron_username','scantron_domain'));
 	$r->print(": <input type='text' name='scantron_username' value='' />");
-	$r->print("\n@".
+	$r->print("\n:\n".
 		 &Apache::loncommon::select_dom_form($env{'request.role.domain'},'scantron_domain'));
 
 	$r->print('</li>');
@@ -7390,7 +7400,16 @@ sub prompt_for_corrections {
             ($responsetype_per_response{$question-1} eq 'imageresponse') ||
             ($responsetype_per_response{$question-1} eq 'reactionresponse') ||
             ($responsetype_per_response{$question-1} eq 'organicresponse')) {
-            $r->print(&mt("Although this particular question type requires handgrading, the instructions for this question in the exam directed students to leave [quant,_1,line] blank on their bubblesheets.",$lines).'<br /><br />'.&mt('A non-zero score can be assigned to the student during bubblesheet grading by selecting a bubble in at least one line.').'<br />'.&mt('The score for this question will be a sum of the numeric values for the selected bubbles from each line, where A=1 point, B=2 points etc.').'<br />'.&mt("To assign a score of zero for this question, mark all lines as 'No bubble'.").'<br /><br />');
+            $r->print(
+                &mt("Although this particular question type requires handgrading, the instructions for this question in the bubblesheet exam directed students to leave [quant,_1,line] blank on their bubblesheets.",$lines)
+               .'<br /><br />'
+               .&mt('A non-zero score can be assigned to the student during bubblesheet grading by selecting a bubble in at least one line.')
+               .'<br />'
+               .&mt('The score for this question will be a sum of the numeric values for the selected bubbles from each line, where A=1 point, B=2 points etc.')
+               .'<br />'
+               .&mt("To assign a score of zero for this question, mark all lines as 'No bubble'.")
+               .'<br /><br />'
+            );
         } else {
             $r->print(&mt("Select at most one bubble in a single line and select 'No Bubble' in all the other lines. ")."<br />");
         }
@@ -7713,7 +7732,8 @@ sub scantron_get_maxbubble {
     my $response_number = 0;
     my $bubble_line     = 0;
     foreach my $resource (@resources) {
-        my ($analysis,$parts) = &scantron_partids_tograde($resource,$cid,$uname,$udom,undef,$bubbles_per_row);
+        my ($analysis,$parts) = &scantron_partids_tograde($resource,$cid,$uname,
+                                                          $udom,undef,$bubbles_per_row);
         if ((ref($analysis) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
 	    foreach my $part_id (@{$parts}) {
                 my $lines;
@@ -7903,22 +7923,29 @@ sub scantron_process_students {
         return '';
     }  
     my $map=$navmap->getResourceByUrl($sequence);
+    my $randomorder;
+    if (ref($map)) {
+        $randomorder = $map->randomorder();
+    }
     my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
-    my (%grader_partids_by_symb,%grader_randomlists_by_symb);
+    my (%grader_partids_by_symb,%grader_randomlists_by_symb,%ordered);
     &graders_resources_pass(\@resources,\%grader_partids_by_symb,
                             \%grader_randomlists_by_symb,$bubbles_per_row);
-    my $resource_error;
+    my ($resource_error,%symb_to_resource,@master_seq);
     foreach my $resource (@resources) {
         my $ressymb;
         if (ref($resource)) {
             $ressymb = $resource->symb();
+            push(@master_seq,$ressymb);
+            $symb_to_resource{$ressymb} = $resource;
         } else {
             $resource_error = 1;
             last;
         }
         my ($analysis,$parts) =
             &scantron_partids_tograde($resource,$env{'request.course.id'},
-                                      $env{'user.name'},$env{'user.domain'},1,$bubbles_per_row);
+                                      $env{'user.name'},$env{'user.domain'},
+                                      1,$bubbles_per_row);
         $grader_partids_by_symb{$ressymb} = $parts;
         if (ref($analysis) eq 'HASH') {
             if (ref($analysis->{'parts_withrandomlist'}) eq 'ARRAY') {
@@ -7994,10 +8021,26 @@ SCANTRONFORM
  				'Student '.$uname.' has multiple sheets',2);
  	    next;
  	}
+        my $usec = $classlist->{$uname}->[&Apache::loncoursedata::CL_SECTION];
+        my $user = $uname.':'.$usec;
   	($uname,$udom)=split(/:/,$uname);
 
+        my $scancode;
+        if ((exists($scan_record->{'scantron.CODE'})) &&
+            (&Apache::lonnet::validCODE($scan_record->{'scantron.CODE'}))) {
+            $scancode = $scan_record->{'scantron.CODE'};
+        } else {
+            $scancode = '';
+        }
+
+        my @mapresources = @resources;
+        if ($randomorder) {
+            @mapresources = 
+                &users_order($user,$scancode,$sequence,\@master_seq,\%ordered,
+                             \%symb_to_resource);
+        }
         my (%partids_by_symb,$res_error);
-        foreach my $resource (@resources) {
+        foreach my $resource (@mapresources) {
             my $ressymb;
             if (ref($resource)) {
                 $ressymb = $resource->symb();
@@ -8008,7 +8051,8 @@ SCANTRONFORM
             if ((exists($grader_randomlists_by_symb{$ressymb})) ||
                 (ref($grader_partids_by_symb{$ressymb}) ne 'ARRAY')) {
                 my ($analysis,$parts) =
-                    &scantron_partids_tograde($resource,$env{'request.course.id'},$uname,$udom,undef,$bubbles_per_row);
+                    &scantron_partids_tograde($resource,$env{'request.course.id'},
+                                              $uname,$udom,undef,$bubbles_per_row);
                 $partids_by_symb{$ressymb} = $parts;
             } else {
                 $partids_by_symb{$ressymb} = $grader_partids_by_symb{$ressymb};
@@ -8028,16 +8072,8 @@ SCANTRONFORM
 	    &scantron_putfile($scanlines,$scan_data);
 	}
 	
-        my $scancode;
-        if ((exists($scan_record->{'scantron.CODE'})) &&
-            (&Apache::lonnet::validCODE($scan_record->{'scantron.CODE'}))) {
-            $scancode = $scan_record->{'scantron.CODE'};
-        } else {
-            $scancode = '';
-        }
-
         if (&grade_student_bubbles($r,$uname,$udom,$scan_record,$scancode,
-                                   \@resources,\%partids_by_symb,
+                                   \@mapresources,\%partids_by_symb,
                                    $bubbles_per_row) eq 'ssi_error') {
             $ssi_error = 0; # So end of handler error message does not trigger.
             $r->print("</form>");
@@ -8054,7 +8090,7 @@ SCANTRONFORM
             $studentdata =~ s/\r$//;
             my $studentrecord = '';
             my $counter = -1;
-            foreach my $resource (@resources) {
+            foreach my $resource (@mapresources) {
                 my $ressymb = $resource->symb();
                 ($counter,my $recording) =
                     &verify_scantron_grading($resource,$udom,$uname,$env{'request.course.id'},
@@ -8065,7 +8101,7 @@ SCANTRONFORM
             if ($studentrecord ne $studentdata) {
                 &Apache::lonxml::clear_problem_counter();
                 if (&grade_student_bubbles($r,$uname,$udom,$scan_record,$scancode,
-                                           \@resources,\%partids_by_symb,
+                                           \@mapresources,\%partids_by_symb,
                                            $bubbles_per_row) eq 'ssi_error') {
                     $ssi_error = 0; # So end of handler error message does not trigger.
                     $r->print("</form>");
@@ -8076,7 +8112,7 @@ SCANTRONFORM
                 }
                 $counter = -1;
                 $studentrecord = '';
-                foreach my $resource (@resources) {
+                foreach my $resource (@mapresources) {
                     my $ressymb = $resource->symb();
                     ($counter,my $recording) =
                         &verify_scantron_grading($resource,$udom,$uname,$env{'request.course.id'},
@@ -8137,7 +8173,8 @@ sub graders_resources_pass {
             my $ressymb = $resource->symb();
             my ($analysis,$parts) =
                 &scantron_partids_tograde($resource,$env{'request.course.id'},
-                                          $env{'user.name'},$env{'user.domain'},1,$bubbles_per_row);
+                                          $env{'user.name'},$env{'user.domain'},
+                                          1,$bubbles_per_row);
             $grader_partids_by_symb->{$ressymb} = $parts;
             if (ref($analysis) eq 'HASH') {
                 if (ref($analysis->{'parts_withrandomlist'}) eq 'ARRAY') {
@@ -8150,9 +8187,55 @@ sub graders_resources_pass {
     return;
 }
 
+=pod
+
+=item users_order
+
+  Returns array of resources in current map, ordered based on either CODE,
+  if this is a CODEd exam, or based on student's identity if this is a 
+  "NAMEd" exam.
+
+  Should be used when randomorder applied when the corresponding exam was
+  printed, prior to students completing bubblesheets for the version of the
+  exam the student received. 
+
+=cut
+
+sub users_order  {
+    my ($user,$scancode,$mapurl,$master_seq,$ordered,$symb_to_resource) = @_;
+    my @mapresources;
+    unless ((ref($ordered) eq 'HASH') && (ref($symb_to_resource) eq 'HASH')) {
+        return @mapresources;
+    }  
+    if (($scancode) && (ref($ordered->{$scancode}) eq 'ARRAY')) {
+        @mapresources = @{$ordered->{$scancode}};
+    } elsif ($scancode) {
+        $env{'form.CODE'} = $scancode;
+        my $actual_seq =
+            &Apache::lonprintout::master_seq_to_person_seq($mapurl,
+                                                           $master_seq,
+                                                           $user,$scancode);
+        if (ref($actual_seq) eq 'ARRAY') {
+            @{$ordered->{$scancode}} =
+                map { $symb_to_resource->{$_}; } @{$actual_seq};
+            @mapresources = @{$ordered->{$scancode}};
+        }
+        delete($env{'form.CODE'});
+    } else {
+        my $actual_seq =
+            &Apache::lonprintout::master_seq_to_person_seq($mapurl,
+                                                           $master_seq,
+                                                           $user);
+        if (ref($actual_seq) eq 'ARRAY') {
+            @mapresources = 
+                map { $symb_to_resource->{$_}; } @{$actual_seq};
+        }
+     }
+     return @mapresources;
+}
+
 sub grade_student_bubbles {
-    my ($r,$uname,$udom,$scan_record,$scancode,$resources,$parts,$bubbles_per_row) = @_;
-# Walk folder as student here to get resources in order student sees.
+    my ($r,$uname,$udom,$scan_record,$scancode,$resources,$parts,$bubbles_per_row) = @_; 
     if (ref($resources) eq 'ARRAY') {
         my $count = 0;
         foreach my $resource (@{$resources}) {
@@ -8406,7 +8489,7 @@ sub scantron_download_scantron_data {
     if (! &valid_file($file)) {
 	$r->print('
 	<p>
-	    '.&mt('The requested file name was invalid.').'
+	    '.&mt('The requested filename was invalid.').'
         </p>
 ');
 	return;
@@ -8456,10 +8539,21 @@ sub checkscantron_results {
         return '';
     }
     my $map=$navmap->getResourceByUrl($sequence);
+    my ($randomorder,@master_seq,%symb_to_resource);
+    if (ref($map)) { 
+        $randomorder=$map->randomorder();
+    }
     my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
+    foreach my $resource (@resources) {
+        if (ref($resource)) {
+            my $ressymb = $resource->symb();
+            push(@master_seq,$ressymb);
+            $symb_to_resource{$ressymb} = $resource;
+        }
+    }
     my (%grader_partids_by_symb,%grader_randomlists_by_symb);
-    &graders_resources_pass(\@resources,\%grader_partids_by_symb,                             \%grader_randomlists_by_symb);
-
+    &graders_resources_pass(\@resources,\%grader_partids_by_symb,
+                            \%grader_randomlists_by_symb,$bubbles_per_row);
     my ($uname,$udom);
     my (%scandata,%lastname,%bylast);
     $r->print('
@@ -8470,7 +8564,7 @@ sub checkscantron_results {
 
     my $count=&Apache::grades::get_todo_count($scanlines,$scan_data);
     my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$count);
-    my ($username,$domain,$started);
+    my ($username,$domain,$started,%ordered);
     my $nav_error;
     &scantron_get_maxbubble(\$nav_error,\%scantron_config); # Need the bubble lines array to parse.
     if ($nav_error) {
@@ -8512,15 +8606,34 @@ sub checkscantron_results {
         $scandata{$pid} = substr($line,$scantron_config{'Qstart'}-1,$lastpos);
         chomp($scandata{$pid});
         $scandata{$pid} =~ s/\r$//;
+        my $usec = $classlist->{$uname}->[&Apache::loncoursedata::CL_SECTION];
+        my $user = $uname.':'.$usec;
         ($username,$domain)=split(/:/,$uname);
+
+        my $scancode;
+        if ((exists($scan_record->{'scantron.CODE'})) &&
+            (&Apache::lonnet::validCODE($scan_record->{'scantron.CODE'}))) {
+            $scancode = $scan_record->{'scantron.CODE'};
+        } else {
+            $scancode = '';
+        }
+
+        my @mapresources = @resources;
+        if ($randomorder) {
+            @mapresources =
+                &users_order($user,$scancode,$sequence,\@master_seq,\%ordered,
+                             \%symb_to_resource);
+        }
         my $counter = -1;
-        foreach my $resource (@resources) {
+        foreach my $resource (@mapresources) {
             my $parts;
             my $ressymb = $resource->symb();
             if ((exists($grader_randomlists_by_symb{$ressymb})) ||
                 (ref($grader_partids_by_symb{$ressymb}) ne 'ARRAY')) {
                 (my $analysis,$parts) =
-                    &scantron_partids_tograde($resource,$env{'request.course.id'},$username,$domain,undef,$bubbles_per_row);
+                    &scantron_partids_tograde($resource,$env{'request.course.id'},
+                                              $username,$domain,undef,
+                                              $bubbles_per_row);
             } else {
                 $parts = $grader_partids_by_symb{$ressymb};
             }
@@ -8574,7 +8687,12 @@ sub checkscantron_results {
             $env{'form.scantron_maxbubble'})
        .'</p>'
     );
-    $r->print('<p>'.&mt('Exact matches for <b>[quant,_1,student]</b>.',$passed).'<br />'.&mt('Discrepancies detected for <b>[quant,_1,student]</b>.',$failed).'</p>');
+    $r->print('<p>'
+             .&mt('Exact matches for [_1][quant,_2,student][_3].','<b>',$passed,'</b>')
+             .'<br />'
+             .&mt('Discrepancies detected for [_1][quant,_2,student][_3].','<b>',$failed,'</b>')
+             .'</p>'
+    );
     if ($passed) {
         $r->print(&mt('Students with exact correspondence between bubblesheet data and submissions are as follows:').'<br /><br />');
         $r->print(&Apache::loncommon::start_data_table()."\n".
@@ -9003,6 +9121,21 @@ sub init_perm {
     }
 }
 
+sub init_old_essays {
+    my ($symb,$apath,$adom,$aname) = @_;
+    if ($symb ne '') {
+        my %essays = &Apache::lonnet::dump('nohist_essay_'.$apath,$adom,$aname);
+        if (keys(%essays) > 0) {
+            $old_essays{$symb} = \%essays;
+        }
+    }
+    return;
+}
+
+sub reset_old_essays {
+    undef(%old_essays);
+}
+
 sub gather_clicker_ids {
     my %clicker_ids;