--- loncom/homework/grades.pm	2007/11/16 07:55:01	1.491
+++ loncom/homework/grades.pm	2008/05/14 16:36:31	1.520
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.491 2007/11/16 07:55:01 albertel Exp $
+# $Id: grades.pm,v 1.520 2008/05/14 16:36:31 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -47,88 +47,89 @@ use LONCAPA;
 use POSIX qw(floor);
 
 
+
 my %perm=();
-my %bubble_lines_per_response = ();     # no. bubble lines for each response.
-                                   # index is "symb.part_id"
 
-my %first_bubble_line = ();	# First bubble line no. for each bubble.
+#  These variables are used to recover from ssi errors
 
-# Save and restore the bubble lines array to the form env.
+my $ssi_retries = 5;
+my $ssi_error;
+my $ssi_error_resource;
+my $ssi_error_message;
 
 
-sub save_bubble_lines {
-    foreach my $line (keys(%bubble_lines_per_response)) {
-	$env{"form.scantron.bubblelines.$line"}  = $bubble_lines_per_response{$line};
-	$env{"form.scantron.first_bubble_line.$line"} =
-	    $first_bubble_line{$line};
-    }
-}
+#  Do an ssi with retries:
+#  While I'd love to factor out this with the vesrion in lonprintout,
+#  that would either require a data coupling between modules, which I refuse to perpetuate
+#  (there's quite enough of that already), or would require the invention of another infrastructure
+#  I'm not quite ready to invent (e.g. an ssi_with_retry object).
+#
+# At least the logic that drives this has been pulled out into loncommon.
 
 
-sub restore_bubble_lines {
-    my $line = 0;
-    %bubble_lines_per_response = ();
-    while ($env{"form.scantron.bubblelines.$line"}) {
-	my $value = $env{"form.scantron.bubblelines.$line"};
-	$bubble_lines_per_response{$line} = $value;
-	$first_bubble_line{$line}  =
-	    $env{"form.scantron.first_bubble_line.$line"};
-	$line++;
+#
+#   ssi_with_retries - Does the server side include of a resource.
+#                      if the ssi call returns an error we'll retry it up to
+#                      the number of times requested by the caller.
+#                      If we still have a proble, no text is appended to the
+#                      output and we set some global variables.
+#                      to indicate to the caller an SSI error occurred.  
+#                      All of this is supposed to deal with the issues described
+#                      in LonCAPA BZ 5631 see:
+#                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
+#                      by informing the user that this happened.
+#
+# Parameters:
+#   resource   - The resource to include.  This is passed directly, without
+#                interpretation to lonnet::ssi.
+#   form       - The form hash parameters that guide the interpretation of the resource
+#                
+#   retries    - Number of retries allowed before giving up completely.
+# Returns:
+#   On success, returns the rendered resource identified by the resource parameter.
+# Side Effects:
+#   The following global variables can be set:
+#    ssi_error                - If an unrecoverable error occurred this becomes true.
+#                               It is up to the caller to initialize this to false
+#                               if desired.
+#    ssi_error_resource  - If an unrecoverable error occurred, this is the value
+#                               of the resource that could not be rendered by the ssi
+#                               call.
+#    ssi_error_message   - The error string fetched from the ssi response
+#                               in the event of an error.
+#
+sub ssi_with_retries {
+    my ($resource, $retries, %form) = @_;
+    my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
+    if ($response->is_error) {
+	$ssi_error          = 1;
+	$ssi_error_resource = $resource;
+	$ssi_error_message  = $response->code . " " . $response->message;
     }
 
-}
-
-#  Given the parsed scanline, get the response for 
-#  'answer' number n:
-
-sub get_response_bubbles {
-    my ($parsed_line, $response)  = @_;
+    return $content;
 
-
-    my $bubble_line = $first_bubble_line{$response-1} +1;
-    my $bubble_lines= $bubble_lines_per_response{$response-1};
-    
-    my $selected = "";
-
-    for (my $bline = 0; $bline < $bubble_lines; $bline++) {
-	$selected .= $$parsed_line{"scantron.$bubble_line.answer"}.":";
-	$bubble_line++;
-    }
-    return $selected;
 }
+#
+#  Prodcuces an ssi retry failure error message to the user:
+#
 
-
-# ----- These first few routines are general use routines.----
-
-# Return the number of occurences of a pattern in a string.
-
-sub occurence_count {
-    my ($string, $pattern) = @_;
-
-    my @matches = ($string =~ /$pattern/g);
-
-    return scalar(@matches);
-}
-
-
-# Take a string known to have digits and convert all the
-# digits into letters in the range J,A..I.
-
-sub digits_to_letters {
-    my ($input) = @_;
-
-    my @alphabet = ('J', 'A'..'I');
-
-    my @input    = split(//, $input);
-    my $output ='';
-    for (my $i = 0; $i < scalar(@input); $i++) {
-	if ($input[$i] =~ /\d/) {
-	    $output .= $alphabet[$input[$i]];
-	} else {
-	    $output .= $input[$i];
-	}
-    }
-    return $output;
+sub ssi_print_error {
+    my ($r) = @_;
+    my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
+    $r->print('
+<br />
+<h2>'.&mt('An unrecoverable network error occurred:').'</h2>
+<p>
+'.&mt('Unable to retrieve a resource from a server:').'<br />
+'.&mt('Resource:').' '.$ssi_error_resource.'<br />
+'.&mt('Error:').' '.$ssi_error_message.'
+</p>
+<p>'.
+&mt('It is recommended that you try again later, as this error may mean the server was just temporarily unavailable, or is down for maintenance.').'<br />'.
+&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).
+'</p>');
+    return;
 }
 
 #
@@ -283,13 +284,13 @@ sub reset_caches {
 
 	my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
 	$url=&Apache::lonnet::clutter($url);
-	my $subresult=&Apache::lonnet::ssi($url,
-					   ('grade_target' => 'analyze'),
-					   ('grade_domain' => $udom),
-					   ('grade_symb' => $symb),
-					   ('grade_courseid' => 
-					    $env{'request.course.id'}),
-					   ('grade_username' => $uname));
+	my $subresult=&ssi_with_retries($url, $ssi_retries,
+					   ('grade_target' => 'analyze',
+					    'grade_domain' => $udom,
+					    'grade_symb' => $symb,
+					    'grade_courseid' => 
+					    $env{'request.course.id'},
+					    'grade_username' => $uname));
 	(undef,$subresult)=split(/_HASH_REF__/,$subresult,2);
 	my %analyze=&Apache::lonnet::str2hash($subresult);
 	return $analyze_cache{$key} = \%analyze;
@@ -1841,9 +1842,9 @@ sub download_all_link {
 	join("\n",&Apache::loncommon::get_env_multiple('form.vPart'));
 
     my $identifier = &Apache::loncommon::get_cgi_id();
-    &Apache::lonnet::appenv('cgi.'.$identifier.'.students' => $all_students,
-                            'cgi.'.$identifier.'.symb' => $symb,
-                            'cgi.'.$identifier.'.parts' => $parts,);
+    &Apache::lonnet::appenv({'cgi.'.$identifier.'.students' => $all_students,
+                             'cgi.'.$identifier.'.symb' => $symb,
+                             'cgi.'.$identifier.'.parts' => $parts,});
     $r->print('<a href="/cgi-bin/multidownload.pl?'.$identifier.'">'.
 	      &mt('Download All Submitted Documents').'</a>');
     return
@@ -2767,7 +2768,7 @@ sub check_and_remove_from_queue {
 
 sub handback_files {
     my ($request,$symb,$stuname,$domain,$newflg,$new_part,$newrecord) = @_;
-    my $portfolio_root = &propath($domain,$stuname).'/userfiles/portfolio';
+    my $portfolio_root = '/userfiles/portfolio';
     my ($partlist,$handgrade,$responseType) = &response_type($symb);
 
     my @part_response_id = &flatten_responseType($responseType);
@@ -2785,7 +2786,8 @@ sub handback_files {
                     my ($answer_name,$answer_ver,$answer_ext) =
 		        &file_name_version_ext($answer_file);
 		    my ($portfolio_path) = ($directory =~ /^.+$stuname\/portfolio(.*)/);
-		    my @dir_list = &Apache::lonnet::dirlist($portfolio_path,$domain,$stuname,$portfolio_root);
+                    my $getpropath = 1;
+		    my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$portfolio_path,$domain,$stuname,$getpropath);
 		    my $version = &get_next_version($answer_name, $answer_ext, \@dir_list);
                     # fix file name
                     my ($save_file_name) = (($directory.$answer_name.".$version.".$answer_ext) =~ /^.+\/${stuname}\/(.*)/);
@@ -2921,8 +2923,7 @@ sub version_portfiles {
     my $version_parts = join('|',@$v_flag);
     my @returned_keys;
     my $parts = join('|', @$parts_graded);
-    my $portfolio_root = &propath($domain,$stu_name).
-	'/userfiles/portfolio';
+    my $portfolio_root = '/userfiles/portfolio';
     foreach my $key (keys(%$record)) {
         my $new_portfiles;
         if ($key =~ /^resource\.($version_parts)\./ && $key =~ /\.portfiles$/ ) {
@@ -2933,7 +2934,8 @@ sub version_portfiles {
                 my ($directory,$answer_file) =($file =~ /^(.*?)([^\/]*)$/);
 		my ($answer_name,$answer_ver,$answer_ext) =
 		    &file_name_version_ext($answer_file);
-                my @dir_list = &Apache::lonnet::dirlist($directory,$domain,$stu_name,$portfolio_root);
+                my $getpropath = 1;    
+                my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$directory,$domain,$stu_name,$getpropath);
                 my $version = &get_next_version($answer_name, $answer_ext, \@dir_list);
                 my $new_answer = &version_selected_portfile($domain, $stu_name, $directory, $answer_file, $version);
                 if ($new_answer ne 'problem getting file') {
@@ -4042,31 +4044,31 @@ sub csvuploadassign {
 		$grades{$store_key}=$entries{$fields{$dest}};
 	    }
 	}
-	if (! %grades) { push(@skipped,"$username:$domain no data to save"); }
-	$grades{"resource.regrader"}="$env{'user.name'}:$env{'user.domain'}";
-	my $result=&Apache::lonnet::cstore(\%grades,$symb,
+	if (! %grades) { 
+           push(@skipped,&mt("[_1]: no data to save","$username:$domain")); 
+        } else {
+	   $grades{"resource.regrader"}="$env{'user.name'}:$env{'user.domain'}";
+	   my $result=&Apache::lonnet::cstore(\%grades,$symb,
 					   $env{'request.course.id'},
 					   $domain,$username);
-	if ($result eq 'ok') {
-	    $request->print('.');
-	} else {
-	    $request->print("<p>
-                              <span class=\"LC_error\">
-                                 Failed to save student $username:$domain.
-                                 Message when trying to save was ($result)
-                              </span>
-                             </p>" );
-	}
-	$request->rflush();
-	$countdone++;
+	   if ($result eq 'ok') {
+	      $request->print('.');
+	   } else {
+	      $request->print("<p><span class=\"LC_error\">".
+                              &mt("Failed to save data for student [_1]. Message when trying to save was: [_2]",
+                                  "$username:$domain",$result)."</span></p>");
+	   }
+	   $request->rflush();
+	   $countdone++;
+        }
     }
-    $request->print("<br />Saved $countdone students\n");
+    $request->print('<br /><span class="LC_info">'.&mt("Saved [_1] students",$countdone)."</span>\n");
     if (@skipped) {
-	$request->print('<p><h4><b>Skipped Students</b></h4></p>');
+	$request->print('<p><span class="LC_warning">'.&mt('Skipped Students').'</span></p>');
 	foreach my $student (@skipped) { $request->print("$student<br />\n"); }
     }
     if (@notallowed) {
-	$request->print('<p><span class="LC_error">Students Not Allowed to Modify</span></p>');
+	$request->print('<p><span class="LC_error">'.&mt('Students Not Allowed to Modify').'</span></p>');
 	foreach my $student (@notallowed) { $request->print("$student<br />\n"); }
     }
     $request->print("<br />\n");
@@ -4256,7 +4258,8 @@ sub displayPage {
     my $result='<h3><span class="LC_info">&nbsp;'.$env{'form.title'}.'</span></h3>';
     $result.='<h3>&nbsp;'.&mt('Student: [_1]',&nameUserString(undef,$$fullname{$env{'form.student'}},$uname,$udom)).
 	'</h3>'."\n";
-    if (&Apache::lonnet::validCODE($env{'form.CODE'})) {
+    $env{'form.CODE'} = uc($env{'form.CODE'});
+    if (&Apache::lonnet::validCODE(uc($env{'form.CODE'}))) {
 	$result.='<h3>&nbsp;'.&mt('CODE: [_1]',$env{'form.CODE'}).'</h3>'."\n";
     } else {
 	delete($env{'form.CODE'});
@@ -4757,6 +4760,69 @@ sub getSequenceDropDown {
     return $result;
 }
 
+my %bubble_lines_per_response;     # no. bubble lines for each response.
+                                   # index is "symb.part_id"
+
+my %first_bubble_line;             # First bubble line no. for each bubble.
+
+my %subdivided_bubble_lines;       # no. bubble lines for optionresponse, 
+                                   # matchresponse or rankresponse, where 
+                                   # an individual response can have multiple 
+                                   # lines
+
+my %responsetype_per_response;     # responsetype for each response
+
+# Save and restore the bubble lines array to the form env.
+
+
+sub save_bubble_lines {
+    foreach my $line (keys(%bubble_lines_per_response)) {
+	$env{"form.scantron.bubblelines.$line"}  = $bubble_lines_per_response{$line};
+	$env{"form.scantron.first_bubble_line.$line"} =
+	    $first_bubble_line{$line};
+        $env{"form.scantron.sub_bubblelines.$line"} = 
+            $subdivided_bubble_lines{$line};
+        $env{"form.scantron.responsetype.$line"} =
+            $responsetype_per_response{$line};
+    }
+}
+
+
+sub restore_bubble_lines {
+    my $line = 0;
+    %bubble_lines_per_response = ();
+    while ($env{"form.scantron.bubblelines.$line"}) {
+	my $value = $env{"form.scantron.bubblelines.$line"};
+	$bubble_lines_per_response{$line} = $value;
+	$first_bubble_line{$line}  =
+	    $env{"form.scantron.first_bubble_line.$line"};
+        $subdivided_bubble_lines{$line} =
+            $env{"form.scantron.sub_bubblelines.$line"};
+        $responsetype_per_response{$line} =
+            $env{"form.scantron.responsetype.$line"};
+	$line++;
+    }
+
+}
+
+#  Given the parsed scanline, get the response for 
+#  'answer' number n:
+
+sub get_response_bubbles {
+    my ($parsed_line, $response)  = @_;
+
+
+    my $bubble_line = $first_bubble_line{$response-1} +1;
+    my $bubble_lines= $bubble_lines_per_response{$response-1};
+    
+    my $selected = "";
+
+    for (my $bline = 0; $bline < $bubble_lines; $bline++) {
+	$selected .= $$parsed_line{"scantron.$bubble_line.answer"}.":";
+	$bubble_line++;
+    }
+    return $selected;
+}
 
 =pod 
 
@@ -4769,8 +4835,9 @@ sub getSequenceDropDown {
 sub scantron_filenames {
     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
+    my $getpropath = 1;
     my @files=&Apache::lonnet::dirlist('userfiles',$cdom,$cname,
-				    &propath($cdom,$cname));
+                                       $getpropath);
     my @possiblenames;
     foreach my $filename (sort(@files)) {
 	($filename)=split(/&/,$filename);
@@ -4813,19 +4880,76 @@ sub scantron_uploads {
 =cut
 
 sub scantron_scantab {
-    my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
     my $result='<select name="scantron_format">'."\n";
     $result.='<option></option>'."\n";
-    foreach my $line (<$fh>) {
-	my ($name,$descrip)=split(/:/,$line);
-	if ($name =~ /^\#/) { next; }
-	$result.='<option value="'.$name.'">'.$descrip.'</option>'."\n";
+    my @lines = &get_scantronformat_file();
+    if (@lines > 0) {
+        foreach my $line (@lines) {
+            next if (($line =~ /^\#/) || ($line eq ''));
+	    my ($name,$descrip)=split(/:/,$line);
+	    $result.='<option value="'.$name.'">'.$descrip.'</option>'."\n";
+        }
     }
     $result.='</select>'."\n";
-
     return $result;
 }
 
+=pod
+
+=item get_scantronformat_file
+
+  Returns an array containing lines from the scantron format file for
+  the domain of the course.
+
+  If a url for a custom.tab file is listed in domain's configuration.db, 
+  lines are from this file.
+
+  Otherwise, if a default.tab has been published in RES space by the 
+  domainconfig user, lines are from this file.
+
+  Otherwise, fall back to getting lines from the legacy file on the
+  local server:  /home/httpd/lonTabs/default_scantronformat.tab    
+
+=cut
+
+sub get_scantronformat_file {
+    my $cdom= $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my %domconfig = &Apache::lonnet::get_dom('configuration',['scantron'],$cdom);
+    my $gottab = 0;
+    my @lines;
+    if (ref($domconfig{'scantron'}) eq 'HASH') {
+        if ($domconfig{'scantron'}{'scantronformat'} ne '') {
+            my $formatfile = &Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonDocRoot'}.$domconfig{'scantron'}{'scantronformat'});
+            if ($formatfile ne '-1') {
+                @lines = split("\n",$formatfile,-1);
+                $gottab = 1;
+            }
+        }
+    }
+    if (!$gottab) {
+        my $confname = $cdom.'-domainconfig';
+        my $default = $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$cdom.'/'.$confname.'/default.tab';
+        my $formatfile =  &Apache::lonnet::getfile($default);
+        if ($formatfile ne '-1') {
+            @lines = split("\n",$formatfile,-1);
+            $gottab = 1;
+        }
+    }
+    if (!$gottab) {
+        my @domains = &Apache::lonnet::current_machine_domains();
+        if (grep(/^\Q$cdom\E$/,@domains)) {
+            my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
+            @lines = <$fh>;
+            close($fh);
+        } else {
+            my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/default_scantronformat.tab');
+            @lines = <$fh>;
+            close($fh);
+        }
+    }
+    return @lines;
+}
+
 =pod 
 
 =item scantron_CODElist
@@ -4899,6 +5023,8 @@ sub scantron_selectphase {
     my $CODE_unique=&scantron_CODEunique();
     my $result;
 
+    $ssi_error = 0;
+
     # Chunk of form to prompt for a file to grade and how:
 
     $result.= '
@@ -4909,35 +5035,35 @@ sub scantron_selectphase {
     '.&Apache::loncommon::start_data_table('LC_scantron_action').'
        '.&Apache::loncommon::start_data_table_header_row().'
             <th colspan="2">
-              &nbsp;Specify file and which Folder/Sequence to grade
+              &nbsp;'.&mt('Specify file and which Folder/Sequence to grade').'
             </th>
        '.&Apache::loncommon::end_data_table_header_row().'
        '.&Apache::loncommon::start_data_table_row().'
-            <td> Sequence to grade: </td><td> '.$sequence_selector.' </td>
+            <td> '.&mt('Sequence to grade:').' </td><td> '.$sequence_selector.' </td>
        '.&Apache::loncommon::end_data_table_row().'
        '.&Apache::loncommon::start_data_table_row().'
-            <td> Filename of scoring office file: </td><td> '.$file_selector.' </td>
+            <td> '.&mt('Filename of scoring office file:').' </td><td> '.$file_selector.' </td>
        '.&Apache::loncommon::end_data_table_row().'
        '.&Apache::loncommon::start_data_table_row().'
-            <td> Format of data file: </td><td> '.$format_selector.' </td>
+            <td> '.&mt('Format of data file:').' </td><td> '.$format_selector.' </td>
        '.&Apache::loncommon::end_data_table_row().'
        '.&Apache::loncommon::start_data_table_row().'
-            <td> Saved CODEs to validate against: </td><td> '.$CODE_selector.' </td>
+            <td> '.&mt('Saved CODEs to validate against:').' </td><td> '.$CODE_selector.' </td>
        '.&Apache::loncommon::end_data_table_row().'
        '.&Apache::loncommon::start_data_table_row().'
-            <td> Each CODE is only to be used once:</td><td> '.$CODE_unique.' </td>
+            <td> '.&mt('Each CODE is only to be used once:').'</td><td> '.$CODE_unique.' </td>
        '.&Apache::loncommon::end_data_table_row().'
        '.&Apache::loncommon::start_data_table_row().'
-	    <td> Options: </td>
+	    <td> '.&mt('Options:').' </td>
             <td>
-	       <label><input type="checkbox" name="scantron_options_redo" value="redo_skipped"/> Do only previously skipped records</label> <br />
-               <label><input type="checkbox" name="scantron_options_ignore" value="ignore_corrections"/> Remove all existing corrections</label> <br />
-               <label><input type="checkbox" name="scantron_options_hidden" value="ignore_hidden"/> Skip hidden resources when grading</label>
+	       <label><input type="checkbox" name="scantron_options_redo" value="redo_skipped"/> '.&mt('Do only previously skipped records').'</label> <br />
+               <label><input type="checkbox" name="scantron_options_ignore" value="ignore_corrections"/> '.&mt('Remove all existing corrections').'</label> <br />
+               <label><input type="checkbox" name="scantron_options_hidden" value="ignore_hidden"/> '.&mt('Skip hidden resources when grading').'</label>
 	    </td>
        '.&Apache::loncommon::end_data_table_row().'
        '.&Apache::loncommon::start_data_table_row().'
             <td colspan="2">
-              <input type="submit" value="Grading: Validate Scantron Records" />
+              <input type="submit" value="'.&mt('Grading: Validate Scantron Records').'" />
             </td>
        '.&Apache::loncommon::end_data_table_row().'
     '.&Apache::loncommon::end_data_table().'
@@ -4956,7 +5082,7 @@ sub scantron_selectphase {
     '.&Apache::loncommon::start_data_table('LC_scantron_action').'
        '.&Apache::loncommon::start_data_table_header_row().'
             <th>
-              &nbsp;Specify a Scantron data file to upload.
+              &nbsp;'.&mt('Specify a Scantron data file to upload.').'
             </th>
        '.&Apache::loncommon::end_data_table_header_row().'
        '.&Apache::loncommon::start_data_table_row().'
@@ -4965,27 +5091,27 @@ sub scantron_selectphase {
     my $default_form_data=&defaultFormData(&get_symb($r,1));
     my $cdom= $env{'course.'.$env{'request.course.id'}.'.domain'};
     my $cnum= $env{'course.'.$env{'request.course.id'}.'.num'};
-    $r->print(<<UPLOAD);
+    $r->print('
               <script type="text/javascript" language="javascript">
     function checkUpload(formname) {
 	if (formname.upfile.value == "") {
-	    alert("Please use the browse button to select a file from your local directory.");
+	    alert("'.&mt('Please use the browse button to select a file from your local directory.').'");
 	    return false;
 	}
 	formname.submit();
     }
               </script>
 
-              <form enctype='multipart/form-data' action='/adm/grades' name='rules' method='post'>
-                $default_form_data
-                <input name='courseid' type='hidden' value='$cnum' />
-                <input name='domainid' type='hidden' value='$cdom' />
-                <input name='command' value='scantronupload_save' type='hidden' />
-                File to upload:<input type="file" name="upfile" size="50" />
+              <form enctype="multipart/form-data" action="/adm/grades" name="rules" method="post">
+                '.$default_form_data.'
+                <input name="courseid" type="hidden" value="'.$cnum.'" />
+                <input name="domainid" type="hidden" value="'.$cdom.'" />
+                <input name="command" value="scantronupload_save" type="hidden" />
+                '.&mt('File to upload: [_1]','<input type="file" name="upfile" size="50" />').'
                 <br />
-                <input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Scantron Data" />
+                <input type="button" onClick="javascript:checkUpload(this.form);" value="'.&mt('Upload Scantron Data').'" />
               </form>
-UPLOAD
+');
 
         $r->print('
             </td>
@@ -5005,13 +5131,13 @@ UPLOAD
      '.&Apache::loncommon::start_data_table('LC_scantron_action').'
        '.&Apache::loncommon::start_data_table_header_row().'
               <th>
-                &nbsp;Download a scoring office file
+                &nbsp;'.&mt('Download a scoring office file').'
               </th>
        '.&Apache::loncommon::end_data_table_header_row().'
        '.&Apache::loncommon::start_data_table_row().'
-              <td> Filename of scoring office file: '.$file_selector.' 
+              <td> '.&mt('Filename of scoring office file: [_1]',$file_selector).' 
                 <br />
-                <input type="submit" value="Download: Show List of Associated Files" />
+                <input type="submit" value="'.&mt('Download: Show List of Associated Files').'" />
        '.&Apache::loncommon::end_data_table_row().'
      '.&Apache::loncommon::end_data_table().'
    </form>
@@ -5082,10 +5208,10 @@ UPLOAD
 
 sub get_scantron_config {
     my ($which) = @_;
-    my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
+    my @lines = &get_scantronformat_file();
     my %config;
     #FIXME probably should move to XML it has already gotten a bit much now
-    foreach my $line (<$fh>) {
+    foreach my $line (@lines) {
 	my ($name,$descrip)=split(/:/,$line);
 	if ($name ne $which ) { next; }
 	chomp($line);
@@ -5098,7 +5224,7 @@ sub get_scantron_config {
 	$config{'IDstart'}=$config[5];
 	$config{'IDlength'}=$config[6];
 	$config{'Qstart'}=$config[7];
-	$config{'Qlength'}=$config[8];
+ 	$config{'Qlength'}=$config[8];
 	$config{'Qoff'}=$config[9];
 	$config{'Qon'}=$config[10];
 	$config{'PaperID'}=$config[11];
@@ -5172,6 +5298,8 @@ sub username_to_idmap {
                           - 'answer'
                                'response' - new answer or 'none' if blank
                                'question' - the bubble line to change
+                               'questionnum' - the question identifier,
+                                               may include subquestion. 
 
   Returns:
     $line - the modified scanline
@@ -5184,8 +5312,6 @@ sub username_to_idmap {
 
 sub scantron_fixup_scanline {
     my ($scantron_config,$scan_data,$line,$whichline,$field,$args)=@_;
-    
-    
     if ($field eq 'ID') {
 	if (length($args->{'newid'}) > $$scantron_config{'IDlength'}) {
 	    return ($line,1,'New value too large');
@@ -5216,58 +5342,28 @@ sub scantron_fixup_scanline {
 		   $$scantron_config{'CODElength'})=$args->{'CODE'};
 	}
     } elsif ($field eq 'answer') {
-	&scantron_get_maxbubble(); # Need the bubble counter info.
-	my $length =$scantron_config->{'Qlength'};
+	my $length=$scantron_config->{'Qlength'};
 	my $off=$scantron_config->{'Qoff'};
 	my $on=$scantron_config->{'Qon'};
-        my $question_number = $args->{'question'} -1;
-        my $first_position  = $first_bubble_line{$question_number};
-	my $bubble_count    = $bubble_lines_per_response{$question_number};
-        my $bubbles_per_line= $$scantron_config{'Qlength'};
-	my $answer=${off}x($bubbles_per_line*$bubble_count);
-        my $final_answer;
-        if ($$scantron_config{'Qon'} eq 'letter'  ||
-	    $$scantron_config{'Qon'} eq 'number') { 
-	    $bubbles_per_line = 10;
-	}
-	if (defined $args->{'response'}) {
-	    
-	    if ($args->{'response'} eq 'none') {
-		&scan_data($scan_data,
-			   "$whichline.no_bubble.".$args->{'question'},'1');
+	my $answer=${off}x$length;
+	if ($args->{'response'} eq 'none') {
+	    &scan_data($scan_data,
+		       "$whichline.no_bubble.".$args->{'questionnum'},'1');
+	} else {
+	    if ($on eq 'letter') {
+		my @alphabet=('A'..'Z');
+		$answer=$alphabet[$args->{'response'}];
+	    } elsif ($on eq 'number') {
+		$answer=$args->{'response'}+1;
+		if ($answer == 10) { $answer = '0'; }
 	    } else {
-		my ($bubble_line, $bubble_number) = split(/:/,$args->{'response'});
-		if ($on eq 'letter') {
-		    my @alphabet=('A'..'Z');
-		    $answer=$alphabet[$bubble_number];
-		} elsif ($on eq 'number') {
-		    $answer= $bubble_number+1;
-		    if ($answer == 10) { $answer = '0'; }
-		} else {
-		    substr($answer,$bubble_number+$bubble_line*$bubbles_per_line,1)=$on;
-		    $final_answer = $answer;
-		}
-		&scan_data($scan_data,
-			   "$whichline.no_bubble.".$args->{'question'},undef,'1');
-		
-		# Positional notation already has the right final answer length..
-
-		if (($on eq 'letter') || ($on eq 'number')) {
-		    for (my $l = 0; $l < $bubble_count; $l++) {
-			if ($l eq $bubble_line) {
-			    $final_answer .= $answer;
-			} else {
-			    $final_answer .= ' ';
-			}
-		    }
-		}
+		substr($answer,$args->{'response'},1)=$on;
 	    }
-	    # $where=$length*($args->{'question'}-1)+$scantron_config->{'Qstart'};
-	    #substr($line,$where-1,$length)=$answer;
-	    substr($line, 
-		   $scantron_config->{'Qstart'}+$first_position-1,
-		   $bubbles_per_line*$length) = $final_answer;
+	    &scan_data($scan_data,
+		       "$whichline.no_bubble.".$args->{'questionnum'},undef,'1');
 	}
+	my $where=$length*($args->{'question'}-1)+$scantron_config->{'Qstart'};
+	substr($line,$where-1,$length)=$answer;
     }
     return $line;
 }
@@ -5301,6 +5397,39 @@ sub scan_data {
     return $scan_data->{$filename.'_'.$key};
 }
 
+# ----- These first few routines are general use routines.----
+
+# Return the number of occurences of a pattern in a string.
+
+sub occurence_count {
+    my ($string, $pattern) = @_;
+
+    my @matches = ($string =~ /$pattern/g);
+
+    return scalar(@matches);
+}
+
+
+# Take a string known to have digits and convert all the
+# digits into letters in the range J,A..I.
+
+sub digits_to_letters {
+    my ($input) = @_;
+
+    my @alphabet = ('J', 'A'..'I');
+
+    my @input    = split(//, $input);
+    my $output ='';
+    for (my $i = 0; $i < scalar(@input); $i++) {
+	if ($input[$i] =~ /\d/) {
+	    $output .= $alphabet[$input[$i]];
+	} else {
+	    $output .= $input[$i];
+	}
+    }
+    return $output;
+}
+
 =pod 
 
 =item scantron_parse_scanline
@@ -5403,166 +5532,218 @@ sub scantron_parse_scanline {
     $questions =~ s/\r$//;      # Get rid of trailing \r too (MAC or Win uploads).
     while (length($questions)) {
 	my $answers_needed = $bubble_lines_per_response{$questnum};
-	my $answer_length  = $$scantron_config{'Qlength'} * $answers_needed;
-
-
-	$questnum++;
-	my $currentquest = substr($questions,0,$answer_length);
-	$questions       = substr($questions,$answer_length);
-	if (length($currentquest) < $answer_length) { next; }
-
-	# Qon letter implies for each slot in currentquest we have:
-	#    ? or * for doubles a letter in A-Z for a bubble and
-        #    about anything else (esp. a value of Qoff for missing
-	#    bubbles.
-
-
-	if ($$scantron_config{'Qon'} eq 'letter') {
-	    if ($currentquest =~ /\?/
-		|| $currentquest =~ /\*/
-		|| (&occurence_count($currentquest, "[A-Z]") > 1)) {
-		push(@{$record{'scantron.doubleerror'}},$questnum);
-		for (my $ans = 0; $ans < $answers_needed; $ans++) { 
-		    my $bubble = substr($currentquest, $ans, 1);
-		    if ($bubble =~ /[A-Z]/ ) {
-			$record{"scantron.$ansnum.answer"} = $bubble;
-		    } else {
-			$record{"scantron.$ansnum.answer"}='';
-		    }
-		    $ansnum++;
-		}
-
-	    } elsif (!defined($currentquest)
-		     || (&occurence_count($currentquest, $$scantron_config{'Qoff'}) == length($currentquest))
-		     || (&occurence_count($currentquest, "[A-Z]") == 0)) {
-		for (my $ans = 0; $ans < $answers_needed; $ans++ ) {
-		    $record{"scantron.$ansnum.answer"}='';
-		    $ansnum++;
-
-		}
-		if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) {
-		    push(@{$record{"scantron.missingerror"}},$questnum);
-		   #  $ansnum += $answers_needed;
-		}
-	    } else {
-		for (my $ans = 0; $ans < $answers_needed; $ans++) {
-		    my $bubble = substr($currentquest, $ans, 1);
-		    $record{"scantron.$ansnum.answer"} = $bubble;
-		    $ansnum++;
-		}
-	    }
-
-	# Qon 'number' implies each slot gives a digit that indexes the
-	#    the bubbles filled or Qoff or a non number for unbubbled lines.
-        #    and *? for double bubbles on a line.
-	#    these answers are also stored as letters.
-
-	} elsif ($$scantron_config{'Qon'} eq 'number') {
-	    if ($currentquest =~ /\?/
-		|| $currentquest =~ /\*/
-		|| (&occurence_count($currentquest, '\d') > 1)) {
-		push(@{$record{'scantron.doubleerror'}},$questnum);
-		for (my $ans = 0; $ans < $answers_needed; $ans++) {
-		    my $bubble = substr($currentquest, $ans, 1);
-		    if ($bubble =~ /\d/) {
-			$record{"scantron.$ansnum.answer"} = $alphabet[$bubble];
-		    } else {
-			$record{"scantron.$ansnum.answer"}=' ';
-		    }
-		    $ansnum++;
-		}
-
-	    } elsif (!defined($currentquest)
-		     || (&occurence_count($currentquest,$$scantron_config{'Qoff'}) == length($currentquest)) 
-		     || (&occurence_count($currentquest, '\d') == 0)) {
-		for (my $ans = 0; $ans < $answers_needed; $ans++ ) {
-		    $record{"scantron.$ansnum.answer"}='';
-		    $ansnum++;
-
-		}
-		if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) {
-		    push(@{$record{"scantron.missingerror"}},$questnum);
-		    $ansnum += $answers_needed;
-		}
-
-	    } else {
-		$currentquest = &digits_to_letters($currentquest);
-		for (my $ans =0; $ans < $answers_needed; $ans++) {
-		    $record{"scantron.$ansnum.answer"} = substr($currentquest, $ans, 1);
-		    $ansnum++;
-		}
-	    }
-	} else {
+        my $answer_length  = ($$scantron_config{'Qlength'} * $answers_needed)
+                             || 1;
+        $questnum++;
+        my $quest_id = $questnum;
+        my $currentquest = substr($questions,0,$answer_length);
+        $questions       = substr($questions,$answer_length);
+        if (length($currentquest) < $answer_length) { next; }
+
+        if ($subdivided_bubble_lines{$questnum-1} =~ /,/) {
+            my $subquestnum = 1;
+            my $subquestions = $currentquest;
+            my @subanswers_needed = 
+                split(/,/,$subdivided_bubble_lines{$questnum-1});  
+            foreach my $subans (@subanswers_needed) {
+                my $subans_length =
+                    ($$scantron_config{'Qlength'} * $subans)  || 1;
+                my $currsubquest = substr($subquestions,0,$subans_length);
+                $subquestions   = substr($subquestions,$subans_length);
+                $quest_id = "$questnum.$subquestnum";
+                if (($$scantron_config{'Qon'} eq 'letter') ||
+                    ($$scantron_config{'Qon'} eq 'number')) {
+                    $ansnum = &scantron_validator_lettnum($ansnum, 
+                        $questnum,$quest_id,$subans,$currsubquest,$whichline,
+                        \@alphabet,\%record,$scantron_config,$scan_data);
+                } else {
+                    $ansnum = &scantron_validator_positional($ansnum,
+                        $questnum,$quest_id,$subans,$currsubquest,$whichline,                        \@alphabet,\%record,$scantron_config,$scan_data);
+                }
+                $subquestnum ++;
+            }
+        } else {
+            if (($$scantron_config{'Qon'} eq 'letter') ||
+                ($$scantron_config{'Qon'} eq 'number')) {
+                $ansnum = &scantron_validator_lettnum($ansnum,$questnum,
+                    $quest_id,$answers_needed,$currentquest,$whichline,
+                    \@alphabet,\%record,$scantron_config,$scan_data);
+            } else {
+                $ansnum = &scantron_validator_positional($ansnum,$questnum,
+                    $quest_id,$answers_needed,$currentquest,$whichline,
+                    \@alphabet,\%record,$scantron_config,$scan_data);
+            }
+        }
+    }
+    $record{'scantron.maxquest'}=$questnum;
+    return \%record;
+}
 
-	    # Otherwise there's a positional notation;
-	    # each bubble line requires Qlength items, and there are filled in
-	    # bubbles for each case where there 'Qon' characters.
-	    #
+sub scantron_validator_lettnum {
+    my ($ansnum,$questnum,$quest_id,$answers_needed,$currquest,$whichline,
+        $alphabet,$record,$scantron_config,$scan_data) = @_;
+
+    # Qon 'letter' implies for each slot in currquest we have:
+    #    ? or * for doubles, a letter in A-Z for a bubble, and
+    #    about anything else (esp. a value of Qoff) for missing
+    #    bubbles.
+    #
+    # Qon 'number' implies each slot gives a digit that indexes the
+    #    bubbles filled, or Qoff, or a non-number for unbubbled lines,
+    #    and * or ? for double bubbles on a single line.
+    #
 
-	    my @array=split($$scantron_config{'Qon'},$currentquest,-1);
+    my $matchon;
+    if ($$scantron_config{'Qon'} eq 'letter') {
+        $matchon = '[A-Z]';
+    } elsif ($$scantron_config{'Qon'} eq 'number') {
+        $matchon = '\d';
+    }
+    my $occurrences = 0;
+    if (($responsetype_per_response{$questnum-1} eq 'essayresponse') ||
+        ($responsetype_per_response{$questnum-1} eq 'formularesponse') ||
+        ($responsetype_per_response{$questnum-1} eq 'stringresponse') ||
+        ($responsetype_per_response{$questnum-1} eq 'imageresponse') ||
+        ($responsetype_per_response{$questnum-1} eq 'reactionresponse') ||
+        ($responsetype_per_response{$questnum-1} eq 'organicresponse')) {
+        my @singlelines = split('',$currquest);
+        foreach my $entry (@singlelines) {
+            $occurrences = &occurence_count($entry,$matchon);
+            if ($occurrences > 1) {
+                last;
+            }
+        } 
+    } else {
+        $occurrences = &occurence_count($currquest,$matchon); 
+    }
+    if (($currquest =~ /\?/ || $currquest =~ /\*/) || ($occurrences > 1)) {
+        push(@{$record->{'scantron.doubleerror'}},$quest_id);
+        for (my $ans=0; $ans<$answers_needed; $ans++) {
+            my $bubble = substr($currquest,$ans,1);
+            if ($bubble =~ /$matchon/ ) {
+                if ($$scantron_config{'Qon'} eq 'number') {
+                    if ($bubble == 0) {
+                        $bubble = 10; 
+                    }
+                    $record->{"scantron.$ansnum.answer"} = 
+                        $alphabet->[$bubble-1];
+                } else {
+                    $record->{"scantron.$ansnum.answer"} = $bubble;
+                }
+            } else {
+                $record->{"scantron.$ansnum.answer"}='';
+            }
+            $ansnum++;
+        }
+    } elsif (!defined($currquest)
+            || (&occurence_count($currquest, $$scantron_config{'Qoff'}) == length($currquest))
+            || (&occurence_count($currquest,$matchon) == 0)) {
+        for (my $ans=0; $ans<$answers_needed; $ans++ ) {
+            $record->{"scantron.$ansnum.answer"}='';
+            $ansnum++;
+        }
+        if (!&scan_data($scan_data,"$whichline.no_bubble.$quest_id")) {
+            push(@{$record->{'scantron.missingerror'}},$quest_id);
+        }
+    } else {
+        if ($$scantron_config{'Qon'} eq 'number') {
+            $currquest = &digits_to_letters($currquest);            
+        }
+        for (my $ans=0; $ans<$answers_needed; $ans++) {
+            my $bubble = substr($currquest,$ans,1);
+            $record->{"scantron.$ansnum.answer"} = $bubble;
+            $ansnum++;
+        }
+    }
+    return $ansnum;
+}
 
-	    # If the split only  giveas us one element.. the full length of the
-	    # answser string, no bubbles are filled in:
+sub scantron_validator_positional {
+    my ($ansnum,$questnum,$quest_id,$answers_needed,$currquest,
+        $whichline,$alphabet,$record,$scantron_config,$scan_data) = @_;
 
-	    if (length($array[0]) eq $$scantron_config{'Qlength'}*$answers_needed) {
-		for (my $ans = 0; $ans < $answers_needed; $ans++ ) {
-		    $record{"scantron.$ansnum.answer"}='';
-		    $ansnum++;
+    # Otherwise there's a positional notation;
+    # each bubble line requires Qlength items, and there are filled in
+    # bubbles for each case where there 'Qon' characters.
+    #
 
-		}
-		if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) {
-		    push(@{$record{"scantron.missingerror"}},$questnum);
-		}
-		
+    my @array=split($$scantron_config{'Qon'},$currquest,-1);
 
+    # If the split only gives us one element.. the full length of the
+    # answer string, no bubbles are filled in:
 
-	    } elsif (scalar(@array) eq 2) {
+    if ($answers_needed eq '') {
+        return;
+    }
 
-		my $location      = length($array[0]);
-		my $line_num      = int($location / $$scantron_config{'Qlength'});
-		my $bubble        = $alphabet[$location % $$scantron_config{'Qlength'}];
-		
+    if (length($array[0]) eq $$scantron_config{'Qlength'}*$answers_needed) {
+        for (my $ans=0; $ans<$answers_needed; $ans++ ) {
+            $record->{"scantron.$ansnum.answer"}='';
+            $ansnum++;
+        }
+        if (!&scan_data($scan_data,"$whichline.no_bubble.$quest_id")) {
+            push(@{$record->{"scantron.missingerror"}},$quest_id);
+        }
+    } elsif (scalar(@array) == 2) {
+        my $location = length($array[0]);
+        my $line_num = int($location / $$scantron_config{'Qlength'});
+        my $bubble   = $alphabet->[$location % $$scantron_config{'Qlength'}];
+        for (my $ans=0; $ans<$answers_needed; $ans++) {
+            if ($ans eq $line_num) {
+                $record->{"scantron.$ansnum.answer"} = $bubble;
+            } else {
+                $record->{"scantron.$ansnum.answer"} = ' ';
+            }
+            $ansnum++;
+         }
+    } else {
+        #  If there's more than one instance of a bubble character
+        #  That's a double bubble; with positional notation we can
+        #  record all the bubbles filled in as well as the
+        #  fact this response consists of multiple bubbles.
+        #
+        if (($responsetype_per_response{$questnum-1} eq 'essayresponse') ||
+            ($responsetype_per_response{$questnum-1} eq 'formularesponse') ||
+            ($responsetype_per_response{$questnum-1} eq 'stringresponse') ||
+            ($responsetype_per_response{$questnum-1} eq 'imageresponse') ||
+            ($responsetype_per_response{$questnum-1} eq 'reactionresponse') ||
+            ($responsetype_per_response{$questnum-1} eq 'organicresponse')) {
+            my $doubleerror = 0;
+            while (($currquest >= $$scantron_config{'Qlength'}) && 
+                   (!$doubleerror)) {
+               my $currline = substr($currquest,0,$$scantron_config{'Qlength'});
+               $currquest = substr($currquest,$$scantron_config{'Qlength'});
+               my @currarray = split($$scantron_config{'Qon'},$currline,-1);
+               if (length(@currarray) > 2) {
+                   $doubleerror = 1;
+               } 
+            }
+            if ($doubleerror) {
+                push(@{$record->{'scantron.doubleerror'}},$quest_id);
+            }
+        } else {
+            push(@{$record->{'scantron.doubleerror'}},$quest_id);
+        }
+        my $item = $ansnum;
+        for (my $ans=0; $ans<$answers_needed; $ans++) {
+            $record->{"scantron.$item.answer"} = '';
+            $item ++;
+        }
 
-		for (my $ans = 0; $ans < $answers_needed; $ans++) {
-		    if ($ans eq $line_num) {
-			$record{"scantron.$ansnum.answer"} = $bubble;
-		    } else {
-			$record{"scantron.$ansnum.answer"} = ' ';
-		    }
-		    $ansnum++;
-		}
-	    }
-	    #  If there's more than one instance of a bubble character
-	    #  That's a double bubble; with positional notation we can
-	    #  record all the bubbles filled in as well as the 
-	    #  fact this response consists of multiple bubbles.
-	    #
-	    else {
-		push(@{$record{'scantron.doubleerror'}},$questnum);
-
-		my $first_answer = $ansnum;
-		for (my $ans =0; $ans < $answers_needed; $ans++) {
-		    my $item = $first_answer+$ans;
-		    $record{"scantron.$item.answer"} = '';
-		}
-
-		my @ans=@array;
-		my $i=0;
-		my $increment = 0;
-		while ($#ans) {
-		    $i+=length($ans[0]) + $increment;
-		    my $line   = int($i/$$scantron_config{'Qlength'} + $first_answer);
-		    my $bubble = $i%$$scantron_config{'Qlength'};
-		    $record{"scantron.$line.answer"}.=$alphabet[$bubble];
-		    shift(@ans);
-		    $increment = 1;
-		}
-		$ansnum += $answers_needed;
-	    }
-	}
+        my @ans=@array;
+        my $i=0;
+        my $increment = 0;
+        while ($#ans) {
+            $i+=length($ans[0]) + $increment;
+            my $line   = int($i/$$scantron_config{'Qlength'} + $ansnum);
+            my $bubble = $i%$$scantron_config{'Qlength'};
+            $record->{"scantron.$line.answer"}.=$alphabet->[$bubble];
+            shift(@ans);
+            $increment = 1;
+        }
+        $ansnum += $answers_needed;
     }
-    $record{'scantron.maxquest'}=$questnum;
-    return \%record;
+    return $ansnum;
 }
 
 =pod
@@ -5702,7 +5883,8 @@ sub scantron_process_corrections {
 		&scantron_fixup_scanline(\%scantron_config,$scan_data,$line,
 					 $which,'answer',
 					 { 'question'=>$question,
-		       'response'=>$env{"form.scantron_correct_Q_$question"}});
+		      		   'response'=>$env{"form.scantron_correct_Q_$question"},
+                                   'questionnum'=>$env{"form.scantron_questionnum_Q_$question"}});
 	    if ($err) { last; }
 	}
     }
@@ -5807,7 +5989,7 @@ sub remember_current_skipped {
 sub check_for_error {
     my ($r,$result)=@_;
     if ($result ne 'ok' && $result ne 'not_found' ) {
-	$r->print("An error occurred ($result) when trying to Remove the existing corrections.");
+	$r->print(&mt("An error occurred ([_1]) when trying to remove the existing corrections.",$result));
     }
 }
 
@@ -5831,25 +6013,25 @@ sub scantron_warning_screen {
 	$CODElist=$env{'form.scantron_CODElist'};
 	if ($env{'form.scantron_CODElist'} eq '') { $CODElist='<span class="LC_warning">None</span>'; }
 	$CODElist=
-	    '<tr><td><b>List of CODES to validate against:</b></td><td><tt>'.
+	    '<tr><td><b>'.&mt('List of CODES to validate against:').'</b></td><td><tt>'.
 	    $env{'form.scantron_CODElist'}.'</tt></td></tr>';
     }
-    return (<<STUFF);
+    return ('
 <p>
-<span class="LC_warning">Please double check the information
-                 below before clicking on '$button_text'</span>
+<span class="LC_warning">
+'.&mt('Please double check the information below before clicking on \'[_1]\'',&mt($button_text)).'</span>
 </p>
 <table>
-<tr><td><b>Sequence to be Graded:</b></td><td>$title</td></tr>
-<tr><td><b>Data File that will be used:</b></td><td><tt>$env{'form.scantron_selectfile'}</tt></td></tr>
-$CODElist
+<tr><td><b>'.&mt('Sequence to be Graded:').'</b></td><td>'.$title.'</td></tr>
+<tr><td><b>'.&mt('Data File that will be used:').'</b></td><td><tt>'.$env{'form.scantron_selectfile'}.'</tt></td></tr>
+'.$CODElist.'
 </table>
 <br />
-<p> If this information is correct, please click on '$button_text'.</p>
-<p> If something is incorrect, please click the 'Grading Menu' button to start over.</p>
+<p> '.&mt('If this information is correct, please click on \'[_1]\'.',&mt($button_text)).'</p>
+<p> '.&mt('If something is incorrect, please click the \'Grading Menu\' button to start over.').'</p>
 
 <br />
-STUFF
+');
 }
 
 =pod
@@ -5870,23 +6052,23 @@ sub scantron_do_warning {
     if ( $env{'form.selectpage'} eq '' ||
 	 $env{'form.scantron_selectfile'} eq '' ||
 	 $env{'form.scantron_format'} eq '' ) {
-	$r->print("<p>You have forgetten to specify some information. Please go Back and try again.</p>");
+	$r->print("<p>".&mt('You have forgetten to specify some information. Please go Back and try again.')."</p>");
 	if ( $env{'form.selectpage'} eq '') {
-	    $r->print('<p><span class="LC_error">You have not selected a Sequence to grade</span></p>');
+	    $r->print('<p><span class="LC_error">'.&mt('You have not selected a Sequence to grade').'</span></p>');
 	} 
 	if ( $env{'form.scantron_selectfile'} eq '') {
-	    $r->print('<p><span class="LC_error">You have not selected a file that contains the student\'s response data.</span></p>');
+	    $r->print('<p><span class="LC_error">'.&mt('You have not selected a file that contains the student\'s response data.').'</span></p>');
 	} 
 	if ( $env{'form.scantron_format'} eq '') {
-	    $r->print('<p><span class="LC_error">You have not selected a the format of the student\'s response data.</span></p>');
+	    $r->print('<p><span class="LC_error">'.&mt('You have not selected a the format of the student\'s response data.').'</span></p>');
 	} 
     } else {
 	my $warning=&scantron_warning_screen('Grading: Validate Records');
-	$r->print(<<STUFF);
-$warning
-<input type="submit" name="submit" value="Grading: Validate Records" />
+	$r->print('
+'.$warning.'
+<input type="submit" name="submit" value="'.&mt('Grading: Validate Records').'" />
 <input type="hidden" name="command" value="scantron_validate" />
-STUFF
+');
     }
     $r->print("</form><br />".&show_grading_menu_form($symb));
     return '';
@@ -5921,6 +6103,10 @@ SCANTRONFORM
 	   '<input type="hidden" name="scantron.bubblelines.'.$line.'" value="'.$env{"form.scantron.bubblelines.$line"}.'" />'."\n";
        $chunk .=
 	   '<input type="hidden" name="scantron.first_bubble_line.'.$line.'" value="'.$env{"form.scantron.first_bubble_line.$line"}.'" />'."\n";
+       $chunk .= 
+           '<input type="hidden" name="scantron.sub_bubblelines.'.$line.'" value="'.$env{"form.scantron.sub_bubblelines.$line"}.'" />'."\n";
+       $chunk .=
+           '<input type="hidden" name="scantron.responsetype.'.$line.'" value="'.$env{"form.scantron.responsetype.$line"}.'" />'."\n";
        $result .= $chunk;
        $line++;
    }
@@ -5965,7 +6151,7 @@ sub scantron_validate_file {
     if ($env{'form.scantron_corrections'}) {
 	&scantron_process_corrections($r);
     }
-    $r->print("<p>Gathering necessary info.</p>");$r->rflush();
+    $r->print('<p>'.&mt('Gathering necessary information.').'</p>');$r->rflush();
     #get the student pick code ready
     $r->print(&Apache::loncommon::studentbrowser_javascript());
     my $max_bubble=&scantron_get_maxbubble();
@@ -5985,7 +6171,7 @@ sub scantron_validate_file {
 
     my $stop=0;
     while (!$stop && $currentphase < scalar(@validate_phases)) {
-	$r->print("<p> Validating ".$validate_phases[$currentphase]."</p>");
+	$r->print(&mt('Validating '.$validate_phases[$currentphase]).'<br />');
 	$r->rflush();
 	my $which="scantron_validate_".$validate_phases[$currentphase];
 	{
@@ -5995,12 +6181,11 @@ sub scantron_validate_file {
     }
     if (!$stop) {
 	my $warning=&scantron_warning_screen('Start Grading');
-	$r->print(<<STUFF);
-Validation process complete.<br />
-$warning
-<input type="submit" name="submit" value="Start Grading" />
+	$r->print(&mt('Validation process complete.').'<br />
+'.$warning.'
+<input type="submit" name="submit" value="'.&mt('Start Grading').'" />
 <input type="hidden" name="command" value="scantron_process" />
-STUFF
+');
 
     } else {
 	$r->print('<input type="hidden" name="command" value="scantron_validate" />');
@@ -6008,15 +6193,19 @@ STUFF
     }
     if ($stop) {
 	if ($validate_phases[$currentphase] eq 'sequence') {
-	    $r->print('<input type="submit" name="submit" value="Ignore -> " />');
-	    $r->print(' this error <br />');
+	    $r->print('<input type="submit" name="submit" value="'.&mt('Ignore -&gt;').' " />');
+	    $r->print(' '.&mt('this error').' <br />');
 
-	    $r->print(" <p>Or click the 'Grading Menu' button to start over.</p>");
+	    $r->print(" <p>".&mt("Or click the 'Grading Menu' button to start over.")."</p>");
 	} else {
-	    $r->print('<input type="submit" name="submit" value="Continue ->" />');
-	    $r->print(' using corrected info <br />');
-	    $r->print("<input type='submit' value='Skip' name='scantron_skip_record' />");
-	    $r->print(" this scanline saving it for later.");
+            if ($validate_phases[$currentphase] eq 'doublebubble' || $validate_phases[$currentphase] eq 'missingbubbles') {
+	        $r->print('<input type="button" name="submitbutton" value="'.&mt('Continue -&gt;').'" onclick="javascript:verify_bubble_radio(this.form)" />');
+            } else {
+                $r->print('<input type="submit" name="submit" value="'.&mt('Continue -&gt;').'" />');
+            }
+	    $r->print(' '.&mt('using corrected info').' <br />');
+	    $r->print("<input type='submit' value='".&mt("Skip")."' name='scantron_skip_record' />");
+	    $r->print(" ".&mt("this scanline saving it for later."));
 	}
     }
     $r->print(" </form><br />".&show_grading_menu_form($symb));
@@ -6495,35 +6684,40 @@ sub scantron_validate_ID {
 
 sub scantron_get_correction {
     my ($r,$i,$scan_record,$scan_config,$line,$error,$arg)=@_;
-
 #FIXME in the case of a duplicated ID the previous line, probably need
 #to show both the current line and the previous one and allow skipping
 #the previous one or the current one
 
-    $r->print("<p><b>An error was detected ($error)</b>");
     if ( $$scan_record{'scantron.PaperID'} =~ /\S/) {
-	$r->print(" for PaperID <tt>".
-		  $$scan_record{'scantron.PaperID'}."</tt> \n");
+	$r->print("<p>".&mt("<b>An error was detected ($error)</b>".
+			    " for PaperID <tt>[_1]</tt>",
+			    $$scan_record{'scantron.PaperID'})."</p> \n");
     } else {
-	$r->print(" in scanline $i <pre>".
-		  $line."</pre> \n");
-    }
-    my $message="<p>The ID on the form is  <tt>".
-	$$scan_record{'scantron.ID'}."</tt><br />\n".
-	"The name on the paper is ".
-	$$scan_record{'scantron.LastName'}.",".
-	$$scan_record{'scantron.FirstName'}."</p>";
+	$r->print("<p>".&mt("<b>An error was detected ($error)</b>".
+			    " in scanline [_1] <pre>[_2]</pre>",
+			    $i,$line)."</p> \n");
+    }
+    my $message="<p>".&mt("The ID on the form is  <tt>[_1]</tt><br />".
+			  "The name on the paper is [_2],[_3]",
+			  $$scan_record{'scantron.ID'},
+			  $$scan_record{'scantron.LastName'},
+			  $$scan_record{'scantron.FirstName'})."</p>";
 
     $r->print('<input type="hidden" name="scantron_corrections" value="'.$error.'" />'."\n");
     $r->print('<input type="hidden" name="scantron_line" value="'.$i.'" />'."\n");
+                           # Array populated for doublebubble or
+    my @lines_to_correct;  # missingbubble errors to build javascript
+                           # to validate radio button checking   
+
     if ($error =~ /ID$/) {
 	if ($error eq 'incorrectID') {
-	    $r->print("The encoded ID is not in the classlist</p>\n");
+	    $r->print("<p>".&mt("The encoded ID is not in the classlist").
+		      "</p>\n");
 	} elsif ($error eq 'duplicateID') {
-	    $r->print("The encoded ID has also been used by a previous paper $arg</p>\n");
+	    $r->print("<p>".&mt("The encoded ID has also been used by a previous paper [_1]",$arg)."</p>\n");
 	}
 	$r->print($message);
-	$r->print("<p>How should I handle this? <br /> \n");
+	$r->print("<p>".&mt("How should I handle this?")." <br /> \n");
 	$r->print("\n<ul><li> ");
 	#FIXME it would be nice if this sent back the user ID and
 	#could do partial userID matches
@@ -6536,14 +6730,14 @@ sub scantron_get_correction {
 	$r->print('</li>');
     } elsif ($error =~ /CODE$/) {
 	if ($error eq 'incorrectCODE') {
-	    $r->print("</p><p>The encoded CODE is not in the list of possible CODEs</p>\n");
+	    $r->print("<p>".&mt("The encoded CODE is not in the list of possible CODEs.")."</p>\n");
 	} elsif ($error eq 'duplicateCODE') {
-	    $r->print("</p><p>The encoded CODE has also been used by a previous paper ".join(', ',@{$arg}).", and CODEs are supposed to be unique</p>\n");
+	    $r->print("<p>".&mt("The encoded CODE has also been used by a previous paper [_1], and CODEs are supposed to be unique.",join(', ',@{$arg}))."</p>\n");
 	}
-	$r->print("<p>The CODE on the form is  <tt>'".
-		  $$scan_record{'scantron.CODE'}."'</tt><br />\n");
+	$r->print("<p>".&mt("The CODE on the form is  <tt>'[_1]'</tt>",
+			    $$scan_record{'scantron.CODE'})."<br />\n");
 	$r->print($message);
-	$r->print("<p>How should I handle this? <br /> \n");
+	$r->print("<p>".&mt("How should I handle this?")." <br /> \n");
 	$r->print("\n<br /> ");
 	my $i=0;
 	if ($error eq 'incorrectCODE' 
@@ -6553,7 +6747,13 @@ sub scantron_get_correction {
 		foreach my $testcode (@{$closest}) {
 		    my $checked='';
 		    if (!$i) { $checked=' checked="checked" '; }
-		    $r->print("<label><input type='radio' name='scantron_CODE_resolution' value='use_closest_$i' $checked /> Use the similar CODE <b><tt>".$testcode."</tt></b> instead.</label><input type='hidden' name='scantron_CODE_closest_$i' value='$testcode' />");
+		    $r->print("
+   <label>
+       <input type='radio' name='scantron_CODE_resolution' value='use_closest_$i' $checked />
+       ".&mt("Use the similar CODE [_1] instead.",
+	    "<b><tt>".$testcode."</tt></b>")."
+    </label>
+    <input type='hidden' name='scantron_CODE_closest_$i' value='$testcode' />");
 		    $r->print("\n<br />");
 		    $i++;
 		}
@@ -6561,7 +6761,12 @@ sub scantron_get_correction {
 	}
 	if ($$scan_record{'scantron.CODE'}=~/\S/ ) {
 	    my $checked; if (!$i) { $checked=' checked="checked" '; }
-	    $r->print("<label><input type='radio' name='scantron_CODE_resolution' value='use_unfound' $checked /> Use the CODE <b><tt>".$$scan_record{'scantron.CODE'}."</tt></b> that is was on the paper, ignoring the error.</label>");
+	    $r->print("
+    <label>
+        <input type='radio' name='scantron_CODE_resolution' value='use_unfound' $checked />
+       ".&mt("Use the CODE [_1] that is was on the paper, ignoring the error.",
+	     "<b><tt>".$$scan_record{'scantron.CODE'}."</tt></b>")."
+    </label>");
 	    $r->print("\n<br />");
 	}
 
@@ -6583,118 +6788,274 @@ ENDSCRIPT
 	   "&curCODE=".&escape($$scan_record{'scantron.CODE'}).
 	   "&scantron_selectfile=".&escape($env{'form.scantron_selectfile'});
 	if ($env{'form.scantron_CODElist'} =~ /\S/) { 
-	    $r->print("<label><input type='radio' name='scantron_CODE_resolution' value='use_found' /> <a target='_blank' href='$href'>Select</a> a CODE from the list of all CODEs and use it.</label> Selected CODE is <input readonly='true' type='text' size='8' name='scantron_CODE_selectedvalue' onfocus=\"javascript:change_radio('use_found')\" onchange=\"javascript:change_radio('use_found')\" />");
+	    $r->print("
+    <label>
+       <input type='radio' name='scantron_CODE_resolution' value='use_found' />
+       ".&mt("[_1]Select[_2] a CODE from the list of all CODEs and use it.",
+	     "<a target='_blank' href='$href'>","</a>")."
+    </label> 
+    ".&mt("Selected CODE is [_1]","<input readonly='true' type='text' size='8' name='scantron_CODE_selectedvalue' onfocus=\"javascript:change_radio('use_found')\" onchange=\"javascript:change_radio('use_found')\" />"));
 	    $r->print("\n<br />");
 	}
-	$r->print("<label><input type='radio' name='scantron_CODE_resolution' value='use_typed' /> Use </label><input type='text' size='8' name='scantron_CODE_newvalue' onfocus=\"javascript:change_radio('use_typed')\" onkeypress=\"javascript:change_radio('use_typed')\" /> as the CODE.");
+	$r->print("
+    <label>
+       <input type='radio' name='scantron_CODE_resolution' value='use_typed' />
+       ".&mt("Use [_1] as the CODE.",
+	     "</label><input type='text' size='8' name='scantron_CODE_newvalue' onfocus=\"javascript:change_radio('use_typed')\" onkeypress=\"javascript:change_radio('use_typed')\" />"));
 	$r->print("\n<br /><br />");
     } elsif ($error eq 'doublebubble') {
-	$r->print("<p>There have been multiple bubbles scanned for a some question(s)</p>\n");
+	$r->print("<p>".&mt("There have been multiple bubbles scanned for some question(s)")."</p>\n");
+
+	# The form field scantron_questions is acutally a list of line numbers.
+	# represented by this form so:
+
+	my $line_list = &questions_to_line_list($arg);
+
 	$r->print('<input type="hidden" name="scantron_questions" value="'.
-		  join(',',@{$arg}).'" />');
+		  $line_list.'" />');
 	$r->print($message);
-	$r->print("<p>Please indicate which bubble should be used for grading</p>");
+	$r->print("<p>".&mt("Please indicate which bubble should be used for grading")."</p>");
 	foreach my $question (@{$arg}) {
-	    my $selected  = &get_response_bubbles($scan_record, $question);
-	    my @select_array = split(/:/,$selected);
-	    &scantron_bubble_selector($r,$scan_config,$question,
-				      @select_array);
+	    my @linenums = &prompt_for_corrections($r,$question,$scan_config,
+                                                   $scan_record, $error);
+            push (@lines_to_correct,@linenums);
 	}
+        $r->print(&verify_bubbles_checked(@lines_to_correct));
     } elsif ($error eq 'missingbubble') {
-	$r->print("<p>There have been <b>no</b> bubbles scanned for some question(s)</p>\n");
+	$r->print("<p>".&mt("There have been <b>no</b> bubbles scanned for some question(s)")."</p>\n");
 	$r->print($message);
-	$r->print("<p>Please indicate which bubble should be used for grading</p>");
-	$r->print("Some questions have no scanned bubbles\n");
+	$r->print("<p>".&mt("Please indicate which bubble should be used for grading.")."</p>");
+	$r->print(&mt("Some questions have no scanned bubbles.")."\n");
+
+	# The form field scantron_questions is actually a list of line numbers not
+	# a list of question numbers. Therefore:
+	#
+	
+	my $line_list = &questions_to_line_list($arg);
+
 	$r->print('<input type="hidden" name="scantron_questions" value="'.
-		  join(',',@{$arg}).'" />');
+		  $line_list.'" />');
 	foreach my $question (@{$arg}) {
-	    my $selected = &get_response_bubbles($scan_record, $question);
-	    my @select_array = split(/:/,$selected); # ought to be an array of empties.
-	    &scantron_bubble_selector($r,$scan_config,$question, @select_array);
+	    my @linenums = &prompt_for_corrections($r,$question,$scan_config,
+                                                   $scan_record, $error);
+            push (@lines_to_correct,@linenums);
 	}
+        $r->print(&verify_bubbles_checked(@lines_to_correct));
     } else {
 	$r->print("\n<ul>");
     }
     $r->print("\n</li></ul>");
+}
 
+sub verify_bubbles_checked {
+    my (@ansnums) = @_;
+    my $ansnumstr = join('","',@ansnums);
+    my $warning = &mt("A bubble or 'No bubble' selection has not been made for one or more lines.");
+    my $output = (<<ENDSCRIPT);
+<script type="text/javascript">
+function verify_bubble_radio(form) {
+    var ansnumArray = new Array ("$ansnumstr");
+    var need_bubble_count = 0;
+    for (var i=0; i<ansnumArray.length; i++) {
+        if (form.elements["scantron_correct_Q_"+ansnumArray[i]].length > 1) {
+            var bubble_picked = 0; 
+            for (var j=0; j<form.elements["scantron_correct_Q_"+ansnumArray[i]].length; j++) {
+                if (form.elements["scantron_correct_Q_"+ansnumArray[i]][j].checked == true) {
+                    bubble_picked = 1;
+                }
+            }
+            if (bubble_picked == 0) {
+                need_bubble_count ++;
+            }
+        }
+    }
+    if (need_bubble_count) {
+        alert("$warning");
+        return;
+    }
+    form.submit(); 
+}
+</script>
+ENDSCRIPT
+    return $output;
 }
 
 =pod
 
-=item scantron_bubble_selector
-  
-   Generates the html radiobuttons to correct a single bubble line
-   possibly showing the existing the selected bubbles if known
+=item  questions_to_line_list
 
- Arguments:
-    $r           - Apache request object
-    $scan_config - hash from &get_scantron_config()
-    $quest       - number of the bubble line to make a corrector for
-    @lines       - array of answer lines.
+Converts a list of questions into a string of comma separated
+line numbers in the answer sheet used by the questions.  This is
+used to fill in the scantron_questions form field.
 
-=cut
+  Arguments:
+     questions    - Reference to an array of questions.
 
-sub scantron_bubble_selector {
-    my ($r,$scan_config,$quest,@lines)=@_;
-    my $max=$$scan_config{'Qlength'};
+=cut
 
 
-    my $scmode=$$scan_config{'Qon'};
+sub questions_to_line_list {
+    my ($questions) = @_;
+    my @lines;
+
+    foreach my $item (@{$questions}) {
+        my $question = $item;
+        my ($first,$count,$last);
+        if ($item =~ /^(\d+)\.(\d+)$/) {
+            $question = $1;
+            my $subquestion = $2;
+            $first = $first_bubble_line{$question-1} + 1;
+            my @subans = split(/,/,$subdivided_bubble_lines{$question-1});
+            my $subcount = 1;
+            while ($subcount<$subquestion) {
+                $first += $subans[$subcount-1];
+                $subcount ++;
+            }
+            $count = $subans[$subquestion-1];
+        } else {
+	    $first   = $first_bubble_line{$question-1} + 1;
+	    $count   = $bubble_lines_per_response{$question-1};
+        }
+        $last = $first+$count-1;
+        push(@lines, ($first..$last));
+    }
+    return join(',', @lines);
+}
 
-    my $bubble_length = scalar(@lines);
+=pod 
 
+=item prompt_for_corrections
 
-    if ($scmode eq 'number' || $scmode eq 'letter') { $max=10; }	     
+Prompts for a potentially multiline correction to the
+user's bubbling (factors out common code from scantron_get_correction
+for multi and missing bubble cases).
 
-    my $response = $quest-1;
-    my $lines = $bubble_lines_per_response{$response};
+ Arguments:
+   $r           - Apache request object.
+   $question    - The question number to prompt for.
+   $scan_config - The scantron file configuration hash.
+   $scan_record - Reference to the hash that has the the parsed scanlines.
+   $error       - Type of error
+
+ Implicit inputs:
+   %bubble_lines_per_response   - Starting line numbers for each question.
+                                  Numbered from 0 (but question numbers are from
+                                  1.
+   %first_bubble_line           - Starting bubble line for each question.
+   %subdivided_bubble_lines     - optionresponse, matchresponse and rankresponse 
+                                  type problems render as separate sub-questions, 
+                                  in exam mode. This hash contains a 
+                                  comma-separated list of the lines per 
+                                  sub-question.
+   %responsetype_per_response   - essayresponse, formularesponse,
+                                  stringresponse, imageresponse, reactionresponse,
+                                  and organicresponse type problem parts can have
+                                  multiple lines per response if the weight
+                                  assigned exceeds 10.  In this case, only
+                                  one bubble per line is permitted, but more 
+                                  than one line might contain bubbles, e.g.
+                                  bubbling of: line 1 - J, line 2 - J, 
+                                  line 3 - B would assign 22 points.  
 
-    my $total_lines = $lines*2;
-    my @alphabet=('A'..'Z');
+=cut
 
-    $r->print("<table border='1'><tr><td rowspan='".$total_lines."'>$quest</td>");
+sub prompt_for_corrections {
+    my ($r, $question, $scan_config, $scan_record, $error) = @_;
+    my ($current_line,$lines);
+    my @linenums;
+    my $questionnum = $question;
+    if ($question =~ /^(\d+)\.(\d+)$/) {
+        $question = $1;
+        $current_line = $first_bubble_line{$question-1} + 1 ;
+        my $subquestion = $2;
+        my @subans = split(/,/,$subdivided_bubble_lines{$question-1});
+        my $subcount = 1;
+        while ($subcount<$subquestion) {
+            $current_line += $subans[$subcount-1];
+            $subcount ++;
+        }
+        $lines = $subans[$subquestion-1];
+    } else {
+        $current_line = $first_bubble_line{$question-1} + 1 ;
+        $lines        = $bubble_lines_per_response{$question-1};
+    }
+    if ($lines > 1) {
+        $r->print(&mt('The group of bubble lines below responds to a single question.').'<br />');
+        if (($responsetype_per_response{$question-1} eq 'essayresponse') ||
+            ($responsetype_per_response{$question-1} eq 'formularesponse') ||
+            ($responsetype_per_response{$question-1} eq 'stringresponse') ||
+            ($responsetype_per_response{$question-1} eq 'imageresponse') ||
+            ($responsetype_per_response{$question-1} eq 'reactionresponse') ||
+            ($responsetype_per_response{$question-1} eq 'organicresponse')) {
+            $r->print(&mt("Although this particular question type requires handgrading, the instructions for this question in the exam directed students to leave [quant,_1,line] blank on their scantron sheets.",$lines).'<br /><br />'.&mt('A non-zero score can be assigned to the student during scantron 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 />");
+        }
+    }
+    for (my $i =0; $i < $lines; $i++) {
+        my $selected = $$scan_record{"scantron.$current_line.answer"};
+	&scantron_bubble_selector($r,$scan_config,$current_line, 
+	        		  $questionnum,$error,split('', $selected));
+        push (@linenums,$current_line);
+	$current_line++;
+    }
+    if ($lines > 1) {
+	$r->print("<hr /><br />");
+    }
+    return @linenums;
+}
 
-    for (my $l = 0; $l < $lines; $l++) {
-	if ($l != 0) {
-	    $r->print('<tr>');
-	}
-	my @selected = split(//,$lines[$l]);
-	for (my $i=0;$i<$max;$i++) {
-	    $r->print("\n".'<td align="center">');
-	    if ($selected[0] eq $alphabet[$i]) { 
-		$r->print('X'); 
-		shift(@selected) ;
-	    } else { 
-		$r->print('&nbsp;'); 
-	    }
-	    $r->print('</td>');
-	    
-	}
+=pod
 
-	if ($l == 0) {
-	    my $lspan = $total_lines * 2;   #  2 table rows per bubble line.
+=item scantron_bubble_selector
+  
+   Generates the html radiobuttons to correct a single bubble line
+   possibly showing the existing the selected bubbles if known
 
-	    $r->print('<td rowspan='.$lspan.'><label><input type="radio" name="scantron_correct_Q_'.
-	      $quest.'" value="none" /> No bubble </label></td>');
-	
-	}
+ Arguments:
+    $r           - Apache request object
+    $scan_config - hash from &get_scantron_config()
+    $line        - Number of the line being displayed.
+    $questionnum - Question number (may include subquestion)
+    $error       - Type of error.
+    @selected    - Array of bubbles picked on this line.
 
-	$r->print('</tr><tr>');
+=cut
 
-	# FIXME: This may have to be a bit more clever for
-	#        multiline questions (different values e.g..).
+sub scantron_bubble_selector {
+    my ($r,$scan_config,$line,$questionnum,$error,@selected)=@_;
+    my $max=$$scan_config{'Qlength'};
 
-	for (my $i=0;$i<$max;$i++) {
-	    my $value = "$l:$i";	# Relative bubble line #: Bubble in line.
-	    $r->print("\n".
-		      '<td><label><input type="radio" name="scantron_correct_Q_'.
-		      $quest.'" value="'.$value.'" />'.$alphabet[$i]."</label></td>");
-	}
-	$r->print('</tr>');
+    my $scmode=$$scan_config{'Qon'};
+    if ($scmode eq 'number' || $scmode eq 'letter') { $max=10; }	     
 
-	    
-    }
-    $r->print('</table>');
+    my @alphabet=('A'..'Z');
+    $r->print(&Apache::loncommon::start_data_table().
+              &Apache::loncommon::start_data_table_row());
+    $r->print('<td rowspan="2" class="LC_leftcol_header">'.$line.'</td>');
+    for (my $i=0;$i<$max+1;$i++) {
+	$r->print("\n".'<td align="center">');
+	if ($selected[0] eq $alphabet[$i]) { $r->print('X'); shift(@selected) }
+	else { $r->print('&nbsp;'); }
+	$r->print('</td>');
+    }
+    $r->print(&Apache::loncommon::end_data_table_row().
+              &Apache::loncommon::start_data_table_row());
+    for (my $i=0;$i<$max;$i++) {
+	$r->print("\n".
+		  '<td><label><input type="radio" name="scantron_correct_Q_'.
+		  $line.'" value="'.$i.'" />'.$alphabet[$i]."</label></td>");
+    }
+    my $nobub_checked = ' ';
+    if ($error eq 'missingbubble') {
+        $nobub_checked = ' checked = "checked" ';
+    }
+    $r->print("\n".'<td><label><input type="radio" name="scantron_correct_Q_'.
+	      $line.'" value="none"'.$nobub_checked.'/>'.&mt('No bubble').
+              '</label>'."\n".'<input type="hidden" name="scantron_questionnum_Q_'.
+              $line.'" value="'.$questionnum.'" /></td>');
+    $r->print(&Apache::loncommon::end_data_table_row().
+              &Apache::loncommon::end_data_table());
 }
 
 =pod
@@ -6874,7 +7235,6 @@ sub scantron_validate_doublebubble {
     #get scantron line setup
     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
     my ($scanlines,$scan_data)=&scantron_getfile();
-
     &scantron_get_maxbubble();	# parse needs the bubble line array.
 
     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
@@ -6901,14 +7261,17 @@ sub scantron_validate_doublebubble {
    for what the current value of the problem counter is.
 
    Caches the results to $env{'form.scantron_maxbubble'},
-   $env{'form.scantron.bubble_lines.n'} and 
-   $env{'form.scantron.first_bubble_line.n'}
+   $env{'form.scantron.bubble_lines.n'}, 
+   $env{'form.scantron.first_bubble_line.n'} and
+   $env{"form.scantron.sub_bubblelines.n"}
    which are the total number of bubble, lines, the number of bubble
-   lines for reponse n and number of the first bubble line for response n.
+   lines for response n and number of the first bubble line for response n,
+   and a comma separated list of numbers of bubble lines for sub-questions
+   (for optionresponse, matchresponse, and rankresponse items), for response n.  
 
 =cut
 
-sub scantron_get_maxbubble {    
+sub scantron_get_maxbubble {
     if (defined($env{'form.scantron_maxbubble'}) &&
 	$env{'form.scantron_maxbubble'}) {
 	&restore_bubble_lines();
@@ -6930,37 +7293,102 @@ sub scantron_get_maxbubble {
     my $total_lines = 0;
     %bubble_lines_per_response = ();
     %first_bubble_line         = ();
-
+    %subdivided_bubble_lines   = ();
+    %responsetype_per_response = ();
   
     my $response_number = 0;
     my $bubble_line     = 0;
     foreach my $resource (@resources) {
-	my $symb = $resource->symb();
-	&Apache::lonxml::clear_bubble_lines_for_part();
-	my $result=&Apache::lonnet::ssi($resource->src(),
-					('symb' => $resource->symb()),
-					('grade_target' => 'analyze'),
-					('grade_courseid' => $cid),
-					('grade_domain' => $udom),
-					('grade_username' => $uname));
+        my $symb = $resource->symb();
+        # Need to retrieve part IDs and response IDs because essayresponse,
+        # reactionresponse and organicresponse items are not included in 
+        # $analysis{'parts'} from lonnet::ssi.  
+        my %possible_part_ids; 
+        if (ref($resource->parts()) eq 'ARRAY') { 
+            foreach my $part (@{$resource->parts()}) {
+                if (!&Apache::loncommon::check_if_partid_hidden($part,$symb,$udom,$uname)) {
+                    my @resp_ids = $resource->responseIds($part);
+                    foreach my $id (@resp_ids) {
+                        $possible_part_ids{$part.'.'.$id} = 1;
+                    }
+                }
+            }
+        }
+	my $result=&ssi_with_retries($resource->src(), $ssi_retries,
+					('symb' => $symb,
+					 'grade_target' => 'analyze',
+					 'grade_courseid' => $cid,
+					 'grade_domain' => $udom,
+					 'grade_username' => $uname));
 	my (undef, $an) =
 	    split(/_HASH_REF__/,$result, 2);
 
-	my %analysis = &Apache::lonnet::str2hash($an);
-
-
+        my @parts;
 
-	foreach my $part_id (@{$analysis{'parts'}}) {
-
-	    my $lines = $analysis{"$part_id.bubble_lines"};;
+	my %analysis = &Apache::lonnet::str2hash($an);
 
+        if (ref($analysis{'parts'}) eq 'ARRAY') {
+            foreach my $part (@{$analysis{'parts'}}) {
+                my ($id,$respid) = split(/\./,$part);
+                if (!&Apache::loncommon::check_if_partid_hidden($id,$symb,$udom,$uname)) {
+                    push(@parts,$part);
+                }
+            }
+        }
+        # Add part_ids for any essayresponse items. 
+        foreach my $part_id (keys(%possible_part_ids)) {
+            if (($analysis{$part_id.'.type'} eq 'essayresponse') ||
+                ($analysis{$part_id.'.type'} eq 'reactionresponse') ||
+                ($analysis{$part_id.'.type'} eq 'organicresponse')) {
+                if (!grep(/^\Q$part_id\E$/,@parts)) {
+                    push (@parts,$part_id);
+                }
+            }
+        }
 
+	foreach my $part_id (@parts) {
+            my $lines = $analysis{"$part_id.bubble_lines"};
 
 	    # TODO - make this a persistent hash not an array.
 
+            # optionresponse, matchresponse and rankresponse type items 
+            # render as separate sub-questions in exam mode.
+            if (($analysis{$part_id.'.type'} eq 'optionresponse') ||
+                ($analysis{$part_id.'.type'} eq 'matchresponse') ||
+                ($analysis{$part_id.'.type'} eq 'rankresponse')) {
+                my ($numbub,$numshown);
+                if ($analysis{$part_id.'.type'} eq 'optionresponse') {
+                    if (ref($analysis{$part_id.'.options'}) eq 'ARRAY') {
+                        $numbub = scalar(@{$analysis{$part_id.'.options'}});
+                    }
+                } elsif ($analysis{$part_id.'.type'} eq 'matchresponse') {
+                    if (ref($analysis{$part_id.'.items'}) eq 'ARRAY') {
+                        $numbub = scalar(@{$analysis{$part_id.'.items'}});
+                    }
+                } elsif ($analysis{$part_id.'.type'} eq 'rankresponse') {
+                    if (ref($analysis{$part_id.'.foils'}) eq 'ARRAY') {
+                        $numbub = scalar(@{$analysis{$part_id.'.foils'}});
+                    }
+                }
+                if (ref($analysis{$part_id.'.shown'}) eq 'ARRAY') {
+                    $numshown = scalar(@{$analysis{$part_id.'.shown'}});
+                }
+                my $bubbles_per_line = 10;
+                my $inner_bubble_lines = int($numshown/$bubbles_per_line);
+                if (($numshown % $bubbles_per_line) != 0) {
+                    $inner_bubble_lines++;
+                }
+                for (my $i=0; $i<$numshown; $i++) {
+                    $subdivided_bubble_lines{$response_number} .= 
+                        $inner_bubble_lines.',';
+                }
+                $subdivided_bubble_lines{$response_number} =~ s/,$//;
+            } 
 
-	    $first_bubble_line{$response_number}           = $bubble_line;
-	    $bubble_lines_per_response{$response_number}   = $lines;
+            $first_bubble_line{$response_number} = $bubble_line;
+	    $bubble_lines_per_response{$response_number} = $lines;
+            $responsetype_per_response{$response_number} = 
+                $analysis{$part_id.'.type'};
 	    $response_number++;
 
 	    $bubble_line +=  $lines;
@@ -7008,7 +7436,25 @@ sub scantron_validate_missingbubbles {
 	# Probably here's where the error is...
 
 	foreach my $missing (@{$$scan_record{'scantron.missingerror'}}) {
-	    if ($missing > $max_bubble) { next; }
+            my $lastbubble;
+            if ($missing =~ /^(\d+)\.(\d+)$/) {
+               my $question = $1;
+               my $subquestion = $2;
+               if (!defined($first_bubble_line{$question -1})) { next; }
+               my $first = $first_bubble_line{$question-1};
+               my @subans = split(/,/,$subdivided_bubble_lines{$question-1});
+               my $subcount = 1;
+               while ($subcount<$subquestion) {
+                   $first += $subans[$subcount-1];
+                   $subcount ++;
+               }
+               my $count = $subans[$subquestion-1];
+               $lastbubble = $first + $count;
+            } else {
+                if (!defined($first_bubble_line{$missing - 1})) { next; }
+                $lastbubble = $first_bubble_line{$missing - 1} + $bubble_lines_per_response{$missing - 1};
+            }
+            if ($lastbubble > $max_bubble) { next; }
 	    push(@to_correct,$missing);
 	}
 	if (@to_correct) {
@@ -7047,9 +7493,12 @@ sub scantron_validate_missingbubbles {
 
 sub scantron_process_students {
     my ($r) = @_;
+
     my (undef,undef,$sequence)=&Apache::lonnet::decode_symb($env{'form.selectpage'});
     my ($symb)=&get_symb($r);
-    if (!$symb) {return '';}
+    if (!$symb) {
+	return '';
+    }
     my $default_form_data=&defaultFormData($symb);
 
     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
@@ -7070,6 +7519,7 @@ SCANTRONFORM
     my @delayqueue;
     my %completedstudents;
     
+    my $lock=&Apache::lonnet::set_lock(&mt('Grading bubblesheet exam'));
     my $count=&get_todo_count($scanlines,$scan_data);
     my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Scantron Status',
  				    'Scantron Progress',$count,
@@ -7081,6 +7531,18 @@ SCANTRONFORM
     my ($uname,$udom,$started);
 
     &scantron_get_maxbubble();	# Need the bubble lines array to parse.
+    
+
+    # If an ssi failed in scantron_get_maxbubble, put an error message out to
+    # the user and return.
+
+    if ($ssi_error) {
+	$r->print("</form>");
+	&ssi_print_error($r);
+	$r->print(&show_grading_menu_form($symb));
+        &Apache::lonnet::remove_lock($lock);
+	return '';		# Dunno why the other returns return '' rather than just returning.
+    }
 
     while ($i<$scanlines->{'count'}) {
  	($uname,$udom)=('','');
@@ -7108,7 +7570,7 @@ SCANTRONFORM
   	($uname,$udom)=split(/:/,$uname);
 
 	&Apache::lonxml::clear_problem_counter();
-  	&Apache::lonnet::appenv(%$scan_record);
+  	&Apache::lonnet::appenv($scan_record);
 
 	if (&scantron_clear_skip($scanlines,$scan_data,$i)) {
 	    &scantron_putfile($scanlines,$scan_data);
@@ -7129,10 +7591,17 @@ SCANTRONFORM
 		$form{'CODE'}=$scan_record->{'scantron.CODE'};
 	    } else {
 		$form{'CODE'}='';
+	    } 
+	    my $result=&ssi_with_retries($resource->src(), $ssi_retries, %form);
+	    if ($ssi_error) {
+		$ssi_error = 0;	# So end of handler error message does not trigger.
+		$r->print("</form>");
+		&ssi_print_error($r);
+		$r->print(&show_grading_menu_form($symb));
+                &Apache::lonnet::remove_lock($lock);
+		return '';	# Why return ''?  Beats me.
 	    }
-	    my $result=&Apache::lonnet::ssi($resource->src(),%form);
-	    if ($result ne '') {
-	    }
+
 	    if (&Apache::loncommon::connection_aborted($r)) { last; }
 	}
 	$completedstudents{$uname}={'line'=>$line};
@@ -7142,6 +7611,7 @@ SCANTRONFORM
 	&Apache::lonnet::delenv('scantron\.');
     }
     &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+    &Apache::lonnet::remove_lock($lock);
 #    my $lasttime = &Time::HiRes::time()-$start;
 #    $r->print("<p>took $lasttime</p>");
 
@@ -7167,7 +7637,7 @@ sub scantron_upload_scantron_data {
     my $domsel=&Apache::loncommon::select_dom_form($env{'request.role.domain'},
 						   'domainid');
     my $default_form_data=&defaultFormData(&get_symb($r,1));
-    $r->print(<<UPLOAD);
+    $r->print('
 <script type="text/javascript" language="javascript">
     function checkUpload(formname) {
 	if (formname.upfile.value == "") {
@@ -7178,19 +7648,23 @@ sub scantron_upload_scantron_data {
     }
 </script>
 
-<form enctype='multipart/form-data' action='/adm/grades' name='rules' method='post'>
-$default_form_data
+<form enctype="multipart/form-data" action="/adm/grades" name="rules" method="post">
+'.$default_form_data.'
 <table>
-<tr><td>$select_link </td></tr>
-<tr><td>Course ID:   </td><td><input name='courseid' type='text' />  </td></tr>
-<tr><td>Course Name: </td><td><input name='coursename' type='text' /></td></tr>
-<tr><td>Domain:      </td><td>$domsel                                </td></tr>
-<tr><td>File to upload:</td><td><input type="file" name="upfile" size="50" /></td></tr>
+<tr><td>'.$select_link.'                             </td></tr>
+<tr><td>'.&mt('Course ID:').'     </td>
+    <td><input name="courseid"   type="text" />      </td></tr>
+<tr><td>'.&mt('Course Name:').'   </td>
+    <td><input name="coursename" type="text" />      </td></tr>
+<tr><td>'.&mt('Domain:').'        </td>
+    <td>'.$domsel.'                                  </td></tr>
+<tr><td>'.&mt('File to upload:').'</td>
+    <td><input type="file" name="upfile" size="50" /></td></tr>
 </table>
-<input name='command' value='scantronupload_save' type='hidden' />
-<input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Scantron Data" />
+<input name="command" value="scantronupload_save" type="hidden" />
+<input type="button" onClick="javascript:checkUpload(this.form);" value="'.&mt('Upload Scantron Data').'" />
 </form>
-UPLOAD
+');
     return '';
 }
 
@@ -7209,12 +7683,12 @@ sub scantron_upload_scantron_data_save {
     my $doanotherupload=
 	'<br /><form action="/adm/grades" method="post">'."\n".
 	'<input type="hidden" name="command" value="scantronupload" />'."\n".
-	'<input type="submit" name="submit" value="Do Another Upload" />'."\n".
+	'<input type="submit" name="submit" value="'.&mt('Do Another Upload').'" />'."\n".
 	'</form>'."\n";
     if (!&Apache::lonnet::allowed('usc',$env{'form.domainid'}) &&
 	!&Apache::lonnet::allowed('usc',
 			    $env{'form.domainid'}.'_'.$env{'form.courseid'})) {
-	$r->print("You are not allowed to upload Scantron data to the requested course.<br />");
+	$r->print(&mt("You are not allowed to upload Scantron data to the requested course.")."<br />");
 	if ($symb) {
 	    $r->print(&show_grading_menu_form($symb));
 	} else {
@@ -7223,7 +7697,7 @@ sub scantron_upload_scantron_data_save {
 	return '';
     }
     my %coursedata=&Apache::lonnet::coursedescription($env{'form.domainid'}.'_'.$env{'form.courseid'});
-    $r->print("Doing upload to ".$coursedata{'description'}." <br />");
+    $r->print(&mt("Doing upload to [_1]",$coursedata{'description'})." <br />");
     my $fname=$env{'form.upfile.filename'};
     #FIXME
     #copied from lonnet::userfileupload()
@@ -7241,13 +7715,18 @@ sub scantron_upload_scantron_data_save {
     my $uploadedfile=$fname;
     $fname='scantron_orig_'.$fname;
     if (length($env{'form.upfile'}) < 2) {
-	$r->print("<span class=\"LC_error\">Error:</span> The file you attempted to upload, <tt>".&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"')."</tt>, contained no information. Please check that you entered the correct filename.");
+	$r->print(&mt("<span class=\"LC_error\">Error:</span> The file you attempted to upload, [_1]  contained no information. Please check that you entered the correct filename.",'<span class="LC_filename">'.&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"')."</span>"));
     } else {
 	my $result=&Apache::lonnet::finishuserfileupload($env{'form.courseid'},$env{'form.domainid'},'upfile',$fname);
 	if ($result =~ m|^/uploaded/|) {
-	    $r->print("<span class=\"LC_success\">Success:</span> Successfully uploaded ".(length($env{'form.upfile'})-1)." bytes of data into location <tt>".$result."</tt>");
+	    $r->print(&mt("<span class=\"LC_success\">Success:</span> Successfully uploaded [_1] bytes of data into location [_2]",
+			  (length($env{'form.upfile'})-1),
+			  '<span class="LC_filename">'.$result."</span>"));
 	} else {
-	    $r->print("<span class=\"LC_error\">Error:</span> An error (".$result.") occurred when attempting to upload the file, <tt>".&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"')."</tt>");
+	    $r->print(&mt("<span class=\"LC_error\">Error:</span> An error ([_1]) occurred when attempting to upload the file, [_2]",
+			  $result,
+			  '<span class="LC_filename">'.&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"')."</span>"));
+
 	}
     }
     if ($symb) {
@@ -7291,11 +7770,11 @@ sub scantron_download_scantron_data {
     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
     my $file=$env{'form.scantron_selectfile'};
     if (! &valid_file($file)) {
-	$r->print(<<ERROR);
+	$r->print('
 	<p>
-	    The requested file name was invalid.
+	    '.&mt('The requested file name was invalid.').'
         </p>
-ERROR
+');
 	$r->print(&show_grading_menu_form(&get_symb($r,1)));
 	return;
     }
@@ -7305,17 +7784,20 @@ ERROR
     &Apache::lonnet::allowuploaded('/adm/grades',$orig);
     &Apache::lonnet::allowuploaded('/adm/grades',$corrected);
     &Apache::lonnet::allowuploaded('/adm/grades',$skipped);
-    $r->print(<<DOWNLOAD);
+    $r->print('
     <p>
-	<a href="$orig">Original</a> file as uploaded by the scantron office.
+	'.&mt('[_1]Original[_2] file as uploaded by the scantron office.',
+	      '<a href="'.$orig.'">','</a>').'
     </p>
     <p>
-	<a href="$corrected">Corrections</a>, a file of corrected records that were used in grading.
+	'.&mt('[_1]Corrections[_2], a file of corrected records that were used in grading.',
+	      '<a href="'.$corrected.'">','</a>').'
     </p>
     <p>
-	<a href="$skipped">Skipped</a>, a file of records that were skipped.
+	'.&mt('[_1]Skipped[_2], a file of records that were skipped.',
+	      '<a href="'.$skipped.'">','</a>').'
     </p>
-DOWNLOAD
+');
     $r->print(&show_grading_menu_form(&get_symb($r,1)));
     return '';
 }
@@ -7422,14 +7904,12 @@ sub grading_menu {
                 $menudata->{'url'}.'" >'.
                 $menudata->{'name'}."</a></h3>\n";
         } else {
-            $Str .='    <h3><input type="button" value="'.&mt('Verify Receipt').'" '.
+            $Str .='<hr /><input type="button" value="'.&mt('Verify Receipt').'" '.
                 $menudata->{'jscript'}.
                 ' onClick="javascript:checkChoice(document.forms.gradingMenu,\'5\',\'verify\')" '.
-                ' /></h3>';
-            $Str .= ('&nbsp;'x8).
-		&mt(' receipt: [_1]',
-		    &Apache::lonnet::recprefix($env{'request.course.id'}).
-                    '-<input type="text" name="receipt" size="4" onChange="javascript:checkReceiptNo(this.form,\'OK\')" />');
+                ' /> '.
+		&Apache::lonnet::recprefix($env{'request.course.id'}).
+                    '-<input type="text" name="receipt" size="4" onChange="javascript:checkReceiptNo(this.form,\'OK\')" />';
         }
         $Str .= '    '.('&nbsp;'x8).$menudata->{'short_description'}.
             "\n";
@@ -7636,6 +8116,7 @@ GRADINGMENUJS
       </div>
     </div>
   </form>';
+    $result .= &show_grading_menu_form($symb);
     return $result;
 }
 
@@ -7914,8 +8395,6 @@ ENDHEADER
     }
     $result.='<br />'.&mt('Found [_1] question(s)',$number).'<br />'.
              '<input type="hidden" name="number" value="'.$number.'" />'.
-             &mt('Awarding [_1] percent for corrion(s)',$number).'<br />'.
-             '<input type="hidden" name="number" value="'.$number.'" />'.
              &mt('Awarding [_1] percent for correct and [_2] percent for incorrect responses',
                  $env{'form.pcorrect'},$env{'form.pincorrect'}).
              '<br />';
@@ -8163,7 +8642,7 @@ sub handler {
 	&Apache::lonnet::logthis("grades got multiple commands ".join(':',@commands));
     }
 
-
+    $ssi_error = 0;
     $request->print(&Apache::loncommon::start_page('Grading'));
     if ($symb eq '' && $command eq '') {
 	if ($env{'user.adv'}) {
@@ -8176,7 +8655,7 @@ sub handler {
 		if ($tsymb) {
 		    my ($map,$id,$url)=&Apache::lonnet::decode_symb($tsymb);
 		    if (&Apache::lonnet::allowed('mgr',$tcrsid)) {
-			$request->print(&Apache::lonnet::ssi_body('/res/'.$url,
+			$request->print(&ssi_with_retries('/res/'.$url, $ssi_retries,
 					  ('grade_username' => $tuname,
 					   'grade_domain' => $tudom,
 					   'grade_courseid' => $tcrsid,
@@ -8263,6 +8742,9 @@ sub handler {
 	    $request->print("Access Denied ($command)");
 	}
     }
+    if ($ssi_error) {
+	&ssi_print_error($request);
+    }
     $request->print(&Apache::loncommon::end_page());
     &reset_caches();
     return '';