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Diff for /loncom/interface/lonprintout.pm between versions 1.590 and 1.599

version 1.590, 2011/06/06 10:53:09 version 1.599, 2011/10/10 15:34:32
Line 123  sub create_incomplete_folder_selstud_hel Line 123  sub create_incomplete_folder_selstud_hel
   
     my $format_chooser = &generate_format_selector($helper,      my $format_chooser = &generate_format_selector($helper,
  'Format of the print job',   'Format of the print job',
  '','CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); # end state.   'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); # end state.
   
     return $resource_chooser . $student_chooser . $format_chooser;      return $resource_chooser . $student_chooser . $format_chooser;
 }    }  
Line 172  sub create_incomplete_course_helper { Line 172  sub create_incomplete_course_helper {
   
     my $format = &generate_format_selector($helper,      my $format = &generate_format_selector($helper,
    'Format of the print job',     'Format of the print job',
    '',  
    'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); # end state.     'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); # end state.
   
     return $resource_chooser . $people_chooser . $format;      return $resource_chooser . $people_chooser . $format;
Line 356  sub generate_code_selector { Line 355  sub generate_code_selector {
     <message></td><td></message>      <message></td><td></message>
     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />      <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
     <message></td></tr><tr><td></message>      <message></td></tr><tr><td></message>
     <message><b>Bubble sheet type:</b></message>      <message><b>Bubblesheet type:</b></message>
     <message></td><td></message>      <message></td><td></message>
     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">      <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
     $bubble_types      $bubble_types
Line 395  CHOOSE_ANON1 Line 394  CHOOSE_ANON1
    return $result;     return $result;
 }  }
   
   #  Returns the XML for choosing how assignments are to be formatted 
   #  that text must still be parsed by the helper xml parser.
   # Parameters: 3 (required)
   
   #   helper       - The helper; $helper->{'VARS'}->{'PRINT_TYPE'} used
   #                  to check if splitting PDFs by section can be offered.
   #   title        - Title for the current state. 
   #   this_state   - State name of the chooser.
   
 sub generate_format_selector {  sub generate_format_selector {
     my ($helper,$title,$nextstate, $thisstate) = @_;      my ($helper,$title,$this_state) = @_;
     my $secpdfoption;      my $secpdfoption;
     my $state = 'PRINT_FORMATTING';  
     if ($thisstate) {  
  $state = $thisstate;  
     }  
     unless (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||      unless (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
             ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
             ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) {              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) {
         $secpdfoption =  '<choice computer="sections">Each PDF contains exactly one section</choice>';          $secpdfoption =  '<choice computer="sections">Each PDF contains exactly one section</choice>';
     }      }
     return <<RESOURCE_SELECTOR;      return <<RESOURCE_SELECTOR;
     <state name="$state" title="$title">      <state name="$this_state" title="$title">
     $nextstate  
     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>      <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
     <choices variable="EMPTY_PAGES">      <choices variable="EMPTY_PAGES">
       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>        <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
Line 432  RESOURCE_SELECTOR Line 435  RESOURCE_SELECTOR
   
 #-----------------------------------------------------------------------  #-----------------------------------------------------------------------
   
   # Determine if a resource is incomplete given the map:
   # Parameters:
   #   $username - Name of user for whom we are checking.
   #   $domain   - Domain of user we are checking.
   #   $map - map name.
   # Returns:
   #     0 - map is not incomplete.
   #     1 - map is incomplete.
   #
   sub incomplete {
       my ($username, $domain, $map) = @_;
   
   
       my $navmap = Apache::lonnavmaps::navmap->new($username, $domain);
       
   
       if (defined($navmap)) {
    my $res = $navmap->getResourceByUrl($map);
    my $result = $res->is_incomplete();
    return $result;
       } else {
    return 1;
       }
   }
   #
   #  When printing for students, the resoures and order of the
   #  resources may need to be altered if there are folders with
   #  random selectiopn or random ordering (or both) enabled.
   #  This sub computes the set of resources to print for a student
   #  modified both by random ordering and selection and filtered
   #  to only those that are in the original set selcted to be printed.
   #
   # Parameters:
   #   $helper - The helper we need $helper->{'VARS'}->{'symb'}
   #            to construct the navmap and the iteration.
   #   $seq   - The original set of resources to print 
   #            (really an array of resource names
   #   $who   - Student/domain for whome the sequence will be generated.
   #
   # Implicit inputs:
   #   $
   # Returns:
   #   reference to an array of resources that can be passed to
   #   print_resources.
   # 
   sub master_seq_to_person_seq {
       my ($helper, $seq, $who) = @_;
   
   
       my ($username, $userdomain, $usersection) = split(/:/, $who);
   
       # Toss the sequence up into a hash so that we have O(1) lookup time.
       # on the items that come out of the user's list of resources.
       #
       
       my %seq_hash = map {$_  => 1} @$seq;
       my @output_seq;
       
       my ($map, $id, $url) = &Apache::lonnet::decode_symb($helper->{VARS}->{'symb'});
       my $navmap           = Apache::lonnavmaps::navmap->new($username, $userdomain);
       my $iterator         = $navmap->getIterator($navmap->firstResource(),
    $navmap->finishResource(),
    {}, 1);
       my %nonResourceItems = (
    $iterator->BEGIN_MAP    => 1,
    $iterator->BEGIN_BRANCH => 1,
    $iterator->END_BRANCH   => 1,
    $iterator->END_MAP      => 1,
    $iterator->FORWARD      => 1,
    $iterator->BACKWARD     => 1
   
       ); # These items are not resources but appear in the midst of iteration.
   
       #  Iterate on the resource..select the items that are randomly selected
       #  and that are in the seq_has.  Presumably the iterator will take care
       # of the random ordering part of the deal.
       #
       my $curres;
       while ($curres = $iterator->next()) {
    #
    #  Only process resources..that re not removed by randomout...
    #
    if (! exists $nonResourceItems{$curres} && ! $curres->randomout()) {
       my $symb = $curres->symb();
       if (exists $seq_hash{$symb}) {
    push(@output_seq, $symb);
       }
    }
       }
      
   
       return \@output_seq; # for now.
       
   }
   
   
 # Fetch the contents of a resource, uninterpreted.  # Fetch the contents of a resource, uninterpreted.
 # This is used here to fetch a latex file to be included  # This is used here to fetch a latex file to be included
Line 606  sub ssi_with_retries { Line 704  sub ssi_with_retries {
  $ssi_last_error_resource = $resource;   $ssi_last_error_resource = $resource;
  $ssi_last_error          = $response->code . " " . $response->message;   $ssi_last_error          = $response->code . " " . $response->message;
         $content='\section*{!!! An error occurred !!!}';          $content='\section*{!!! An error occurred !!!}';
  &Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error");  
     }      }
   
     return $content;      return $content;
Line 622  sub get_student_view_with_retries { Line 719  sub get_student_view_with_retries {
         $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;          $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
         $ssi_last_error          = $response->code . " " . $response->message;          $ssi_last_error          = $response->code . " " . $response->message;
         $content='\section*{!!! An error occurred !!!}';          $content='\section*{!!! An error occurred !!!}';
         &Apache::lonnet::logthis("Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain");  
     }      }
     return $content;      return $content;
   
Line 2222  sub print_construction_sequence { Line 2318  sub print_construction_sequence {
 #BZ 5209  #BZ 5209
 #   2        map_incomplete_problems_seq Print incomplete problems from the current  #   2        map_incomplete_problems_seq Print incomplete problems from the current
 #            folder in student context.  #            folder in student context.
 #   101      map_incomplete_problems_people_seq Print incomplete problems from the  #   5      map_incomplete_problems_people_seq Print incomplete problems from the
 #            current folder in privileged context.  #            current folder in privileged context.
 #   102      incomplete_problems_selpeople_course Print incomplete problems for  #    5      incomplete_problems_selpeople_course Print incomplete problems for
 #            selected people from the entire course.  #            selected people from the entire course.
 #  #
 #   Item 101 has much the same processing as 8,  #   Item 101 has much the same processing as 8,
 #   Item 102 has much the same processing as 8.  
 #  #
 #  Differences:  Item 101, 102 require per-student filtering of the resource  #  Differences:  Item 101, 102 require per-student filtering of the resource
 #  set so that only the incomplete resources are printed.  #  set so that only the incomplete resources are printed.
Line 2724  ENDPART Line 2819  ENDPART
      } elsif (($print_type eq 'problems_for_students')           ||       } elsif (($print_type eq 'problems_for_students')           ||
       ($print_type eq 'problems_for_students_from_page') ||        ($print_type eq 'problems_for_students_from_page') ||
       ($print_type eq 'all_problems_students')           ||        ($print_type eq 'all_problems_students')           ||
       ($print_type eq 'resources_for_students')){        ($print_type eq 'resources_for_students')          ||
         ($print_type eq 'incomplete_problems_selpeople_course') ||
         ($print_type eq 'map_incomplete_problems_people_seq')){
   
   
      #-- prints assignments for whole class or for selected students         #-- prints assignments for whole class or for selected students  
  my $type;   my $type;
  if (($print_type eq 'problems_for_students')           ||   if (($print_type eq 'problems_for_students')           ||
      ($print_type eq 'problems_for_students_from_page') ||       ($print_type eq 'problems_for_students_from_page') ||
      ($print_type eq 'all_problems_students') ) {       ($print_type eq 'all_problems_students')           ||
        ($print_type eq 'incomplete_problems_selpeople_course') ||
        ($print_type eq 'map_incomplete_problems_people_seq')) {
      $selectionmade=5;       $selectionmade=5;
      $type='problems';       $type='problems';
  } elsif ($print_type eq 'resources_for_students') {   } elsif ($print_type eq 'resources_for_students') {
Line 2788  ENDPART Line 2887  ENDPART
  my $i = 0;   my $i = 0;
  my $last_section = (split(/:/,$students[0]))[2];   my $last_section = (split(/:/,$students[0]))[2];
  foreach my $person (@students) {   foreach my $person (@students) {
   
              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";               my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
      if (-e $duefile) {       if (-e $duefile) {
  my $temp_file = Apache::File->new('>>'.$duefile);   my $temp_file = Apache::File->new('>>'.$duefile);
Line 2804  ENDPART Line 2902  ENDPART
      } else {       } else {
  $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});   $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
      }       }
        my $actual_seq = master_seq_to_person_seq($helper, \@master_seq, $person);
      my ($output,$fullname, $printed)=&print_resources($r,$helper,       my ($output,$fullname, $printed)=&print_resources($r,$helper,
      $person,$type,       $person,$type,
      \%moreenv,\@master_seq,       \%moreenv,  $actual_seq,
      $flag_latex_header_remove,       $flag_latex_header_remove,
      $LaTeXwidth);       $LaTeXwidth);
      $resources_printed .= ":";       $resources_printed .= ":";
Line 2832  ENDPART Line 2931  ENDPART
   
  my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};   my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
          my @lines = &Apache::grades::get_scantronformat_file();           my @lines = &Apache::grades::get_scantronformat_file();
  my ($code_type,$code_length)=('letter',6);   my ($code_type,$code_length,$bubbles_per_row)=('letter',6,10);
  foreach my $line (@lines) {   foreach my $line (@lines) {
      my ($name,$type,$length) = (split(/:/,$line))[0,2,4];               chomp($line);
        my ($name,$type,$length,$bubbles_per_item) = 
                    (split(/:/,$line))[0,2,4,17];
      if ($name eq $code_option) {       if ($name eq $code_option) {
  $code_length=$length;   $code_length=$length;
  if ($type eq 'number') { $code_type = 'number'; }   if ($type eq 'number') { $code_type = 'number'; }
                    chomp($bubbles_per_item); 
                    if (($bubbles_per_item ne '') && ($bubbles_per_item > 0)) {
                        $bubbles_per_row = $bubbles_per_item; 
                    }
      }       }
  }   }
  my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));   my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
  $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};   $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
          $moreenv{'instructor_comments'}='hide';           $moreenv{'instructor_comments'}='hide';
            $moreenv{'bubbles_per_row'} = $bubbles_per_row;
  my $seed=time+($$<<16)+($$);   my $seed=time+($$<<16)+($$);
  my @allcodes;   my @allcodes;
  if ($old_name) {   if ($old_name) {
Line 3159  sub print_resources { Line 3265  sub print_resources {
     my ($username,$userdomain,$usersection) = split /:/,$person;      my ($username,$userdomain,$usersection) = split /:/,$person;
     my $fullname = &get_name($username,$userdomain);      my $fullname = &get_name($username,$userdomain);
     my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace.      my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace.
     if ($person =~ 'anon') {      #
       # Figure out if we need to filter the output by
       # the incomplete problems for that person
       #
       my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'};
       my $print_incomplete = 0;
       if (($print_type eq 'map_incomplete_problems_people_seq')   ||
    ($print_type eq 'incomplete_problems_selpeople_course')) {
    $print_incomplete = 1;
       }
       if ($person eq 'anonymous') {
  $namepostfix .="Name: ";   $namepostfix .="Name: ";
  $fullname = "CODE - ".$moreenv->{'CODE'};   $fullname = "CODE - ".$moreenv->{'CODE'};
     }      }
Line 3168  sub print_resources { Line 3284  sub print_resources {
     #      #
   
     my $i           = 0;      my $i           = 0;
       my $actually_printed = 0; # Count of resources printed.
     #goes through all resources, checks if they are available for       #goes through all resources, checks if they are available for 
     #current student, and produces output         #current student, and produces output   
   
Line 3184  sub print_resources { Line 3301  sub print_resources {
     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the      #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.      #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
     #      #
   
     my $syllabus_first = 0;      my $syllabus_first = 0;
     foreach my $curresline (@{$master_seq})  {      foreach my $curresline (@{$master_seq})  {
  if (defined $page_breaks{$curresline}) {   if (defined $page_breaks{$curresline}) {
Line 3196  sub print_resources { Line 3314  sub print_resources {
  if ( !($type eq 'problems' &&    if ( !($type eq 'problems' && 
        ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) ) {         ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) ) {
     my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);      my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
       if ($print_incomplete && !&incomplete($username, $userdomain, $res_url)) {
    next;
       }
       $actually_printed++; # we're going to print one.
     if (&Apache::lonnet::allowed('bre',$res_url)) {      if (&Apache::lonnet::allowed('bre',$res_url)) {
  if ($res_url!~m|^ext/|   if ($res_url!~m|^ext/|
     && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {      && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
Line 3209  sub print_resources { Line 3331  sub print_resources {
                                 $rendered = &print_latex_header().$rendered;                                  $rendered = &print_latex_header().$rendered;
                             }                              }
                         }                          }
   ;
                         if ($remove_latex_header eq 'YES') {                          if ($remove_latex_header eq 'YES') {
                             $rendered = &latex_header_footer_remove($rendered);                              $rendered = &latex_header_footer_remove($rendered);
                         } else {                          } else {
Line 3220  sub print_resources { Line 3343  sub print_resources {
  #   Use a copy of the hash so we don't pervert it on future loop passes.   #   Use a copy of the hash so we don't pervert it on future loop passes.
  my %answerenv = %{$moreenv};   my %answerenv = %{$moreenv};
  $answerenv{'answer_output_mode'}='tex';   $answerenv{'answer_output_mode'}='tex';
   
   
  $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};   $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
   
  &Apache::lonxml::restore_problem_counter();   &Apache::lonxml::restore_problem_counter();
Line 3294  sub print_resources { Line 3419  sub print_resources {
  }   }
  if (&Apache::loncommon::connection_aborted($r)) { last; }   if (&Apache::loncommon::connection_aborted($r)) { last; }
     }      }
       # If we are printing incomplete it's possible we don't have
       # anything to print.  The print subsystem is not so good at handling
       # that so we're going to generate a stub that says there are no
       # incomplete resources for the person.
       #
   
       if ($actually_printed == 0) {
    $current_output  = &encapsulate_minipage("\\vskip -10mm \nNo incomplete resources\n \\vskip 100 mm { }\n");
    if ($remove_latex_header eq "NO") {
       $current_output = &print_latex_header() . $current_output;
    } else {
       $current_output = &latex_header_footer_remove($current_output);
    }
       }
   
     if ($syllabus_first) {      if ($syllabus_first) {
         $current_output =~ s/\\\\ Last updated:/Last updated:/          $current_output =~ s/\\\\ Last updated:/Last updated:/
Line 3718  sub printHelper { Line 3857  sub printHelper {
  }   }
   
  push(@{$printChoices},   push(@{$printChoices},
      [&mt('Selected Incomplete  [_1]Problems[_2] from folder [_3]' . $textSuffix,       [&mt('Selected  [_1]Incomplete Problems[_2] from folder [_3]' . $textSuffix,
   '<b>', '</b>',    '<b>', '</b>',
   '<b><i>'. $sequenceTitle . '</b></i>'),    '<b><i>'. $sequenceTitle . '</b></i>'),
       $printSelector,        $printSelector,
Line 3765  sub printHelper { Line 3904  sub printHelper {
  # BZ 5209 - incomplete problems from entire course:   # BZ 5209 - incomplete problems from entire course:
   
  push(@{$printChoices},   push(@{$printChoices},
      [&mtn('Selected incomplete <b>Problems</b> from <b>entire course</b> for selected people'),       [&mtn('Selected <b>Incomplete Problems</b> from <b>entire course</b> for selected people'),
       'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']);        'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']);
  my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states.   my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states.
   
Line 3838  ALL_PROBLEMS Line 3977  ALL_PROBLEMS
  }   }
   
  my $randomly_ordered_warning =    my $randomly_ordered_warning = 
     &get_randomly_ordered_warning($helper,$map);              &get_randomly_ordered_warning($helper, $map);
   
  # resource_selector will hold a few states that:   # resource_selector will hold a few states that:
  #   - Allow resources to be selected for printing.   #   - Allow resources to be selected for printing.
Line 3857  ALL_PROBLEMS Line 3996  ALL_PROBLEMS
   $map,    $map,
   $isProblem, '', $symbFilter,    $isProblem, '', $symbFilter,
   $start_new_option);    $start_new_option);
         my $secpdfoption;  
         unless (($helper->{'VARS'} eq 'problems_for_anon')     ||  
                 ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||  
                 ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) {  
             $secpdfoption =  '<choice computer="sections">Each PDF contains exactly one section</choice>';  
         }  
  $resource_selector .=  &generate_format_selector($helper,   $resource_selector .=  &generate_format_selector($helper,
                                                          'How should results be printed?').                                                           'How should results be printed?',
                                                            'PRINT_FORMATTING').
                                &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',                                 &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
  'Select Problem(s) to print',   'Select Problem(s) to print',
  "multichoice='1' addstatus='1' closeallpages ='1'",   "multichoice='1' addstatus='1' closeallpages ='1'",
Line 3998  ALL_PROBLEMS Line 4132  ALL_PROBLEMS
     </state>      </state>
 RESOURCE_SELECTOR  RESOURCE_SELECTOR
   
         my $nextstate = '<nextstate>NUMBER_PER_PDF</nextstate>';   
         $resource_selector .= &generate_format_selector($helper,          $resource_selector .= &generate_format_selector($helper,
                                                         'Format of the print job',                                                          'Format of the print job',
                                                         $nextstate);                                                          'PRINT_FORMATTING');
  &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);   &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">    <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
     <choices variable='student_sort'>      <choices variable='student_sort'>
Line 4042  CHOOSE_STUDENTS1 Line 4175  CHOOSE_STUDENTS1
     <message></td><td></message>      <message></td><td></message>
     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />      <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
     <message></td></tr><tr><td></message>      <message></td></tr><tr><td></message>
     <message><b>Bubble sheet type:</b></message>      <message><b>Bubblesheet type:</b></message>
     <message></td><td></message>      <message></td><td></message>
     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">      <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
     $codechoice      $codechoice
Removed from v.1.590  
changed lines
  Added in v.1.599

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