--- loncom/interface/domainprefs.pm	2016/09/16 23:53:01	1.160.6.70
+++ loncom/interface/domainprefs.pm	2015/06/15 20:11:56	1.266
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: domainprefs.pm,v 1.160.6.70 2016/09/16 23:53:01 raeburn Exp $
+# $Id: domainprefs.pm,v 1.266 2015/06/15 20:11:56 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -213,15 +213,15 @@ sub handler {
                 'quotas','autoenroll','autoupdate','autocreate',
                 'directorysrch','usercreation','usermodification',
                 'contacts','defaults','scantron','coursecategories',
-                'serverstatuses','requestcourses','coursedefaults',
-                'usersessions','loadbalancing','requestauthor',
-                'selfenrollment','inststatus'],$dom);
+                'serverstatuses','requestcourses','helpsettings',
+                'coursedefaults','usersessions','loadbalancing',
+                'requestauthor','selfenrollment','inststatus'],$dom);
     my @prefs_order = ('rolecolors','login','defaults','quotas','autoenroll',
                        'autoupdate','autocreate','directorysrch','contacts',
                        'usercreation','selfcreation','usermodification','scantron',
                        'requestcourses','requestauthor','coursecategories',
-                       'serverstatuses','coursedefaults','selfenrollment',
-                       'usersessions');
+                       'serverstatuses','helpsettings',
+                       'coursedefaults','selfenrollment','usersessions');
     my %existing;
     if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
         %existing = %{$domconfig{'loadbalancing'}};
@@ -411,6 +411,14 @@ sub handler {
                   print => \&print_serverstatuses,
                   modify => \&modify_serverstatuses,
                  },
+        'helpsettings' =>
+                 {text   => 'Help page settings',
+                  help   => 'Domain_Configuration_Help_Settings',
+                  header => [{col1 => 'Help Settings (logged-in users)',
+                              col2 => 'Value'}],
+                  print  => \&print_helpsettings,
+                  modify => \&modify_helpsettings,
+                 },
         'coursedefaults' => 
                  {text => 'Course/Community defaults',
                   help => 'Domain_Configuration_Course_Defaults',
@@ -433,6 +441,14 @@ sub handler {
                   print => \&print_selfenrollment,
                   modify => \&modify_selfenrollment,
                  },
+        'privacy' => 
+                 {text   => 'User Privacy',
+                  help   => 'Domain_Configuration_User_Privacy',
+                  header => [{col1 => 'Setting',
+                              col2 => 'Value',}],
+                  print => \&print_privacy,
+                  modify => \&modify_privacy,
+                 },
         'usersessions' =>
                  {text  => 'User session hosting/offloading',
                   help  => 'Domain_Configuration_User_Sessions',
@@ -619,6 +635,8 @@ sub process_changes {
         $output = &modify_quotas($r,$dom,$action,$lastactref,%domconfig);
     } elsif ($action eq 'requestauthor') {
         $output = &modify_quotas($r,$dom,$action,$lastactref,%domconfig);
+    } elsif ($action eq 'helpsettings') {
+        $output = &modify_helpsettings($r,$dom,$confname,%domconfig);
     } elsif ($action eq 'coursedefaults') {
         $output = &modify_coursedefaults($dom,$lastactref,%domconfig);
     } elsif ($action eq 'selfenrollment') {
@@ -2398,7 +2416,7 @@ ENDSCRIPT
 sub print_autoenroll {
     my ($dom,$settings,$rowtotal) = @_;
     my $autorun = &Apache::lonnet::auto_run(undef,$dom),
-    my ($defdom,$runon,$runoff,$coownerson,$coownersoff,$failsafe);
+    my ($defdom,$runon,$runoff,$coownerson,$coownersoff);
     if (ref($settings) eq 'HASH') {
         if (exists($settings->{'run'})) {
             if ($settings->{'run'} eq '0') {
@@ -2432,9 +2450,6 @@ sub print_autoenroll {
         if (exists($settings->{'sender_domain'})) {
             $defdom = $settings->{'sender_domain'};
         }
-        if (exists($settings->{'autofailsafe'})) {
-            $failsafe = $settings->{'autofailsafe'};
-        }
     } else {
         if ($autorun) {
             $runon = ' checked="checked" ';
@@ -2470,12 +2485,8 @@ sub print_autoenroll {
                   $coownerson.' value="1" />'.&mt('Yes').'</label>&nbsp;'.
                   '<label><input type="radio" name="autoassign_coowners"'.
                   $coownersoff.' value="0" />'.&mt('No').'</label></span></td>'.
-                  '</tr><tr>'.
-                  '<td>'.&mt('Failsafe for no drops when institutional data missing').'</td>'.
-                  '<td class="LC_right_item"><span class="LC_nobreak">'.
-                  '<input type="text" name="autoenroll_failsafe"'.
-                  ' value="'.$failsafe.'" size="4" /></td></tr>';
-    $$rowtotal += 4;
+                  '</tr>';
+    $$rowtotal += 3;
     return $datatable;
 }
 
@@ -2873,7 +2884,7 @@ sub radiobutton_prefs {
         } else {
             $datatable .= '<td class="LC_right_item">';
         }
-        $datatable .=
+        $datatable .= 
             '<span class="LC_nobreak">'.
             '<label><input type="radio" name="'.
             $item.'" '.$checkedon{$item}.' value="1"'.$onclick.' />'.&mt('Yes').
@@ -2892,28 +2903,28 @@ sub print_coursedefaults {
     my ($css_class,$datatable,%checkedon,%checkedoff,%defaultchecked,@toggles);
     my $itemcount = 1;
     my %choices =  &Apache::lonlocal::texthash (
+        canuse_pdfforms      => 'Course/Community users can create/upload PDF forms',
         uploadquota          => 'Default quota for files uploaded directly to course/community using Course Editor (MB)',
         anonsurvey_threshold => 'Responder count needed before showing submissions for anonymous surveys',
         coursecredits        => 'Credits can be specified for courses',
         uselcmath            => 'Math preview uses LON-CAPA previewer (javascript) in place of DragMath (Java)',
         usejsme              => 'Molecule editor uses JSME (HTML5) in place of JME (Java)',
         postsubmit           => 'Disable submit button/keypress following student submission',
-        canclone             => "People who may clone a course (besides course's owner and coordinators)",
-        mysqltables          => 'Lifetime (s) of "Temporary" MySQL tables (student performance data) on homeserver',
+        canclone             => "People who may clone a course (besides course's owner and coordinators)",     
     );
     my %staticdefaults = (
                            anonsurvey_threshold => 10,
                            uploadquota          => 500,
                            postsubmit           => 60,
-                           mysqltables          => 172800,
                          );
     if ($position eq 'top') {
         %defaultchecked = (
+                            'canuse_pdfforms' => 'off',
                             'uselcmath'       => 'on',
                             'usejsme'         => 'on',
-                            'canclone'        => 'none',
+                            'canclone'        => 'none', 
                           );
-        @toggles = ('uselcmath','usejsme');
+        @toggles = ('canuse_pdfforms','uselcmath','usejsme');
         ($datatable,$itemcount) = &radiobutton_prefs($settings,\@toggles,\%defaultchecked,
                                                      \%choices,$itemcount);
         $css_class = $itemcount%2?' class="LC_odd_row"':'';
@@ -2950,7 +2961,7 @@ sub print_coursedefaults {
                     $currcanclone = $settings->{'canclone'};
                 }
             }
-        }
+        } 
         foreach my $option (@cloneoptions) {
             my ($checked,$additional);
             if ($currcanclone eq $option) {
@@ -2989,7 +3000,7 @@ sub print_coursedefaults {
         $itemcount ++;
     } else {
         $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
-        my ($currdefresponder,%defcredits,%curruploadquota,%deftimeout,%currmysql));
+        my ($currdefresponder,%defcredits,%curruploadquota,%deftimeout);
         my $currusecredits = 0;
         my $postsubmitclient = 1;
         my @types = ('official','unofficial','community','textbook');
@@ -3019,7 +3030,7 @@ sub print_coursedefaults {
                     foreach my $type (@types) {
                         if (ref($settings->{'postsubmit'}->{'timeout'}) eq 'HASH') {
                             if ($settings->{'postsubmit'}->{'timeout'}->{$type} =~ /^\d+$/) {
-                                $deftimeout{$type} = $settings->{'postsubmit'}->{'timeout'}->{$type};
+                                $deftimeout{$type} = $settings->{'postsubmit'}->{'timeout'}->{$type}; 
                             } else {
                                 $deftimeout{$type} = $staticdefaults{'postsubmit'};
                             }
@@ -3033,15 +3044,6 @@ sub print_coursedefaults {
                     $deftimeout{$type} = $staticdefaults{'postsubmit'};
                 }
             }
-            if (ref($settings->{'mysqltables'}) eq 'HASH') {
-                foreach my $type (keys(%{$settings->{'mysqltables'}})) {
-                    $currmysql{$type} = $settings->{'mysqltables'}{$type};
-                }
-            } else {
-                foreach my $type (@types) {
-                    $currmysql{$type} = $staticdefaults{'mysqltables'};
-                }
-            }
         } else {
             foreach my $type (@types) {
                 $deftimeout{$type} = $staticdefaults{'postsubmit'};
@@ -3119,27 +3121,13 @@ sub print_coursedefaults {
         $additional .= '</tr></table></div>'."\n";
         %defaultchecked = ('postsubmit' => 'on');
         @toggles = ('postsubmit');
-        $current = {
-                       'postsubmit' => $postsubmitclient,
-                   };
+        my $current = {
+                        'postsubmit' => $postsubmitclient,
+                      };
         ($table,$itemcount) =
             &radiobutton_prefs($current,\@toggles,\%defaultchecked,
                                \%choices,$itemcount,$onclick,$additional,'left');
         $datatable .= $table;
-        $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
-        $datatable .= '<tr'.$css_class.'><td><span class="LC_nobreak">'.
-                      $choices{'mysqltables'}.
-                      '</span></td>'.
-                      '<td align="right" class="LC_right_item">'.
-                      '<table><tr>';
-        foreach my $type (@types) {
-            $datatable .= '<td align="center">'.&mt($type).'<br />'.
-                           '<input type="text" name="mysqltables_'.$type.'"'.
-                           ' value="'.$currmysql{$type}.'" size="5" /></td>';
-        }
-        $datatable .= '</tr></table></td></tr>'."\n";
-        $itemcount ++;
-
     }
     $$rowtotal += $itemcount;
     return $datatable;
@@ -3672,7 +3660,7 @@ sub spares_row {
                             <span class="LC_nobreak">'.
                           &mt('[_1] when busy, offloads to:'
                               ,'<b>'.$server.'</b>').'</span><br />'.
-                          '<span class="LC_nobreak">'."\n".
+                          '<span class="LC_nobreak">'."\n". 
                           '<label><input type="checkbox" name="offloadnow" value="'.$server.'"'.$checkednow.' />'.
                           '&nbsp;'.&mt('Switch active users on next access').'</label></span>'.
                           "\n";
@@ -4567,8 +4555,7 @@ sub email_as_username {
 
 sub captcha_choice {
     my ($context,$settings,$itemcount) = @_;
-    my ($keyentry,$currpub,$currpriv,%checked,$rowname,$pubtext,$privtext,
-        $vertext,$currver); 
+    my ($keyentry,$currpub,$currpriv,%checked,$rowname,$pubtext,$privtext);
     my %lt = &captcha_phrases();
     $keyentry = 'hidden';
     if ($context eq 'cancreate') {
@@ -4586,11 +4573,6 @@ sub captcha_choice {
             $pubtext = $lt{'pub'};
             $privtext = $lt{'priv'};
             $keyentry = 'text';
-            $vertext = $lt{'ver'};
-            $currver = $settings->{'recaptchaversion'};
-            if ($currver ne '2') {
-                $currver = 1;
-            }
         }
         if (ref($settings->{'recaptchakeys'}) eq 'HASH') {
             $currpub = $settings->{'recaptchakeys'}{'public'};
@@ -4624,11 +4606,7 @@ sub captcha_choice {
                $currpub.'" size="40" /></span><br />'."\n".
                '<span class="LC_nobreak"><span id="'.$context.'_recaptchaprivtxt">'.$privtext.'</span>&nbsp;'."\n".
                '<input type="'.$keyentry.'" id="'.$context.'_recaptchapriv" name="'.$context.'_recaptchapriv" value="'.
-               $currpriv.'" size="40" /></span><br />'.
-               '<span class="LC_nobreak"><span id="'.$context.'_recaptchavertxt">'.$vertext.'</span>&nbsp;'."\n".
-               '<input type="'.$keyentry.'" id="'.$context.'_recaptchaversion" name="'.$context.'_recaptchaversion" value="'.
-               $currver.'" size="3" /></span><br />'.
-               '</td></tr></table>'."\n".
+               $currpriv.'" size="40" /></span></td></tr></table>'."\n".
                '</td></tr>';
     return $output;
 }
@@ -5423,7 +5401,7 @@ sub serverstatus_pages {
 
 sub defaults_javascript {
     my ($settings) = @_;
-    return unless (ref($settings) eq 'HASH');
+    return unless (ref($settings) eq 'HASH'); 
     if ((ref($settings->{'inststatusorder'}) eq 'ARRAY') && (ref($settings->{'inststatustypes'}) eq 'HASH')) {
         my $maxnum = scalar(@{$settings->{'inststatusorder'}});
         if ($maxnum eq '') {
@@ -6165,7 +6143,6 @@ sub modify_login {
                         $errors .= '<li><span class="LC_error">'.$puberror.'</span></li>';
                         if ((grep(/^\Q$lang\E$/,@currlangs)) &&
                             (!grep(/^\Q$lang\E$/,@delurls))) {
-
                             $loginhash{'login'}{'helpurl'}{$lang} = $domconfig{'login'}{'helpurl'}{$lang};
                         }
                     }
@@ -6189,7 +6166,7 @@ sub modify_login {
                 if ($domservers{$lonhost}) {
                     if (ref($domconfig{'login'}{'headtag'}{$lonhost}) eq 'HASH') {
                         $currheadtagurls{$lonhost} = $domconfig{'login'}{'headtag'}{$lonhost}{'url'};
-                        $currexempt{$lonhost} = $domconfig{'login'}{'headtag'}{$lonhost}{'exempt'}
+                        $currexempt{$lonhost} = $domconfig{'login'}{'headtagexempt'}{$lonhost}{'exempt'}
                     }
                 }
             }
@@ -6208,7 +6185,7 @@ sub modify_login {
             } elsif ($currheadtagurls{$lonhost}) {
                 $loginhash{'login'}{'headtag'}{$lonhost}{'url'} = $currheadtagurls{$lonhost};
                 if ($currexempt{$lonhost}) {
-                    if ((!exists($possexempt{$lonhost})) || ($possexempt{$lonhost} ne $currexempt{$lonhost})) {
+                    if ((!exists($possexempt{$lonhost})) || ($possexempt{$lonhost} ne $currexempt{$lonhost})) { 
                         $changes{'headtag'}{$lonhost} = 1;
                     }
                 } elsif ($possexempt{$lonhost}) {
@@ -6259,7 +6236,6 @@ sub modify_login {
             $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
         }
     }
-
     &process_captcha('login',\%changes,$loginhash{'login'},$domconfig{'login'});
 
     my $defaulthelpfile = '/adm/loginproblems.html';
@@ -6415,13 +6391,6 @@ sub modify_login {
                         $chgtxt .= '</ul>';
                         $resulttext .= '<li>'.$chgtxt.'</li>';
                     }
-                } elsif ($item eq 'recaptchaversion') {
-                    if (ref($loginhash{'login'}) eq 'HASH') {
-                        if ($loginhash{'login'}{'captcha'} eq 'recaptcha') {
-                            $resulttext .= '<li>'.&mt('ReCAPTCHA for helpdesk form set to version [_1]',$loginhash{'login'}{'recaptchaversion'}).
-                                           '</li>';
-                        }
-                    }
                 } else {
                     $resulttext .= '<li>'.&mt("$title{$item} set to $offon[$env{'form.'.$item}]").'</li>';
                 }
@@ -6441,6 +6410,7 @@ sub modify_login {
     return $resulttext;
 }
 
+
 sub check_exempt_addresses {
     my ($iplist) = @_;
     $iplist =~ s/^\s+//;
@@ -7350,7 +7320,7 @@ sub modify_quotas {
                                     my $newpos = $env{'form.'.$itemid};
                                     $newpos =~ s/\D+//g;
                                     foreach my $item ('subject','title','publisher','author') {
-                                        next if ((($item eq 'author') || ($item eq 'publisher')) &&
+                                        next if ((($item eq 'author') || ($item eq 'publisher')) && 
                                                  ($type eq 'templates'));
                                         $confhash{$type}{$key}{$item} = $env{'form.'.$type.'_'.$item.'_'.$i};
                                         if ($domconfig{$action}{$type}{$key}{$item} ne $confhash{$type}{$key}{$item}) {
@@ -7519,7 +7489,7 @@ sub modify_quotas {
                     }
                 } elsif ($confhash{'validation'}{'dc'} ne '') {
                     $changes{'validation'}{'dc'} = $confhash{'validation'}{'dc'};
-                }
+                }  
             } else {
                 if (ref($domconfig{'requestcourses'}) eq 'HASH') {
                     if (ref($domconfig{'requestcourses'}{'validation'}) eq 'HASH') {
@@ -7934,8 +7904,7 @@ sub modify_autoenroll {
     my $autorun = &Apache::lonnet::auto_run(undef,$dom),
     my %title = ( run => 'Auto-enrollment active',
                   sender => 'Sender for notification messages',
-                  coowners => 'Automatic assignment of co-ownership to instructors of record (institutional data)',
-                  failsafe => 'Failsafe for no drops if institutional data missing for a section');
+                  coowners => 'Automatic assignment of co-ownership to instructors of record (institutional data)');
     my @offon = ('off','on');
     my $sender_uname = $env{'form.sender_uname'};
     my $sender_domain = $env{'form.sender_domain'};
@@ -7945,17 +7914,11 @@ sub modify_autoenroll {
         $sender_domain = '';
     }
     my $coowners = $env{'form.autoassign_coowners'};
-    my $failsafe = $env{'form.autoenroll_failsafe'};
-    $failsafe =~ s{^\s+|\s+$}{}g;
-    if ($failsafe =~ /\D/) {
-        undef($failsafe);
-    }
     my %autoenrollhash =  (
                        autoenroll => { 'run' => $env{'form.autoenroll_run'},
                                        'sender_uname' => $sender_uname,
                                        'sender_domain' => $sender_domain,
                                        'co-owners' => $coowners,
-                                       'autofailsafe' => $failsafe,
                                 }
                      );
     my $putresult = &Apache::lonnet::put_dom('configuration',\%autoenrollhash,
@@ -7982,10 +7945,7 @@ sub modify_autoenroll {
             }
         } elsif ($coowners) {
             $changes{'coowners'} = 1;
-        }
-        if ($currautoenroll{'autofailsafe'} ne $failsafe) {
-            $changes{'autofailsafe'} = 1;
-        }
+        }      
         if (keys(%changes) > 0) {
             $resulttext = &mt('Changes made:').'<ul>';
             if ($changes{'run'}) {
@@ -8005,17 +7965,6 @@ sub modify_autoenroll {
                     $lastactref->{'domainconfig'} = 1;
                 }
             }
-            if ($changes{'autofailsafe'}) {
-                if ($failsafe ne '') {
-                    $resulttext .= '<li>'.&mt("$title{'failsafe'} set to [_1]",$failsafe).'</li>';
-                } else {
-                    $resulttext .= '<li>'.&mt("$title{'failsafe'} deleted");
-                }
-                &Apache::lonnet::get_domain_defaults($dom,1);
-                if (ref($lastactref) eq 'HASH') {
-                    $lastactref->{'domdefaults'} = 1;
-                }
-            }
             $resulttext .= '</ul>';
         } else {
             $resulttext = &mt('No changes made to auto-enrollment settings');
@@ -8643,8 +8592,7 @@ sub modify_usercreation {
                 if (ref($domconfig{'usercreation'}{$key}) eq 'HASH') {
                     foreach my $item (keys(%{$domconfig{'usercreation'}{$key}})) {
                         if (($item eq 'selfcreate') || ($item eq 'statustocreate') ||
-                            ($item eq 'captcha') || ($item eq 'recaptchakeys') ||
-                            ($item eq 'recaptchaversion')) {
+                            ($item eq 'captcha') || ($item eq 'recaptchakeys')) {
                             $save_usercreate{$key}{$item} = $domconfig{'usercreation'}{$key}{$item};
                         } else {
                             $curr_usercreation{$key}{$item} = $domconfig{'usercreation'}{$key}{$item};
@@ -8868,7 +8816,6 @@ sub modify_selfcreation {
                     foreach my $item (keys(%{$domconfig{'usercreation'}{$key}})) {
                         if (($item eq 'selfcreate') || ($item eq 'statustocreate') ||
                             ($item eq 'captcha') || ($item eq 'recaptchakeys') || 
-                            ($item eq 'recaptchaversion') ||
                             ($item eq 'emailusername') || ($item eq 'notify') ||
                             ($item eq 'selfcreateprocessing') || ($item eq 'shibenv')) {
                             $curr_usercreation{$key}{$item} = $domconfig{'usercreation'}{$key}{$item};
@@ -9198,7 +9145,6 @@ sub modify_selfcreation {
 #
     $save_usercreate{'cancreate'}{'captcha'} = $savecaptcha{'captcha'};
     $save_usercreate{'cancreate'}{'recaptchakeys'} = $savecaptcha{'recaptchakeys'};
-    $save_usercreate{'cancreate'}{'recaptchaversion'} = $savecaptcha{'recaptchaversion'};
     $save_usercreate{'cancreate'}{'selfcreate'} = $cancreate{'selfcreate'};
     if (ref($cancreate{'notify'}) eq 'HASH') {
         $save_usercreate{'cancreate'}{'notify'} = $cancreate{'notify'};
@@ -9360,10 +9306,6 @@ sub modify_selfcreation {
                             $chgtext .= '<li>'.&mt('Private key set to [_1]',$pubkey).'</li>';
                         }
                         $chgtext .= '</ul>';
-                    } elsif ($type eq 'recaptchaversion') {
-                        if ($savecaptcha{'captcha'} eq 'recaptcha') {
-                            $chgtext .= &mt('ReCAPTCHA set to version [_1]',$savecaptcha{$type});
-                        }
                     } elsif ($type eq 'emailusername') {
                         if (ref($cancreate{'emailusername'}) eq 'HASH') {
                             if (ref($types) eq 'ARRAY') {
@@ -9484,7 +9426,7 @@ sub process_captcha {
             $changes->{'captcha'} = 1;
         }
     }
-    my ($newpub,$newpriv,$currpub,$currpriv,$newversion,$currversion);
+    my ($newpub,$newpriv,$currpub,$currpriv);
     if ($newsettings->{'captcha'} eq 'recaptcha') {
         $newpub = $env{'form.'.$container.'_recaptchapub'};
         $newpriv = $env{'form.'.$container.'_recaptchapriv'};
@@ -9494,12 +9436,6 @@ sub process_captcha {
                                              public  => $newpub,
                                              private => $newpriv,
                                           };
-        $newversion = $env{'form.'.$container.'_recaptchaversion'};
-        $newversion =~ s/\D//g;
-        if ($newversion ne '2') {
-            $newversion = 1;
-        }
-        $newsettings->{'recaptchaversion'} = $newversion;
     }
     if (ref($current->{'recaptchakeys'}) eq 'HASH') {
         $currpub = $current->{'recaptchakeys'}{'public'};
@@ -9511,23 +9447,6 @@ sub process_captcha {
                                               }
         }
     }
-    if ($current->{'captcha'} eq 'recaptcha') {
-        $currversion = $current->{'recaptchaversion'};
-        if ($currversion ne '2') {
-            $currversion = 1;
-        }
-    }
-    if ($currversion ne $newversion) {
-        if ($container eq 'cancreate') {
-            if (ref($changes->{'cancreate'}) eq 'ARRAY') {
-                push(@{$changes->{'cancreate'}},'recaptchaversion');
-            } elsif (!defined($changes->{'cancreate'})) {
-                $changes->{'cancreate'} = ['recaptchaversion'];
-            }
-        } else {
-            $changes->{'recaptchaversion'} = 1;
-        }
-    }
     if (($newpub ne $currpub) || ($newpriv ne $currpriv)) {
         if ($container eq 'cancreate') {
             if (ref($changes->{'cancreate'}) eq 'ARRAY') {
@@ -10420,19 +10339,18 @@ sub modify_coursedefaults {
     my ($dom,$lastactref,%domconfig) = @_;
     my ($resulttext,$errors,%changes,%defaultshash);
     my %defaultchecked = (
+                           'canuse_pdfforms' => 'off',
                            'uselcmath'       => 'on',
                            'usejsme'         => 'on'
                          );
-    my @toggles = ('uselcmath','usejsme');
+    my @toggles = ('canuse_pdfforms','uselcmath','usejsme');
     my @numbers = ('anonsurvey_threshold','uploadquota_official','uploadquota_unofficial',
-                   'uploadquota_community','uploadquota_textbook','mysqltables_official',
-                   'mysqltables_unofficial','mysqltables_community','mysqltables_textbook');
+                   'uploadquota_community','uploadquota_textbook');
     my @types = ('official','unofficial','community','textbook');
     my %staticdefaults = (
                            anonsurvey_threshold => 10,
                            uploadquota          => 500,
                            postsubmit           => 60,
-                           mysqltables          => 172800,
                          );
 
     $defaultshash{'coursedefaults'} = {};
@@ -10473,12 +10391,12 @@ sub modify_coursedefaults {
                 }
                 $defaultshash{'coursedefaults'}{$item} = $newdef;
             } else {
-                my ($setting,$type) = ($item =~ /^(uploadquota|mysqltables)_(\w+)$/);
-                if (ref($domconfig{'coursedefaults'}{$setting}) eq 'HASH') {
-                    $currdef = $domconfig{'coursedefaults'}{$setting}{$type};
+                my ($type) = ($item =~ /^\Quploadquota_\E(\w+)$/);
+                if (ref($domconfig{'coursedefaults'}{'uploadquota'}) eq 'HASH') {
+                    $currdef = $domconfig{'coursedefaults'}{'uploadquota'}{$type};
                 }
                 $newdef =~ s/[^\w.\-]//g;
-                $defaultshash{'coursedefaults'}{$setting}{$type} = $newdef;
+                $defaultshash{'coursedefaults'}{'uploadquota'}{$type} = $newdef;
             }
             if ($currdef ne $newdef) {
                 my $staticdef;
@@ -10486,10 +10404,9 @@ sub modify_coursedefaults {
                     unless (($currdef eq '') && ($newdef == $staticdefaults{$item})) {
                         $changes{$item} = 1;
                     }
-                } elsif ($item =~ /^(uploadquota|mysqltables)_/) {
-                    my $setting = $1;
-                    unless (($currdef eq '') && ($newdef == $staticdefaults{$setting})) {
-                        $changes{$setting} = 1;
+                } else {
+                    unless (($currdef eq '') && ($newdef == $staticdefaults{'uploadquota'})) {
+                        $changes{'uploadquota'} = 1;
                     }
                 }
             }
@@ -10502,7 +10419,7 @@ sub modify_coursedefaults {
             }
         }
         my $newclone;
-        if ($env{'form.canclone'} =~ /^(none|domain|instcode)$/) {
+        if ($env{'form.canclone'} =~ /^(none|domain|instcode)$/) { 
             $newclone = $env{'form.canclone'};
         }
         if ($newclone eq 'instcode') {
@@ -10525,8 +10442,8 @@ sub modify_coursedefaults {
                 $newclone eq '';
             }
         } elsif ($newclone ne '') {
-            $defaultshash{'coursedefaults'}{'canclone'} = $newclone;
-        }
+            $defaultshash{'coursedefaults'}{'canclone'} = $newclone; 
+        } 
         if ($newclone ne $currclone) {
             $changes{'canclone'} = 1;
         }
@@ -10544,10 +10461,10 @@ sub modify_coursedefaults {
                 $defaultshash{'coursedefaults'}{'coursecredits'}{$type} = $credits{$type};
             }
         } else {
-            if ($env{'form.coursecredits'} eq '1') {
+            if ($env{'form.coursecredits'} eq '1') { 
                 foreach my $type (@types) {
                     unless ($type eq 'community') {
-                        if ($domconfig{'coursedefaults'}{'coursecredits'}{$type} ne $credits{$type}) {
+                        if ($domconfig{'coursedefaults'}{'coursecredits'}{$type} ne $credits{$type}) {        
                             $changes{'coursecredits'} = 1;
                         }
                         $defaultshash{'coursedefaults'}{'coursecredits'}{$type} = $credits{$type};
@@ -10590,7 +10507,7 @@ sub modify_coursedefaults {
                 }
                 if (exists($currtimeout{$type})) {
                     if ($timeout ne $currtimeout{$type}) {
-                        $changes{'postsubmit'} = 1;
+                        $changes{'postsubmit'} = 1; 
                     }
                 } elsif ($timeout ne '') {
                     $changes{'postsubmit'} = 1;
@@ -10612,14 +10529,14 @@ sub modify_coursedefaults {
     if ($putresult eq 'ok') {
         if (keys(%changes) > 0) {
             my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
-            if (($changes{'uploadquota'}) || ($changes{'postsubmit'}) ||
+            if (($changes{'canuse_pdfforms'}) || ($changes{'uploadquota'}) || ($changes{'postsubmit'}) ||
                 ($changes{'coursecredits'}) || ($changes{'uselcmath'}) || ($changes{'usejsme'}) ||
-                ($changes{'canclone'}) || ($changes{'mysqltables'})) {
-                foreach my $item ('uselcmath','usejsme') {
+                ($changes{'canclone'})) {
+                foreach my $item ('canuse_pdfforms','uselcmath','usejsme') { 
                     if ($changes{$item}) {
                         $domdefaults{$item}=$defaultshash{'coursedefaults'}{$item};
                     }
-                }
+                } 
                 if ($changes{'coursecredits'}) {
                     if (ref($defaultshash{'coursedefaults'}{'coursecredits'}) eq 'HASH') {
                         foreach my $type (keys(%{$defaultshash{'coursedefaults'}{'coursecredits'}})) {
@@ -10666,7 +10583,13 @@ sub modify_coursedefaults {
             }
             $resulttext = &mt('Changes made:').'<ul>';
             foreach my $item (sort(keys(%changes))) {
-                if ($item eq 'uselcmath') {
+                if ($item eq 'canuse_pdfforms') {
+                    if ($env{'form.'.$item} eq '1') {
+                        $resulttext .= '<li>'.&mt("Course/Community users can create/upload PDF forms set to 'on'").'</li>';
+                    } else {
+                        $resulttext .= '<li>'.&mt('Course/Community users can create/upload PDF forms set to "off"').'</li>';
+                    }
+                } elsif ($item eq 'uselcmath') {
                     if ($env{'form.'.$item} eq '1') {
                         $resulttext .= '<li>'.&mt('Math preview uses LON-CAPA previewer (javascript), if supported by browser.').'</li>';
                     } else {
@@ -10676,7 +10599,7 @@ sub modify_coursedefaults {
                     if ($env{'form.'.$item} eq '1') {
                         $resulttext .= '<li>'.&mt('Molecule editor uses JSME (HTML5), if supported by browser.').'</li>';
                     } else {
-                        $resulttext .= '<li>'.&mt('Molecule editor uses JME (Java), if supported by client OS.').'</li>';
+                        $resulttext .= '<li>'.&mt('Molecule editor uses JME (Java), if supported by client OS.').'</li>'; 
                     }
                 } elsif ($item eq 'anonsurvey_threshold') {
                     $resulttext .= '<li>'.&mt('Responder count required for display of anonymous survey submissions set to [_1].',$defaultshash{'coursedefaults'}{'anonsurvey_threshold'}).'</li>';
@@ -10693,24 +10616,12 @@ sub modify_coursedefaults {
                     } else {
                         $resulttext .= '<li>'.&mt('Default quota for content uploaded via Course Editor remains default: [_1] MB',$staticdefaults{'uploadquota'}).'</li>';
                     }
-                } elsif ($item eq 'mysqltables') {
-                    if (ref($defaultshash{'coursedefaults'}{'mysqltables'}) eq 'HASH') {
-                        $resulttext .= '<li>'.&mt('Lifetime of "Temporary" MySQL tables (student performance data) on homeserver').'<ul>'.
-                                       '<li>'.&mt('Official courses: [_1] s','<b>'.$defaultshash{'coursedefaults'}{'mysqltables'}{'official'}.'</b>').'</li>'.
-                                       '<li>'.&mt('Unofficial courses: [_1] s','<b>'.$defaultshash{'coursedefaults'}{'mysqltables'}{'unofficial'}.'</b>').'</li>'.
-                                       '<li>'.&mt('Textbook courses: [_1] s','<b>'.$defaultshash{'coursedefaults'}{'mysqltables'}{'textbook'}.'</b>').'</li>'.
-                                       '<li>'.&mt('Communities: [_1] s','<b>'.$defaultshash{'coursedefaults'}{'mysqltables'}{'community'}.'</b>').'</li>'.
-                                       '</ul>'.
-                                       '</li>';
-                    } else {
-                        $resulttext .= '<li>'.&mt('Lifetime of "Temporary" MySQL tables (student performance data) on homeserver remains default: [_1] s',$staticdefaults{'uploadquota'}).'</li>';
-                    }
                 } elsif ($item eq 'postsubmit') {
                     if ($domdefaults{'postsubmit'} eq 'off') {
                         $resulttext .= '<li>'.&mt('Submit button(s) remain enabled on page after student makes submission.');
                     } else {
                         $resulttext .= '<li>'.&mt('Submit button(s) disabled on page after student makes submission').'; ';
-                        if (ref($defaultshash{'coursedefaults'}{'postsubmit'}) eq 'HASH') {
+                        if (ref($defaultshash{'coursedefaults'}{'postsubmit'}) eq 'HASH') { 
                             $resulttext .= &mt('durations:').'<ul>';
                             foreach my $type (@types) {
                                 $resulttext .= '<li>';
@@ -10739,7 +10650,7 @@ sub modify_coursedefaults {
                             }
                             $resulttext .= '</ul>';
                         }
-                        $resulttext .= '</li>';
+                        $resulttext .= '</li>';    
                     }
                 } elsif ($item eq 'coursecredits') {
                     if (ref($defaultshash{'coursedefaults'}{'coursecredits'}) eq 'HASH') {
@@ -10767,7 +10678,7 @@ sub modify_coursedefaults {
                     } elsif ($defaultshash{'coursedefaults'}{'canclone'} eq 'domain') {
                         $resulttext .= '<li>'.&mt('By default, a course requester can clone any course from his/her domain.').'</li>';
                     } else {
-                        $resulttext .= '<li>'.&mt('By default, only course owner and coordinators may clone a course.').'</li>';
+                        $resulttext .= '<li>'.&mt('By default, only course owner and coordinators may clone a course.').'</li>'; 
                     }
                 }
             }
@@ -11222,7 +11133,7 @@ sub modify_usersessions {
                 }
             }
             unless ($changes{'offloadnow'}) {
-                foreach my $lonhost (keys(%{$defaultshash{'usersessions'}{'offloadnow'}})) {
+                foreach my $lonhost (keys(%{$defaultshash{'usersessions'}{'offloadnow'}})) { 
                     unless ($domconfig{'usersessions'}{'offloadnow'}{$lonhost}) {
                         $changes{'offloadnow'} = 1;
                         last;
@@ -11447,7 +11358,7 @@ sub modify_loadbalancing {
                 }
                 if ($rule eq 'specific') {
                     my $specifiedhost = $env{'form.loadbalancing_singleserver_'.$i.'_'.$type};
-                    if (exists($servers{$specifiedhost})) {
+                    if (exists($servers{$specifiedhost})) { 
                         $rule = $specifiedhost;
                     }
                 }
@@ -11523,7 +11434,7 @@ sub modify_loadbalancing {
                                         if ($rule eq '') {
                                             $balancetext =  $ruletitles{'default'};
                                         } elsif (($rule eq 'homeserver') || ($rule eq 'externalbalancer') ||
-                                                 ($type eq '_LC_ipchange') || ($type eq '_LC_ipchangesso')) {
+                                                 ($type eq '_LC_ipchange') || ($type eq '_LC_ipchangesso')) { 
                                             if (($type eq '_LC_ipchange') || ($type eq '_LC_ipchangesso')) {
                                                 foreach my $sparetype (@sparestypes) {
                                                     if (ref($defaultshash{'loadbalancing'}{$balancer}{'targets'}{$sparetype}) eq 'ARRAY') {
@@ -12223,8 +12134,6 @@ function updateCaptcha(caller,context) {
     var pubitem;
     var privtext;
     var pubtext;
-    var versionitem;
-    var versiontext;
     if (document.getElementById(context+'_recaptchapub')) {
         pubitem = document.getElementById(context+'_recaptchapub');
     } else {
@@ -12245,16 +12154,6 @@ function updateCaptcha(caller,context) {
     } else {
         return;
     }
-    if (document.getElementById(context+'_recaptchaversion')) {
-        versionitem = document.getElementById(context+'_recaptchaversion');
-    } else {
-        return;
-    }
-    if (document.getElementById(context+'_recaptchavertxt')) {
-        versiontext = document.getElementById(context+'_recaptchavertxt');
-    } else {
-        return;
-    }
     if (caller.checked) {
         if (caller.value == 'recaptcha') {
             pubitem.type = 'text';
@@ -12263,16 +12162,11 @@ function updateCaptcha(caller,context) {
             privitem.size = '40';
             pubtext.innerHTML = "$lt{'pub'}";
             privtext.innerHTML = "$lt{'priv'}";
-            versionitem.type = 'text';
-            versionitem.size = '3';
-            versiontext.innerHTML = "$lt{'ver'}";
         } else {
             pubitem.type = 'hidden';
             privitem.type = 'hidden';
-            versionitem.type = 'hidden';
             pubtext.innerHTML = '';
             privtext.innerHTML = '';
-            versiontext.innerHTML = '';
         }
     }
     return;
@@ -12338,7 +12232,6 @@ sub captcha_phrases {
                  original  => 'original (CAPTCHA)',
                  recaptcha => 'successor (ReCAPTCHA)',
                  notused   => 'unused',
-                 ver => 'ReCAPTCHA version (1 or 2)',
     );
 }