--- loncom/interface/londocs.pm	2017/11/01 02:52:22	1.484.2.72.2.3
+++ loncom/interface/londocs.pm	2018/04/29 17:33:52	1.484.2.72.2.5
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Documents
 #
-# $Id: londocs.pm,v 1.484.2.72.2.3 2017/11/01 02:52:22 raeburn Exp $
+# $Id: londocs.pm,v 1.484.2.72.2.5 2018/04/29 17:33:52 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2598,7 +2598,8 @@ sub apply_fixups {
                     }
                 }
             }
-            for (my $i=0; $i<@LONCAPA::map::order; $i++) {
+            my $total = scalar(@LONCAPA::map::order) - 1;
+            for (my $i=$total; $i>=0; $i--) {
                 my $idx = $LONCAPA::map::order[$i];
                 if (defined($LONCAPA::map::resources[$idx])) {
                     my $changed;
@@ -2608,7 +2609,7 @@ sub apply_fixups {
                         splice(@LONCAPA::map::order,$i,1);
                         if (ref($currparam{$idx}) eq 'ARRAY') {
                             foreach my $name (@{$currparam{$idx}}) {
-                                &LONCAPA::map::delparameter($idx,'parameter_'.$name);
+                                &LONCAPA::map::delparameter($idx,$name);
                             }
                         }
                         next;
@@ -2650,7 +2651,7 @@ sub apply_fixups {
             foreach my $idx (keys(%remparam)) {
                 if (ref($remparam{$idx}) eq 'ARRAY') {
                     foreach my $name (@{$remparam{$idx}}) {   
-                        &LONCAPA::map::delparameter($idx,'parameter_'.$name);
+                        &LONCAPA::map::delparameter($idx,$name);
                     }
                 }
             }
@@ -3925,7 +3926,7 @@ END
                     }
                 }
                 if ($url ne '') {
-                    $url.=(($url=~/\?/)?'&':'?').'symb='.&HTML::Entities::encode($shownsymb,'"<>&');
+                    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($shownsymb);
                 }
             } elsif (!$env{'request.role.adv'}) {
                 my $checkencrypt;
@@ -3946,7 +3947,7 @@ END
                     my $shownsymb = &Apache::lonenc::encrypted($symb);
                     my $shownurl = &Apache::lonenc::encrypted($url);
                     if (&Apache::lonnet::symbverify($shownsymb,$shownurl)) {
-                        $url = $shownurl.(($shownurl=~/\?/)?'&':'?').'symb='.&HTML::Entities::encode($shownsymb,'"<>&');
+                        $url = $shownurl.(($shownurl=~/\?/)?'&':'?').'symb='.&escape($shownsymb);
                         if ($env{'request.enc'} ne '') {
                             delete($env{'request.enc'});
                         }