--- loncom/interface/loncommon.pm	2018/01/02 16:53:27	1.1307
+++ loncom/interface/loncommon.pm	2018/01/03 04:20:54	1.1308
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.1307 2018/01/02 16:53:27 raeburn Exp $
+# $Id: loncommon.pm,v 1.1308 2018/01/03 04:20:54 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -17358,13 +17358,23 @@ sub update_content_constraints {
             }
         }
         foreach my $key (keys(%allcrsrestypes)) {
-            my ($major,$minor) = split(/\./,$checkcrsrestypes{'exttool'});
+            my ($major,$minor) = split(/\./,$checkcrsrestypes{$key});
             if (($major > $reqdmajor) || ($major == $reqdmajor && $minor > $reqdminor)) {
                 ($reqdmajor,$reqdminor) = ($major,$minor);
             }
         }
         undef($navmap);
     }
+    my $suppmap = 'supplemental.sequence';
+    my ($suppcount,$supptools,$errors) = (0,0,0);
+    ($suppcount,$supptools,$errors) = &recurse_supplemental($cnum,$cdom,$suppmap,
+                                                            $suppcount,$supptools,$errors);
+    if ($supptools) {
+        my ($major,$minor) = split(/\./,$checkcrsrestypes{'exttool'});
+        if (($major > $reqdmajor) || ($major == $reqdmajor && $minor > $reqdminor)) {
+            ($reqdmajor,$reqdminor) = ($major,$minor);
+        }
+    }
     unless (($reqdmajor eq '') && ($reqdminor eq '')) {
         &Apache::lonnet::update_released_required($reqdmajor.'.'.$reqdminor,$cdom,$cnum,$chome,$cid);
     }
@@ -17421,7 +17431,7 @@ sub parse_supplemental_title {
 }
 
 sub recurse_supplemental {
-    my ($cnum,$cdom,$suppmap,$numfiles,$errors) = @_;
+    my ($cnum,$cdom,$suppmap,$numfiles,$numexttools,$errors) = @_;
     if ($suppmap) {
         my ($errtext,$fatal) = &LONCAPA::map::mapread('/uploaded/'.$cdom.'/'.$cnum.'/'.$suppmap);
         if ($fatal) {
@@ -17432,8 +17442,12 @@ sub recurse_supplemental {
                     my ($title,$src,$ext,$type,$status)=split(/\:/,$res);
                     if (($src ne '') && ($status eq 'res')) {
                         if ($src =~ m{^\Q/uploaded/$cdom/$cnum/\E(supplemental_\d+\.sequence)$}) {
-                            ($numfiles,$errors) = &recurse_supplemental($cnum,$cdom,$1,$numfiles,$errors);
+                            ($numfiles,$numexttools,$errors) = &recurse_supplemental($cnum,$cdom,$1,
+                                                                   $numfiles,$numexttools,$errors);
                         } else {
+                            if ($src =~ m{^/adm/$cdom/$cnum/\d+/ext\.tool$}) {
+                                $numexttools ++;
+                            }
                             $numfiles ++;
                         }
                     }
@@ -17441,7 +17455,7 @@ sub recurse_supplemental {
             }
         }
     }
-    return ($numfiles,$errors);
+    return ($numfiles,$numexttools,$errors);
 }
 
 sub symb_to_docspath {