--- loncom/publisher/lonpublisher.pm	2003/02/03 18:03:53	1.108
+++ loncom/publisher/lonpublisher.pm	2003/02/18 13:20:13	1.109
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Publication Handler
 #
-# $Id: lonpublisher.pm,v 1.108 2003/02/03 18:03:53 harris41 Exp $
+# $Id: lonpublisher.pm,v 1.109 2003/02/18 13:20:13 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1199,6 +1199,11 @@ sub phasetwo {
     my ($r,$source,$target,$style,$distarget,$batch)=@_;
     $source=~s/\/+/\//g;
     $target=~s/\/+/\//g;
+
+    if ($target=~/\_\_\_/) {
+	return 
+ '<font color=red>Unsupported character combination "<tt>___</tt>" in filename, FAIL</font>';
+    }
     $distarget=~s/\/+/\//g;
     my $logfile;
     unless ($logfile=Apache::File->new('>>'.$source.'.log')) {