--- loncom/publisher/lonpublisher.pm	2003/09/25 22:30:06	1.138
+++ loncom/publisher/lonpublisher.pm	2005/06/23 22:46:00	1.198
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Publication Handler
 #
-# $Id: lonpublisher.pm,v 1.138 2003/09/25 22:30:06 www Exp $
+# $Id: lonpublisher.pm,v 1.198 2005/06/23 22:46:00 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -25,24 +25,6 @@
 #
 # http://www.lon-capa.org/
 #
-# 
-# (TeX Content Handler
-#
-# 05/29/00,05/30,10/11 Gerd Kortemeyer)
-#
-# 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer
-# 03/23 Guy Albertelli
-# 03/24,03/29,04/03 Gerd Kortemeyer
-# 05/03,05/05,05/07 Gerd Kortemeyer
-# 06/23,08/07,08/11,8/13,8/17,8/18,8/24,9/26,10/16 Gerd Kortemeyer
-# 12/04,12/05 Guy Albertelli
-# 12/05 Gerd Kortemeyer
-# 12/05 Guy Albertelli
-# 12/06,12/07 Gerd Kortemeyer
-# 12/25 Gerd Kortemeyer
-# YEAR=2002
-# 1/17 Gerd Kortemeyer
-#
 ###
 
 ###############################################################################
@@ -139,10 +121,13 @@ use HTML::LCParser;
 use Apache::lonxml;
 use Apache::loncacc;
 use DBI;
-use Apache::lonnet();
+use Apache::lonnet;
 use Apache::loncommon();
 use Apache::lonmysql;
 use Apache::lonlocal;
+use Apache::loncfile;
+use LONCAPA::lonmetadata;
+use Apache::lonmsg;
 use vars qw(%metadatafields %metadatakeys);
 
 my %addid;
@@ -153,6 +138,9 @@ my $docroot;
 my $cuname;
 my $cudom;
 
+my $registered_cleanup;
+my $modified_urls;
+
 =pod
 
 =item B<metaeval>
@@ -180,46 +168,53 @@ nothing
 
 #########################################
 #########################################
+#
+# Modifies global %metadatafields %metadatakeys 
+#
+
 sub metaeval {
-    my $metastring=shift;
+    my ($metastring,$prefix)=@_;
    
-        my $parser=HTML::LCParser->new(\$metastring);
-        my $token;
-        while ($token=$parser->get_token) {
-           if ($token->[0] eq 'S') {
-	      my $entry=$token->[1];
-              my $unikey=$entry;
-              if (defined($token->[2]->{'package'})) { 
-                  $unikey.='_package_'.$token->[2]->{'package'};
-              } 
-              if (defined($token->[2]->{'part'})) { 
-                 $unikey.='_'.$token->[2]->{'part'}; 
-	      }
-              if (defined($token->[2]->{'id'})) { 
-                  $unikey.='_'.$token->[2]->{'id'};
-              } 
-              if (defined($token->[2]->{'name'})) { 
-                 $unikey.='_'.$token->[2]->{'name'}; 
-	      }
-              foreach (@{$token->[3]}) {
-		  $metadatafields{$unikey.'.'.$_}=$token->[2]->{$_};
-                  if ($metadatakeys{$unikey}) {
-		      $metadatakeys{$unikey}.=','.$_;
-                  } else {
-                      $metadatakeys{$unikey}=$_;
-                  }
-              }
-              if ($metadatafields{$unikey}) {
-		  my $newentry=$parser->get_text('/'.$entry);
-                  unless (($metadatafields{$unikey}=~/\Q$newentry\E/) ||
-                          ($newentry eq '')) {
-                     $metadatafields{$unikey}.=', '.$newentry;
-		  }
-	      } else {
-                 $metadatafields{$unikey}=$parser->get_text('/'.$entry);
-              }
-          }
-       }
+    my $parser=HTML::LCParser->new(\$metastring);
+    my $token;
+    while ($token=$parser->get_token) {
+	if ($token->[0] eq 'S') {
+	    my $entry=$token->[1];
+	    my $unikey=$entry;
+	    if (defined($token->[2]->{'package'})) { 
+		$unikey.='_package_'.$token->[2]->{'package'};
+	    } 
+	    if (defined($token->[2]->{'part'})) { 
+		$unikey.='_'.$token->[2]->{'part'}; 
+	    }
+	    if (defined($token->[2]->{'id'})) { 
+		$unikey.='_'.$token->[2]->{'id'};
+	    } 
+	    if (defined($token->[2]->{'name'})) { 
+		$unikey.='_'.$token->[2]->{'name'}; 
+	    }
+	    foreach (@{$token->[3]}) {
+		$metadatafields{$unikey.'.'.$_}=$token->[2]->{$_};
+		if ($metadatakeys{$unikey}) {
+		    $metadatakeys{$unikey}.=','.$_;
+		} else {
+		    $metadatakeys{$unikey}=$_;
+		}
+	    }
+	    my $newentry=$parser->get_text('/'.$entry);
+	    if (($entry eq 'customdistributionfile') ||
+		($entry eq 'sourcerights')) {
+		$newentry=~s/^\s*//;
+		if ($newentry !~m|^/res|) { $newentry=$prefix.$newentry; }
+	    }
+# actually store
+	    if ( $entry eq 'rule' && exists($metadatafields{$unikey})) {
+		$metadatafields{$unikey}.=','.$newentry;
+	    } else {
+		$metadatafields{$unikey}=$newentry;
+	    }
+	}
+    }
 }
 
 #########################################
@@ -260,19 +255,21 @@ XHTML text that indicates successful rea
 #########################################
 #########################################
 sub metaread {
-    my ($logfile,$fn)=@_;
+    my ($logfile,$fn,$prefix)=@_;
     unless (-e $fn) {
 	print($logfile 'No file '.$fn."\n");
-        return '<br /><b>No file:</b> <tt>'.$fn.'</tt>';
+        return '<br /><b>'.&mt('No file').':</b> <tt>'.
+	    &Apache::loncfile::display($fn).'</tt>';
     }
     print($logfile 'Processing '.$fn."\n");
     my $metastring;
     {
-     my $metafh=Apache::File->new($fn);
-     $metastring=join('',<$metafh>);
+	my $metafh=Apache::File->new($fn);
+	$metastring=join('',<$metafh>);
     }
-    &metaeval($metastring);
-    return '<br /><b>Processed file:</b> <tt>'.$fn.'</tt>';
+    &metaeval($metastring,$prefix);
+    return '<br /><b>'.&mt('Processed file').':</b> <tt>'.
+	&Apache::loncfile::display($fn).'</tt>';
 }
 
 #########################################
@@ -325,24 +322,52 @@ string which presents the form field (fo
 #########################################
 sub textfield {
     my ($title,$name,$value)=@_;
+    $value=~s/^\s+//gs;
+    $value=~s/\s+$//gs;
+    $value=~s/\s+/ /gs;
     $title=&mt($title);
-    my $uctitle=uc($title);
-    return "\n<p><font color=\"#800000\" face=\"helvetica\"><b>$uctitle:".
+    $env{'form.'.$name}=$value;
+    return "\n<p><font color=\"#800000\" face=\"helvetica\"><b>$title:".
            "</b></font></p><br />".
            '<input type="text" name="'.$name.'" size=80 value="'.$value.'" />';
 }
 
+sub text_with_browse_field {
+    my ($title,$name,$value,$restriction)=@_;
+    $value=~s/^\s+//gs;
+    $value=~s/\s+$//gs;
+    $value=~s/\s+/ /gs;
+    $title=&mt($title);
+    $env{'form.'.$name}=$value;
+    return "\n<p><font color=\"#800000\" face=\"helvetica\"><b>$title:".
+           "</b></font></p><br />".
+           '<input type="text" name="'.$name.'" size=80 value="'.$value.'" />'.
+	   '<a href="javascript:openbrowser(\'pubform\',\''.$name.'\',\''.$restriction.'\');">Select</a>&nbsp;'.
+	   '<a href="javascript:opensearcher(\'pubform\',\''.$name.'\');">Search</a>';
+	   
+}
+
 sub hiddenfield {
     my ($name,$value)=@_;
+    $env{'form.'.$name}=$value;
     return "\n".'<input type="hidden" name="'.$name.'" value="'.$value.'" />';
 }
 
+sub checkbox {
+    my ($name,$text)=@_;
+    return "\n<br /><input type='checkbox' name='$name' /> ".&mt($text);
+}
+
 sub selectbox {
     my ($title,$name,$value,$functionref,@idlist)=@_;
     $title=&mt($title);
-    my $uctitle=uc($title);
     $value=(split(/\s*,\s*/,$value))[-1];
-    my $selout="\n<p><font color=\"#800000\" face=\"helvetica\"><b>$uctitle:".
+    if (defined($value)) {
+	$env{'form.'.$name}=$value;
+    } else {
+	$env{'form.'.$name}=$idlist[0];
+    }
+    my $selout="\n<p><font color=\"#800000\" face=\"helvetica\"><b>$title:".
 	'</b></font></p><br /><select name="'.$name.'">';
     foreach (@idlist) {
         $selout.='<option value=\''.$_.'\'';
@@ -354,6 +379,12 @@ sub selectbox {
     return $selout.'</select>';
 }
 
+sub select_level_form {
+    my ($value,$name)=@_;
+    $env{'form.'.$name}=$value;
+    if (!defined($value)) { $env{'form.'.$name}=0; }
+    return  &Apache::loncommon::select_level_form($value,$name);
+}
 #########################################
 #########################################
 
@@ -464,7 +495,8 @@ sub get_subscribed_hosts {
     while ($filename=readdir(DIR)) {
 	if ($filename=~/\Q$srcf\E\.(\w+)$/) {
 	    my $subhost=$1;
-	    if (($subhost ne 'meta' && $subhost ne 'subscription') &&
+	    if (($subhost ne 'meta' && $subhost ne 'subscription' &&
+		 $subhost ne 'tmp') &&
                 ($subhost ne $Apache::lonnet::perlvar{'lonHostID'})) {
 		push(@subscribed,$subhost);
 	    }
@@ -521,7 +553,8 @@ sub get_max_ids_indices {
 	    my $counter;
 	    if ($counter=$addid{$token->[1]}) {
 		if ($counter eq 'id') {
-		    if (defined($token->[2]->{'id'})) {
+		    if (defined($token->[2]->{'id'}) &&
+			$token->[2]->{'id'} !~ /^\s*$/) {
 			$maxid=($token->[2]->{'id'}>$maxid)?$token->[2]->{'id'}:$maxid;
 			if (exists($allids{$token->[2]->{'id'}})) {
 			    $duplicateids=1;
@@ -533,7 +566,8 @@ sub get_max_ids_indices {
 			$needsfixup=1;
 		    }
 		} else {
-		    if (defined($token->[2]->{'index'})) {
+		    if (defined($token->[2]->{'index'}) &&
+			$token->[2]->{'index'} !~ /^\s*$/) {
 			$maxindex=($token->[2]->{'index'}>$maxindex)?$token->[2]->{'index'}:$maxindex;
 		    } else {
 			$needsfixup=1;
@@ -575,11 +609,11 @@ sub get_all_text_unbalanced {
 	} elsif ($token->[0] eq 'E')  {
 	    $result.=$token->[2];
 	}
-	if ($result =~ /(.*)\Q$tag\E(.*)/s) {
+	if ($result =~ /\Q$tag\E/s) {
+	    ($result,my $redo)=$result =~ /(.*)\Q$tag\E(.*)/is;
 	    #&Apache::lonnet::logthis('Got a winner with leftovers ::'.$2);
 	    #&Apache::lonnet::logthis('Result is :'.$1);
-	    $result=$1;
-	    my $redo=$tag.$2;
+	    $redo=$tag.$redo;
 	    push (@$pars,HTML::LCParser->new(\$redo));
 	    $$pars[-1]->xml_mode('1');
 	    last;
@@ -619,7 +653,7 @@ sub fix_ids_and_indices {
 			   join(', ',@duplicatedids));
     if ($duplicateids) {
 	print $logfile "Duplicate ID(s) exist, ".join(', ',@duplicatedids)."\n";
-	my $outstring='<font color="red">Unable to publish file, it contains duplicated ID(s), ID(s) need to be unique. The duplicated ID(s) are: '.join(', ',@duplicatedids).'</font>';
+	my $outstring='<font color="red">'.&mt('Unable to publish file, it contains duplicated ID(s), ID(s) need to be unique. The duplicated ID(s) are').': '.join(', ',@duplicatedids).'</font>';
 	return ($outstring,1);
     }
     if ($needsfixup) {
@@ -647,13 +681,15 @@ sub fix_ids_and_indices {
 		if (!$counter) { $counter=$addid{$lctag}; }
 		if ($counter) {
 		    if ($counter eq 'id') {
-			unless (defined($parms{'id'})) {
+			unless (defined($parms{'id'}) &&
+				$parms{'id'}!~/^\s*$/) {
 			    $maxid++;
 			    $parms{'id'}=$maxid;
 			    print $logfile 'ID: '.$tag.':'.$maxid."\n";
 			}
 		    } elsif ($counter eq 'index') {
-			unless (defined($parms{'index'})) {
+			unless (defined($parms{'index'}) &&
+				$parms{'index'}!~/^\s*$/) {
 			    $maxindex++;
 			    $parms{'index'}=$maxindex;
 			    print $logfile 'Index: '.$tag.':'.$maxindex."\n";
@@ -684,8 +720,15 @@ sub fix_ids_and_indices {
 		}
 		if ($lctag eq 'applet') {
 		    my $codebase='';
-		    if (defined($parms{'codebase'})) {
-			my $oldcodebase=$parms{'codebase'};
+		    my $havecodebase=0;
+		    foreach my $key (keys(%parms)) {
+			if (lc($key) eq 'codebase') { 
+			    $codebase=$parms{$key};
+			    $havecodebase=1; 
+			}
+		    }
+		    if ($havecodebase) {
+			my $oldcodebase=$codebase;
 			unless ($oldcodebase=~/\/$/) {
 			    $oldcodebase.='/';
 			}
@@ -699,14 +742,13 @@ sub fix_ids_and_indices {
 			}
 			$allow{&absoluteurl($codebase,$target).'/*'}=1;
 		    } else {
-			foreach ('archive','code','object') {
-			    if (defined($parms{$_})) {
-				my $oldurl=$parms{$_};
+			foreach my $key (keys(%parms)) {
+			    if ($key =~ /(archive|code|object)/i) {
+				my $oldurl=$parms{$key};
 				my $newurl=&urlfixup($oldurl,$target);
 				$newurl=~s/\/[^\/]+$/\/\*/;
-				print $logfile 'Allow: applet '.$_.':'.
-				    $oldurl.' allows '.
-					$newurl."\n";
+				print $logfile 'Allow: applet '.lc($key).':'.
+				    $oldurl.' allows '.$newurl."\n";
 				$allow{&absoluteurl($newurl,$target)}=1;
 			    }
 			}
@@ -771,7 +813,7 @@ Returns: (error,status).  error is undef
 #########################################
 #########################################
 sub store_metadata {
-    my %metadata = %{shift()};
+    my %metadata = @_;
     my $error;
     # Determine if the table exists
     my $status = &Apache::lonmysql::check_table('metadata');
@@ -788,26 +830,75 @@ sub store_metadata {
         &Apache::lonnet::logthis($error);
         return ($error,undef);
     }
-    # Remove old value from table
-    $status = &Apache::lonmysql::remove_from_table
-        ('metadata','url',$metadata{'url'});
-    if (! defined($status)) {
-        $error = '<font color="red">Error when removing old values from '.
-            'metadata table in LON-CAPA database.</font>';
-        &Apache::lonnet::logthis($error);
-        return ($error,undef);
+    my $dbh = &Apache::lonmysql::get_dbh();
+    if (($metadata{'obsolete'}) || ($metadata{'copyright'} eq 'priv') ||
+	($metadata{'copyright'} eq 'custom')) {
+        # remove this entry
+	$status=&LONCAPA::lonmetadata::delete_metadata($dbh,undef,
+                                                       $metadata{'url'});
+    } else {
+        $status = &LONCAPA::lonmetadata::update_metadata($dbh,undef,
+                                                         \%metadata);
     }
-    # Store data in table.
-    $status = &Apache::lonmysql::store_row('metadata',\%metadata);
-    if (! defined($status)) {
+    if (defined($status) && $status ne '') {
         $error='<font color="red">Error occured storing new values in '.
             'metadata table in LON-CAPA database</font>';
         &Apache::lonnet::logthis($error);
+        &Apache::lonnet::logthis($status);
         return ($error,undef);
     }
     return (undef,$status);
 }
 
+
+# ========================================== Parse file for errors and warnings
+
+sub checkonthis {
+    my ($r,$source)=@_;
+    my $uri=&Apache::lonnet::hreflocation($source);
+    $uri=~s/\/$//;
+    my $result=&Apache::lonnet::ssi_body($uri,
+					 ('grade_target'=>'web',
+					  'return_only_error_and_warning_counts' => 1));
+    my ($errorcount,$warningcount)=split(':',$result);
+    if (($errorcount) || ($warningcount)) {
+        $r->print('<br /><tt>'.$uri.'</tt>: ');
+	if ($errorcount) {
+	    $r->print('<img src="/adm/lonMisc/bomb.gif" /><font color="red"><b>'.
+		      $errorcount.' '.
+		      &mt('error(s)').'</b></font> ');
+	}
+	if ($warningcount) {
+	    $r->print('<font color="blue">'.
+		      $warningcount.' '.
+		      &mt('warning(s)').'</font>');
+	}
+    } else {
+	#$r->print('<font color="green">'.&mt('ok').'</font>');
+    }
+    $r->rflush();
+    return ($warningcount,$errorcount);
+}
+
+# ============================================== Parse file itself for metadata
+#
+# parses a file with target meta, sets global %metadatafields %metadatakeys 
+
+sub parseformeta {
+    my ($source,$style)=@_;
+    my $allmeta='';
+    if (($style eq 'ssi') || ($style eq 'prv')) {
+	my $dir=$source;
+	$dir=~s-/[^/]*$--;
+	my $file=$source;
+	$file=(split('/',$file))[-1];
+        $source=&Apache::lonnet::hreflocation($dir,$file);
+	$allmeta=&Apache::lonnet::ssi_body($source,('grade_target' => 'meta'));
+        &metaeval($allmeta);
+    }
+    return $allmeta;
+}
+
 #########################################
 #########################################
 
@@ -839,10 +930,10 @@ sub publish {
     my %allow=();
 
     unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
-	return ('<font color="red">No write permission to user directory, FAIL</font>',1);
+	return ('<font color="red">'.&mt('No write permission to user directory, FAIL').'</font>',1);
     }
     print $logfile 
-"\n\n================= Publish ".localtime()." Phase One  ================\n".$ENV{'user.name'}.'@'.$ENV{'user.domain'}."\n";
+"\n\n================= Publish ".localtime()." Phase One  ================\n".$env{'user.name'}.'@'.$env{'user.domain'}."\n";
 
     if (($style eq 'ssi') || ($style eq 'rat') || ($style eq 'prv')) {
 # ------------------------------------------------------- This needs processing
@@ -863,7 +954,7 @@ sub publish {
 	if ($error) { return ($outstring,$error); }
 # ------------------------------------------------------------ Construct Allows
     
-	$scrout.='<h3>Dependencies</h3>';
+	$scrout.='<h3>'.&mt('Dependencies').'</h3>';
         my $allowstr='';
         foreach (sort(keys(%allow))) {
 	   my $thisdep=$_;
@@ -872,16 +963,16 @@ sub publish {
               $allowstr.="\n".'<allow src="'.$thisdep.'" />';
 	   }
            $scrout.='<br />';
-           unless ($thisdep=~/\*/) {
+           if ($thisdep!~/\*/ && $thisdep!~m|^/adm/|) {
 	       $scrout.='<a href="'.$thisdep.'">';
            }
            $scrout.='<tt>'.$thisdep.'</tt>';
-           unless ($thisdep=~/\*/) {
+           if ($thisdep!~/\*/ && $thisdep!~m|^/adm/|) {
 	       $scrout.='</a>';
                if (
        &Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
                                             $thisdep.'.meta') eq '-1') {
-		   $scrout.= ' - <font color="red">Currently not available'.
+		   $scrout.= ' - <font color="red">'.&mt('Currently not available').
 		       '</font>';
                } else {
                    my %temphash=(&Apache::lonnet::declutter($target).'___'.
@@ -895,13 +986,8 @@ sub publish {
 	       }
            }
         }
-        $outstring=~s/\n*(\<\/[^\>]+\>)\s*$/$allowstr\n$1\n/s;
+        $outstring=~s/\n*(\<\/[^\>]+\>[^<]*)$/$allowstr\n$1\n/s;
 
-### FIXME: is this really what we want?
-# I dont' think so, to will corrupt any UTF-8 resources at least, 
-# and any encoding other than ISO-8859-1 will probably break
-	#Encode any High ASCII characters
-	#$outstring=&HTML::Entities::encode($outstring,"\200-\377");
 # ------------------------------------------------------------- Write modified.
 
         {
@@ -920,7 +1006,8 @@ sub publish {
 # -------------------------------------------- Initial step done, now metadata.
 
 # --------------------------------------- Storage for metadata keys and fields.
-
+# these are globals
+#
      %metadatafields=();
      %metadatakeys=();
      
@@ -933,17 +1020,14 @@ sub publish {
     }
 
 # ------------------------------------------------ First, check out environment
-     unless (-e $source.'.meta') {
-        $metadatafields{'author'}=$ENV{'environment.firstname'}.' '.
-	                          $ENV{'environment.middlename'}.' '.
-		                  $ENV{'environment.lastname'}.' '.
-		                  $ENV{'environment.generation'};
+     if ((!(-e $source.'.meta')) || ($env{'form.forceoverride'})) {
+        $metadatafields{'author'}=$env{'environment.firstname'}.' '.
+	                          $env{'environment.middlename'}.' '.
+		                  $env{'environment.lastname'}.' '.
+		                  $env{'environment.generation'};
         $metadatafields{'author'}=~s/\s+/ /g;
         $metadatafields{'author'}=~s/\s+$//;
         $metadatafields{'owner'}=$cuname.'@'.$cudom;
-	$metadatafields{'modifyinguser'}=$ENV{'user.name'}.'@'.
-	                                 $ENV{'user.domain'};
-	$metadatafields{'authorspace'}=$cuname.'@'.$cudom;
 
 # ------------------------------------------------ Check out directory hierachy
 
@@ -955,11 +1039,18 @@ sub publish {
 
         my $currentpath='/home/'.$cuname.'/';
 
+	my $prefix='../'x($#urlparts);
         foreach (@urlparts) {
 	    $currentpath.=$_.'/';
-            $scrout.=&metaread($logfile,$currentpath.'default.meta');
+            $scrout.=&metaread($logfile,$currentpath.'default.meta',$prefix);
+	    $prefix=~s|^\.\./||;
         }
 
+# ----------------------------------------------------------- Parse file itself
+# read %metadatafields from file itself
+ 
+	$allmeta=&parseformeta($source,$style);
+
 # ------------------- Clear out parameters and stores (there should not be any)
 
         foreach (keys %metadatafields) {
@@ -979,20 +1070,21 @@ sub publish {
 		delete $metadatafields{$_};
             }
         }
-        
-    }
-
-# -------------------------------------------------- Parse content for metadata
-    if (($style eq 'ssi') || ($style eq 'prv')) {
-	my $dir=$source;
-	$dir=~s-/[^/]*$--;
-	my $file=$source;
-	$file=(split('/',$file))[-1];
-        $source=&Apache::lonnet::hreflocation($dir,$file);
-	$allmeta=&Apache::lonnet::ssi_body($source,('grade_target' => 'meta'));
+# ------------------------------------------------------------- Save some stuff
+        my %savemeta=();
+        foreach ('title') {
+            $savemeta{$_}=$metadatafields{$_};
+	}
+# ------------------------------------------ See if anything new in file itself
+ 
+	$allmeta=&parseformeta($source,$style);
+# ----------------------------------------------------------- Restore the stuff
+        foreach (keys %savemeta) {
+	    $metadatafields{$_}=$savemeta{$_};
+	}
+   }
 
-        &metaeval($allmeta);
-    }
+       
 # ---------------- Find and document discrepancies in the parameters and stores
 
     my $chparms='';
@@ -1023,7 +1115,9 @@ sub publish {
     }
     if ($chparms) {
 	$scrout.='<p><b>'.&mt('Obsolete parameters or stored values').':</b> '.
-	    $chparms.'</p>';
+	    $chparms.'</p><h1><font color="red">'.&mt('Warning!').
+	    '</font></h1><p><font color="red" size="+1">'.
+	    &mt('If this resource is in active use, student performance data from the previous version may become inaccessible.').'</font></p><hr />';
     }
 
 # ------------------------------------------------------- Now have all metadata
@@ -1047,29 +1141,41 @@ sub publish {
     }
 
             
-    foreach (split(/\W+/,$metadatafields{'keywords'})) {
-	$keywords{$_}=1;
+    foreach my $addkey (split(/[\"\'\,\;]/,$metadatafields{'keywords'})) {
+	$addkey=~s/\s+/ /g;
+	$addkey=~s/^\s//;
+	$addkey=~s/\s$//;
+	if ($addkey=~/\w/) {
+	    $keywords{$addkey}=1;
+	}
     }
 # --------------------------------------------------- Now we also have keywords
 # =============================================================================
-# INTERACTIVE MODE
-#
-    unless ($batch) {
-        $scrout.=
-	    '<form name="pubform" action="/adm/publish" method="post">'.
-            '<p><input type="submit" value="Finalize Publication" /></p>'.
-            &hiddenfield('phase','two').
-            &hiddenfield('filename',$ENV{'form.filename'}).
-	    &hiddenfield('allmeta',&Apache::lonnet::escape($allmeta)).
-            &hiddenfield('dependencies',join(',',keys %allow)).
-            &textfield('Title','title',$metadatafields{'title'}).
-            &textfield('Author(s)','author',$metadatafields{'author'}).
-	    &textfield('Subject','subject',$metadatafields{'subject'});
-
-# --------------------------------------------------- Scan content for keywords
-
-        my $keywords_help = Apache::loncommon::help_open_topic("Publishing_Keywords");
-	my $keywordout=<<"END";
+# interactive mode html goes into $intr_scrout
+# batch mode throws away this HTML
+# additionally all of the field functions have a by product of setting
+#   $env{'from.'..} so that it can be used by the phase two handler in
+#    batch mode
+
+    my $intr_scrout.=
+	'<form name="pubform" action="/adm/publish" method="post">'.
+	'<p>'.($env{'form.makeobsolete'}?'':'<input type="submit" value="'.&mt('Finalize Publication').'" />').'</p>'.
+	&hiddenfield('phase','two').
+	&hiddenfield('filename',$env{'form.filename'}).
+	&hiddenfield('allmeta',&Apache::lonnet::escape($allmeta)).
+	&hiddenfield('dependencies',join(',',keys %allow));
+    unless ($env{'form.makeobsolete'}) {
+       $intr_scrout.=
+	&textfield('Title','title',$metadatafields{'title'}).
+	&textfield('Author(s)','author',$metadatafields{'author'}).
+	&textfield('Subject','subject',$metadatafields{'subject'});
+ # --------------------------------------------------- Scan content for keywords
+
+    my $keywords_help = Apache::loncommon::help_open_topic("Publishing_Keywords");
+    my $KEYWORDS=&mt('Keywords');
+    my $CheckAll=&mt('check all');
+    my $UncheckAll=&mt('uncheck all');
+    my $keywordout=<<"END";
 <script>
 function checkAll(field) {
     for (i = 0; i < field.length; i++)
@@ -1081,145 +1187,172 @@ function uncheckAll(field) {
         field[i].checked = false ;
 }
 </script>
-<p><font color="#800000" face="helvetica"><b>KEYWORDS:</b></font>
+<p><font color="#800000" face="helvetica"><b>$KEYWORDS:</b></font>
  $keywords_help</b>
-<input type="button" value="check all" onclick="javascript:checkAll(document.pubform.keywords)" /> 
-<input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.pubform.keywords)" /> 
+<input type="button" value="$CheckAll" onclick="javascript:checkAll(document.pubform.keywords)" /> 
+<input type="button" value="$UncheckAll" onclick="javascript:uncheckAll(document.pubform.keywords)" /> 
 </p>
 <br />
 END
-	$keywordout.='<table border="2"><tr>';
-	my $colcount=0;
+    $keywordout.='<table border="2"><tr>';
+    my $colcount=0;
 
-	foreach (sort keys %keywords) {
-	    $keywordout.='<td><input type="checkbox" name="keywords" value="'.$_.'"';
-	    if ($metadatafields{'keywords'}) {
-		if ($metadatafields{'keywords'}=~/\Q$_\E/) {
-		    $keywordout.=' checked="on"';
-		}
-	    } elsif (&Apache::loncommon::keyword($_)) {
+    foreach (sort keys %keywords) {
+	$keywordout.='<td><label><input type="checkbox" name="keywords" value="'.$_.'"';
+	if ($metadatafields{'keywords'}) {
+	    if ($metadatafields{'keywords'}=~/\Q$_\E/) {
 		$keywordout.=' checked="on"';
+		$env{'form.keywords'}.=$_.',';
 	    }
-	    $keywordout.=' />'.$_.'</td>';
-	    if ($colcount>10) {
-		$keywordout.="</tr><tr>\n";
-		$colcount=0;
-	    }
-	    $colcount++;
+	} elsif (&Apache::loncommon::keyword($_)) {
+	    $keywordout.=' checked="on"';
+	    $env{'form.keywords'}.=$_.',';
+	}
+	$keywordout.=' />'.$_.'</label></td>';
+	if ($colcount>10) {
+	    $keywordout.="</tr><tr>\n";
+	    $colcount=0;
 	}
+	$colcount++;
+    }
+    $env{'form.keywords'}=~s/\,$//;
 
-	$keywordout.='</tr></table>';
+    $keywordout.='</tr></table>';
 
-	$scrout.=$keywordout;
+    $intr_scrout.=$keywordout;
 
-	$scrout.=&textfield('Additional Keywords','addkey','');
+    $intr_scrout.=&textfield('Additional Keywords','addkey','');
 
-	$scrout.=&textfield('Notes','notes',$metadatafields{'notes'});
+    $intr_scrout.=&textfield('Notes','notes',$metadatafields{'notes'});
 
-	$scrout.=
-	    "\n<p><font color=\"#800000\" face=\"helvetica\"><b>ABSTRACT:".
-	    "</b></font></p><br />".
-	    '<textarea cols="80" rows="5" name="abstract">'.
-	    $metadatafields{'abstract'}.'</textarea></p>';
+    $intr_scrout.=
+	"\n<p><font color=\"#800000\" face=\"helvetica\"><b>".&mt('Abstract').":".
+	"</b></font></p><br />".
+	'<textarea cols="80" rows="5" name="abstract">'.
+	$metadatafields{'abstract'}.'</textarea></p>';
 
-	$source=~/\.(\w+)$/;
+    $source=~/\.(\w+)$/;
 
-	$scrout.=&hiddenfield('mime',$1);
 
-	my $defaultlanguage=$metadatafields{'language'};
-	$defaultlanguage =~ s/\s*notset\s*//g;
-	$defaultlanguage =~ s/^,\s*//g;
-	$defaultlanguage =~ s/,\s*$//g;
+    $intr_scrout.=
+	"\n<p><font color=\"#800000\" face=\"helvetica\"><b>".
+	&mt('Lowest Grade Level').':'.
+	"</b></font></p><br />".
+	&select_level_form($metadatafields{'lowestgradelevel'},'lowestgradelevel').
+	"\n<p><font color=\"#800000\" face=\"helvetica\"><b>".
+	&mt('Highest Grade Level').':'.
+	"</b></font></p><br />".
+	&select_level_form($metadatafields{'highestgradelevel'},'highestgradelevel').
+	&textfield('Standards','standards',$metadatafields{'standards'});
 
-	$scrout.=&selectbox('Language','language',
-			    $defaultlanguage,
-			    \&Apache::loncommon::languagedescription,
-			    (&Apache::loncommon::languageids),
-			   );
 
-	unless ($metadatafields{'creationdate'}) {
-	    $metadatafields{'creationdate'}=time;
-	}
-	$scrout.=&hiddenfield('creationdate',
-			      &Apache::loncommon::unsqltime($metadatafields{'creationdate'}));
 
-	$scrout.=&hiddenfield('lastrevisiondate',time);
 
+    $intr_scrout.=&hiddenfield('mime',$1);
+
+    my $defaultlanguage=$metadatafields{'language'};
+    $defaultlanguage =~ s/\s*notset\s*//g;
+    $defaultlanguage =~ s/^,\s*//g;
+    $defaultlanguage =~ s/,\s*$//g;
+
+    $intr_scrout.=&selectbox('Language','language',
+			     $defaultlanguage,
+			     \&Apache::loncommon::languagedescription,
+			     (&Apache::loncommon::languageids),
+			     );
+
+    unless ($metadatafields{'creationdate'}) {
+	$metadatafields{'creationdate'}=time;
+    }
+    $intr_scrout.=&hiddenfield('creationdate',
+			       &Apache::lonmysql::unsqltime($metadatafields{'creationdate'}));
+
+    $intr_scrout.=&hiddenfield('lastrevisiondate',time);
 
-	$scrout.=&textfield('Publisher/Owner','owner',
-			    $metadatafields{'owner'});
 
+    $intr_scrout.=&textfield('Publisher/Owner','owner',
+			     $metadatafields{'owner'});
+
+# ---------------------------------------------- Retrofix for unused copyright
+    if ($metadatafields{'copyright'} eq 'free') {
+	$metadatafields{'copyright'}='default';
+	$metadatafields{'sourceavail'}='open';
+    }
+# ------------------------------------------------ Dial in reasonable defaults
+    my $defaultoption=$metadatafields{'copyright'};
+    unless ($defaultoption) { $defaultoption='default'; }
+    my $defaultsourceoption=$metadatafields{'sourceavail'};
+    unless ($defaultsourceoption) { $defaultsourceoption='closed'; }
+    unless ($style eq 'prv') {
 # -------------------------------------------------- Correct copyright for rat.
-        my $defaultoption=$metadatafields{'copyright'};
-        unless ($defaultoption) { $defaultoption='default'; }
-	unless ($style eq 'prv') {
-	    if ($style eq 'rat') {
-		if ($metadatafields{'copyright'} eq 'public') { 
-		    delete $metadatafields{'copyright'};
-                    $defaultoption='default';
-		}
-		$scrout.=&selectbox('Copyright/Distribution','copyright',
-				    $defaultoption,
-				    \&Apache::loncommon::copyrightdescription,
-				    (grep !/^public$/,(&Apache::loncommon::copyrightids)));
-	    } else {
-		$scrout.=&selectbox('Copyright/Distribution','copyright',
-				    $defaultoption,
-				    \&Apache::loncommon::copyrightdescription,
-				    (&Apache::loncommon::copyrightids));
+	if ($style eq 'rat') {
+# -------------------------------------- Retrofix for non-applicable copyright
+	    if ($metadatafields{'copyright'} eq 'public') { 
+		delete $metadatafields{'copyright'};
+		$defaultoption='default';
 	    }
-    
-	    my $copyright_help =
-		Apache::loncommon::help_open_topic('Publishing_Copyright');
-	    $scrout =~ s/DISTRIBUTION:/'DISTRIBUTION: ' . $copyright_help/ge;
-	    $scrout.=&textfield('Custom Distribution File','customdistributionfile',
-				$metadatafields{'customdistributionfile'}).
-				    $copyright_help;
-	    my $uctitle=uc(&mt('Obsolete'));
-            $scrout.=
-		"\n<p><font color=\"#800000\" face=\"helvetica\"><b>$uctitle:".
-		'</b></font> <input type="checkbox" name="obsolete" ';
-	    if ($metadatafields{'obsolete'}) {
-		$scrout.=' checked="1" ';
-	    }
-	    $scrout.='/ ></p>'.
-		&textfield('Suggested Replacement for Obsolete File',
-				    'obsoletereplacement',
-				    $metadatafields{'obsoletereplacement'});
+	    $intr_scrout.=&selectbox('Copyright/Distribution','copyright',
+				     $defaultoption,
+				     \&Apache::loncommon::copyrightdescription,
+				    (grep !/^public$/,(&Apache::loncommon::copyrightids)));
 	} else {
-	    $scrout.=&hiddenfield('copyright','private');
-	}
-	return ($scrout.'<p><input type="submit" value="'.
-		&mt('Finalize Publication').'" /></p></form>',0);
-# =============================================================================
-# BATCH MODE
-#
-    } else {
-# Transfer metadata directly to environment for stage 2
-	foreach (keys %metadatafields) {
-	    $ENV{'form.'.$_}=$metadatafields{$_};
-	}
-	$ENV{'form.addkey'}='';
-	$ENV{'form.keywords'}='';
-	foreach (keys %keywords) {
-	    if ($metadatafields{'keywords'}) {
-		if ($metadatafields{'keywords'}=~/\Q$_\E/) { 
-		    $ENV{'form.keywords'}.=$_.','; 
-		}
-	    } elsif (&Apache::loncommon::keyword($_)) {
-		$ENV{'form.keywords'}.=$_.',';
-	    }
+	    $intr_scrout.=&selectbox('Copyright/Distribution','copyright',
+				     $defaultoption,
+				     \&Apache::loncommon::copyrightdescription,
+				     (&Apache::loncommon::copyrightids));
 	}
-	$ENV{'form.keywords'}=~s/\,$//;
-	unless ($ENV{'form.creationdate'}) { $ENV{'form.creationdate'}=time; }
-	$ENV{'form.lastrevisiondate'}=time;
-	if ((($style eq 'rat') && ($ENV{'form.copyright'} eq 'public')) ||
-	    (!$ENV{'form.copyright'})) { 
-	    $ENV{'form.copyright'}='default';
+	my $copyright_help =
+	    Apache::loncommon::help_open_topic('Publishing_Copyright');
+	$intr_scrout =~ s/Distribution:/'Distribution: ' . $copyright_help/ge;
+	$intr_scrout.=&text_with_browse_field('Custom Distribution File','customdistributionfile',$metadatafields{'customdistributionfile'},'rights').$copyright_help;
+	$intr_scrout.=&selectbox('Source Distribution','sourceavail',
+				 $defaultsourceoption,
+				 \&Apache::loncommon::source_copyrightdescription,
+				 (&Apache::loncommon::source_copyrightids));
+#	$intr_scrout.=&text_with_browse_field('Source Custom Distribution File','sourcerights',$metadatafields{'sourcerights'},'rights');
+	my $uctitle=&mt('Obsolete');
+	$intr_scrout.=
+	    "\n<p><font color=\"#800000\" face=\"helvetica\"><b>$uctitle:".
+	    '</b></font> <input type="checkbox" name="obsolete" ';
+	if ($metadatafields{'obsolete'}) {
+	    $intr_scrout.=' checked="1" ';
 	}
-	$ENV{'form.allmeta'}=&Apache::lonnet::escape($allmeta);
-	return ($scrout,0);
+	$intr_scrout.='/ ></p>'.
+	    &text_with_browse_field('Suggested Replacement for Obsolete File',
+				    'obsoletereplacement',
+				    $metadatafields{'obsoletereplacement'});
+    } else {
+	$intr_scrout.=&hiddenfield('copyright','private');
     }
+   } else {
+       $intr_scrout.=
+	&hiddenfield('title',$metadatafields{'title'}).
+	&hiddenfield('author',$metadatafields{'author'}).
+	&hiddenfield('subject',$metadatafields{'subject'}).
+	&hiddenfield('keywords',$metadatafields{'keywords'}).
+	&hiddenfield('abstract',$metadatafields{'abstract'}).
+	&hiddenfield('notes',$metadatafields{'notes'}).
+	&hiddenfield('mime',$metadatafields{'mime'}).
+	&hiddenfield('creationdate',$metadatafields{'creationdate'}).
+	&hiddenfield('lastrevisiondate',time).
+	&hiddenfield('owner',$metadatafields{'owner'}).
+	&hiddenfield('lowestgradelevel',$metadatafields{'lowestgradelevel'}).
+	&hiddenfield('standards',$metadatafields{'standards'}).
+	&hiddenfield('highestgradelevel',$metadatafields{'highestgradelevel'}).
+	&hiddenfield('language',$metadatafields{'language'}).
+	&hiddenfield('copyright',$metadatafields{'copyright'}).
+	&hiddenfield('sourceavail',$metadatafields{'sourceavail'}).
+	&hiddenfield('customdistributionfile',$metadatafields{'customdistributionfile'}).
+	&hiddenfield('obsolete',1).
+	&text_with_browse_field('Suggested Replacement for Obsolete File',
+				    'obsoletereplacement',
+				    $metadatafields{'obsoletereplacement'});
+   }
+    if (!$batch) {
+	$scrout.=$intr_scrout.'<p><input type="submit" value="'.
+	    &mt($env{'form.makeobsolete'}?'Make Obsolete':'Finalize Publication').'" /></p></form>';
+    }
+    return($scrout,0);
 }
 
 #########################################
@@ -1250,10 +1383,10 @@ Returns:
 
 =over 4
 
-=item Scalar string
+=item integer
 
-String contains status (errors and warnings) and information associated with
-the server's attempts at publication.     
+0: fail
+1: success
 
 =cut
 
@@ -1265,13 +1398,29 @@ sub phasetwo {
     my ($r,$source,$target,$style,$distarget,$batch)=@_;
     $source=~s/\/+/\//g;
     $target=~s/\/+/\//g;
-
-    if ($target=~/\_\_\_/) {
-	$r->print(
- '<font color="red">'.&mt('Unsupported character combination').
-		  ' "<tt>___</tt>" '.&mt('in filename, FAIL').'</font>');
-        return 0;
+#
+# Unless trying to get rid of something, check name validity
+#
+    unless ($env{'form.obsolete'}) {
+	if ($target=~/(\_\_\_|\&\&\&|\:\:\:)/) {
+	    $r->print(
+		      '<font color="red">'.&mt('Unsupported character combination').
+		      ' "<tt>'.$1.'</tt>" '.&mt('in filename, FAIL').'</font>');
+	    return 0;
+	}
+	unless ($target=~/\.(\w+)$/) {
+	    $r->print('<font color="red">'.&mt('No valid extension found in filename, FAIL').'</font>');
+	    return 0;
+	}
+	if ($target=~/\.(\d+)\.(\w+)$/) {
+	    $r->print('<font color="red">'.&mt('Cannot publish versioned resource, FAIL').'</font>');
+	    return 0;
+	}
     }
+
+#
+# End name check
+#
     $distarget=~s/\/+/\//g;
     my $logfile;
     unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
@@ -1281,50 +1430,71 @@ sub phasetwo {
         return 0;
     }
     print $logfile 
-        "\n================= Publish ".localtime()." Phase Two  ================\n".$ENV{'user.name'}.'@'.$ENV{'user.domain'}."\n";
+        "\n================= Publish ".localtime()." Phase Two  ================\n".$env{'user.name'}.'@'.$env{'user.domain'}."\n";
     
     %metadatafields=();
     %metadatakeys=();
+
+    &metaeval(&Apache::lonnet::unescape($env{'form.allmeta'}));
     
-    &metaeval(&Apache::lonnet::unescape($ENV{'form.allmeta'}));
-    
-    $metadatafields{'title'}=$ENV{'form.title'};
-    $metadatafields{'author'}=$ENV{'form.author'};
-    $metadatafields{'subject'}=$ENV{'form.subject'};
-    $metadatafields{'notes'}=$ENV{'form.notes'};
-    $metadatafields{'abstract'}=$ENV{'form.abstract'};
-    $metadatafields{'mime'}=$ENV{'form.mime'};
-    $metadatafields{'language'}=$ENV{'form.language'};
-    $metadatafields{'creationdate'}=$ENV{'form.creationdate'};
-    $metadatafields{'lastrevisiondate'}=$ENV{'form.lastrevisiondate'};
-    $metadatafields{'owner'}=$ENV{'form.owner'};
-    $metadatafields{'copyright'}=$ENV{'form.copyright'};
+    $metadatafields{'title'}=$env{'form.title'};
+    $metadatafields{'author'}=$env{'form.author'};
+    $metadatafields{'subject'}=$env{'form.subject'};
+    $metadatafields{'notes'}=$env{'form.notes'};
+    $metadatafields{'abstract'}=$env{'form.abstract'};
+    $metadatafields{'mime'}=$env{'form.mime'};
+    $metadatafields{'language'}=$env{'form.language'};
+    $metadatafields{'creationdate'}=$env{'form.creationdate'};
+    $metadatafields{'lastrevisiondate'}=$env{'form.lastrevisiondate'};
+    $metadatafields{'owner'}=$env{'form.owner'};
+    $metadatafields{'copyright'}=$env{'form.copyright'};
+    $metadatafields{'standards'}=$env{'form.standards'};
+    $metadatafields{'lowestgradelevel'}=$env{'form.lowestgradelevel'};
+    $metadatafields{'highestgradelevel'}=$env{'form.highestgradelevel'};
     $metadatafields{'customdistributionfile'}=
-                                 $ENV{'form.customdistributionfile'};
-    $metadatafields{'obsolete'}=$ENV{'form.obsolete'};
+                                 $env{'form.customdistributionfile'};
+    $metadatafields{'sourceavail'}=$env{'form.sourceavail'};
+    $metadatafields{'obsolete'}=$env{'form.obsolete'};
     $metadatafields{'obsoletereplacement'}=
-	                        $ENV{'form.obsoletereplacement'};
-    $metadatafields{'dependencies'}=$ENV{'form.dependencies'};
+	                        $env{'form.obsoletereplacement'};
+    $metadatafields{'dependencies'}=$env{'form.dependencies'};
+    $metadatafields{'modifyinguser'}=$env{'user.name'}.'@'.
+	                                 $env{'user.domain'};
+    $metadatafields{'authorspace'}=$cuname.'@'.$cudom;
     
-    my $allkeywords=$ENV{'form.addkey'};
-    if (exists($ENV{'form.keywords'})) {
-        if (ref($ENV{'form.keywords'})) {
-            $allkeywords .= ','.join(',',@{$ENV{'form.keywords'}});
+    my $allkeywords=$env{'form.addkey'};
+    if (exists($env{'form.keywords'})) {
+        if (ref($env{'form.keywords'})) {
+            $allkeywords .= ','.join(',',@{$env{'form.keywords'}});
         } else {
-            $allkeywords .= ','.$ENV{'form.keywords'};
+            $allkeywords .= ','.$env{'form.keywords'};
         }
     }
-    $allkeywords=~s/\W+/\,/;
-    $allkeywords=~s/^\,//;
+    $allkeywords=~s/[\"\']//g;
+    $allkeywords=~s/\s*[\;\,]\s*/\,/g;
+    $allkeywords=~s/\s+/ /g;
+    $allkeywords=~s/^[ \,]//;
+    $allkeywords=~s/[ \,]$//;
     $metadatafields{'keywords'}=$allkeywords;
     
+# check if custom distribution file is specified
+    if ($metadatafields{'copyright'} eq 'custom') {
+	my $file=$metadatafields{'customdistributionfile'};
+	unless ($file=~/\.rights$/) {
+            $r->print(
+                '<font color="red">'.&mt('No valid custom distribution rights file specified, FAIL').
+		'</font>');
+	    return 0;
+        }
+    }
     {
         print $logfile "\nWrite metadata file for ".$source;
         my $mfh;
         unless ($mfh=Apache::File->new('>'.$source.'.meta')) {
-            return 
+            $r->print( 
                 '<font color="red">'.&mt('Could not write metadata, FAIL').
-		'</font>';
+		'</font>');
+	    return 0;
         }
         foreach (sort keys %metadatafields) {
             unless ($_=~/\./) {
@@ -1339,7 +1509,7 @@ sub phasetwo {
                     print $mfh ' '.$_.'="'.$value.'"';
                 }
                 print $mfh '>'.
-                    &HTML::Entities::encode($metadatafields{$unikey})
+                    &HTML::Entities::encode($metadatafields{$unikey},'<>&"')
                         .'</'.$tag.'>';
             }
         }
@@ -1351,21 +1521,19 @@ sub phasetwo {
 
     $metadatafields{'url'} = $distarget;
     $metadatafields{'version'} = 'current';
-    unless ($metadatafields{'copyright'} eq 'priv') {
-        my ($error,$success) = &store_metadata(\%metadatafields);
-        if ($success) {
-            $r->print('<p>'.&mt('Synchronized SQL metadata database').'</p>');
-            print $logfile "\nSynchronized SQL metadata database";
-        } else {
-            $r->print($error);
-            print $logfile "\n".$error;
-        }
+
+    my ($error,$success) = &store_metadata(%metadatafields);
+    if ($success) {
+	$r->print('<p>'.&mt('Synchronized SQL metadata database').'</p>');
+	print $logfile "\nSynchronized SQL metadata database";
     } else {
-        $r->print('<p>'.
-	     &mt('Private Publication - did not synchronize database').'</p>');
-        print $logfile "\nPrivate: Did not synchronize data into ".
-            "SQL metadata database";
+	$r->print($error);
+	print $logfile "\n".$error;
     }
+# --------------------------------------------- Delete author resource messages
+    my $delresult=&Apache::lonmsg::del_url_author_res_msg($target); 
+    $r->print('<p>'.&mt('Removing error messages:').' '.$delresult.'</p>');
+    print $logfile "\nRemoving error messages: $delresult";
 # ----------------------------------------------------------- Copy old versions
    
     if (-e $target) {
@@ -1377,7 +1545,9 @@ sub phasetwo {
         my $srcd=$1;
         unless ($srcd=~/^\/home\/httpd\/html\/res/) {
             print $logfile "\nPANIC: Target dir is ".$srcd;
-            return "<font color=\"red\">Invalid target directory, FAIL</font>";
+            $r->print(
+	 "<font color=\"red\">Invalid target directory, FAIL</font>");
+	    return 0;
         }
         opendir(DIR,$srcd);
         while ($filename=readdir(DIR)) {
@@ -1402,8 +1572,9 @@ sub phasetwo {
             $r->print('<p>'.&mt('Copied old target file').'</p>');
         } else {
 	    print $logfile "Unable to write ".$copyfile.':'.$!."\n";
-            return "<font color=\"red\">".&mt('Failed to copy old target').
-		", $!, ".&mt('FAIL')."</font>";
+            $r->print("<font color=\"red\">".&mt('Failed to copy old target').
+		", $!, ".&mt('FAIL')."</font>");
+	    return 0;
         }
         
 # --------------------------------------------------------------- Copy Metadata
@@ -1416,9 +1587,10 @@ sub phasetwo {
         } else {
 	    print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
             if (-e $target.'.meta') {
-                return 
+                $r->print( 
                     "<font color=\"red\">".
-&mt('Failed to write old metadata copy').", $!, ".&mt('FAIL')."</font>";
+&mt('Failed to write old metadata copy').", $!, ".&mt('FAIL')."</font>");
+		return 0;
 	    }
         }
         
@@ -1449,8 +1621,9 @@ sub phasetwo {
         $r->print('<p>'.&mt('Copied source file').'</p>');
     } else {
         print $logfile "\nUnable to write ".$copyfile.':'.$!."\n";
-        return "<font color=\"red\">".
-	    &mt('Failed to copy source').", $!, ".&mt('FAIL')."</font>";
+        $r->print("<font color=\"red\">".
+	    &mt('Failed to copy source').", $!, ".&mt('FAIL')."</font>");
+	return 0;
     }
     
 # --------------------------------------------------------------- Copy Metadata
@@ -1462,45 +1635,17 @@ sub phasetwo {
         $r->print('<p>'.&mt('Copied metadata').'</p>');
     } else {
         print $logfile "\nUnable to write metadata ".$copyfile.':'.$!."\n";
-        return 
-            "<font color=\"red\">".&mt('Failed to write metadata copy').", $!, ".&mt('FAIL')."</font>";
+        $r->print(
+            "<font color=\"red\">".&mt('Failed to write metadata copy').", $!, ".&mt('FAIL')."</font>");
+	return 0;
     }
     $r->rflush;
-# --------------------------------------------------- Send update notifications
 
-    my @subscribed=&get_subscribed_hosts($target);
-    foreach my $subhost (@subscribed) {
-	$r->print('<p>'.&mt('Notifying host').' '.$subhost.':');$r->rflush;
-	print $logfile "\nNotifying host ".$subhost.':';
-	my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
-	$r->print($reply.'</p><br />');$r->rflush;
-	print $logfile $reply;
-    }
-    
-# ---------------------------------------- Send update notifications, meta only
-
-    my @subscribedmeta=&get_subscribed_hosts("$target.meta");
-    foreach my $subhost (@subscribedmeta) {
-	$r->print('<p>'.
-&mt('Notifying host for metadata only').' '.$subhost.':');$r->rflush;
-	print $logfile "\nNotifying host for metadata only ".$subhost.':';
-	my $reply=&Apache::lonnet::critical('update:'.$target.'.meta',
-					    $subhost);
-	$r->print($reply.'</p><br />');$r->rflush;
-	print $logfile $reply;
-    }
-    
-# --------------------------------------------------- Notify subscribed courses
-    my %courses=&coursedependencies($target);
-    my $now=time;
-    foreach (keys %courses) {
-	$r->print('<p>'.&mt('Notifying course').' '.$_.':');$r->rflush;
-	print $logfile "\nNotifying host ".$_.':';
-        my ($cdom,$cname)=split(/\_/,$_);
-	my $reply=&Apache::lonnet::cput
-                  ('versionupdate',{$target => $now},$cdom,$cname);
-	$r->print($reply.'</p><br />');$r->rflush;
-	print $logfile $reply;
+# ------------------------------------------------------------- Trigger updates
+    push(@{$modified_urls},[$target,$source]);
+    unless ($registered_cleanup) {
+	$r->register_cleanup(\&notify);
+	$registered_cleanup=1;
     }
 # ------------------------------------------------ Provide link to new resource
     unless ($batch) {
@@ -1523,14 +1668,54 @@ sub phasetwo {
                    '"><font size="+2">'.
 		  &mt('Back to Source Directory').'</font></a></p>');
     }
+    $logfile->close();
+    $r->print('<p><font color="green">'.&mt('Done').'</font></p>');
+    return 1;
+}
+
+# =============================================================== Notifications
+sub notify {  
+# --------------------------------------------------- Send update notifications
+    foreach my $targetsource (@{$modified_urls}){
+	my ($target,$source)=@{$targetsource};
+	my $logfile=Apache::File->new('>>'.$source.'.log');
+	print $logfile "\nCleanup phase: Notifications\n";
+	my @subscribed=&get_subscribed_hosts($target);
+	foreach my $subhost (@subscribed) {
+	    print $logfile "\nNotifying host ".$subhost.':';
+	    my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
+	    print $logfile $reply;
+	}
+# ---------------------------------------- Send update notifications, meta only
+	my @subscribedmeta=&get_subscribed_hosts("$target.meta");
+	foreach my $subhost (@subscribedmeta) {
+	    print $logfile "\nNotifying host for metadata only ".$subhost.':';
+	    my $reply=&Apache::lonnet::critical('update:'.$target.'.meta',
+						$subhost);
+	    print $logfile $reply;
+	} 
+# --------------------------------------------------- Notify subscribed courses
+	my %courses=&coursedependencies($target);
+	my $now=time;
+	foreach (keys %courses) {
+	    print $logfile "\nNotifying course ".$_.':';
+	    my ($cdom,$cname)=split(/\_/,$_);
+	    my $reply=&Apache::lonnet::cput
+		('versionupdate',{$target => $now},$cdom,$cname);
+	    print $logfile $reply;
+	}
+	print $logfile "\n============ Done ============\n";
+	$logfile->close();
+    }
+    return OK;
 }
 
 #########################################
 
 sub batchpublish {
     my ($r,$srcfile,$targetfile)=@_;
-    #publication pollutes %ENV with form.* values
-    my %oldENV=%ENV;
+    #publication pollutes %env with form.* values
+    my %oldenv=%env;
     $srcfile=~s/\/+/\//g;
     $targetfile=~s/\/+/\//g;
     my $thisdisfn=$srcfile;
@@ -1542,15 +1727,13 @@ sub batchpublish {
     $thisdistarget=~s/^\Q$docroot\E//;
 
 
-    undef %metadatafields;
-    undef %metadatakeys;
-     %metadatafields=();
-     %metadatakeys=();
-      $srcfile=~/\.(\w+)$/;
-      my $thistype=$1;
+    %metadatafields=();
+    %metadatakeys=();
+    $srcfile=~/\.(\w+)$/;
+    my $thistype=$1;
 
 
-      my $thisembstyle=&Apache::loncommon::fileembstyle($thistype);
+    my $thisembstyle=&Apache::loncommon::fileembstyle($thistype);
      
     $r->print('<h2>'.&mt('Publishing').' <tt>'.$thisdisfn.'</tt></h2>');
 
@@ -1560,13 +1743,13 @@ sub batchpublish {
     $r->print('<p>'.$outstring.'</p>');
 # phase two takes
 # my ($source,$target,$style,$distarget,batch)=@_;
-# $ENV{'form.allmeta'},$ENV{'form.title'},$ENV{'form.author'},...
+# $env{'form.allmeta'},$env{'form.title'},$env{'form.author'},...
     if (!$error) {
 	$r->print('<p>');
 	&phasetwo($r,$srcfile,$targetfile,$thisembstyle,$thisdistarget,1);
 	$r->print('</p>');
     }
-    %ENV=%oldENV;
+    %env=%oldenv;
     return '';
 }
 
@@ -1577,53 +1760,122 @@ sub publishdirectory {
     $fn=~s/\/+/\//g;
     $thisdisfn=~s/\/+/\//g;
     my $resdir=
-    $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$cudom.'/'.$cuname.'/'.
-      $thisdisfn;
-      $r->print('<h1>Directory <tt>'.$thisdisfn.'</tt></h1>'.
-                'Target: <tt>'.$resdir.'</tt><br />');
-
-      my $dirptr=16384;		# Mask indicating a directory in stat.cmode.
-
-      opendir(DIR,$fn);
-      my @files=sort(readdir(DIR));
-      foreach my $filename (@files) {
-         my ($cdev,$cino,$cmode,$cnlink,
-            $cuid,$cgid,$crdev,$csize,
-            $catime,$cmtime,$cctime,
-            $cblksize,$cblocks)=stat($fn.'/'.$filename);
-
-         my $extension='';
-         if ($filename=~/\.(\w+)$/) { $extension=$1; }
-         if ($cmode&$dirptr) {
-	   if (($filename!~/^\./) && ($ENV{'form.pubrec'})) {
-	      &publishdirectory($r,$fn.'/'.$filename,$thisdisfn.'/'.$filename);
-	   }
-         } elsif ((&Apache::loncommon::fileembstyle($extension) ne 'hdn') &&
-                  ($filename!~/^[\#\.]/) && ($filename!~/\~$/)) {
+	$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$cudom.'/'.$cuname.'/'.
+	$thisdisfn;
+    $r->print('<h1>'.&mt('Directory').' <tt>'.$thisdisfn.'</tt></h1>'.
+	      &mt('Target').': <tt>'.$resdir.'</tt><br />');
+
+    my $dirptr=16384;		# Mask indicating a directory in stat.cmode.
+    unless ($env{'form.phase'} eq 'two') {
+# ask user what they want
+        $r->print('<form name="pubdirpref" method="post">'.
+		  &hiddenfield('phase','two').
+		  &hiddenfield('filename',$env{'form.filename'}).
+		  &checkbox('pubrec','include subdirectories').
+		  &checkbox('forcerepub','force republication of previously published files').
+                  &checkbox('forceobsolete','make file(s) obsolete').
+		  &checkbox('forceoverride','force directory level catalog information over existing').
+		  '<br /><input type="submit" value="'.&mt('Publish Directory').'" /></form>');
+    } else {
+# actually publish things
+	opendir(DIR,$fn);
+	my @files=sort(readdir(DIR));
+	foreach my $filename (@files) {
+	    my ($cdev,$cino,$cmode,$cnlink,
+		$cuid,$cgid,$crdev,$csize,
+		$catime,$cmtime,$cctime,
+		$cblksize,$cblocks)=stat($fn.'/'.$filename);
+	    
+	    my $extension='';
+	    if ($filename=~/\.(\w+)$/) { $extension=$1; }
+	    if ($cmode&$dirptr) {
+		if (($filename!~/^\./) && ($env{'form.pubrec'})) {
+		    &publishdirectory($r,$fn.'/'.$filename,$thisdisfn.'/'.$filename);
+		}
+	    } elsif ((&Apache::loncommon::fileembstyle($extension) ne 'hdn') &&
+		     ($filename!~/^[\#\.]/) && ($filename!~/\~$/)) {
 # find out publication status and/or exiting metadata
-	     my $publishthis=0;
-             if (-e $resdir.'/'.$filename) {
-	        my ($rdev,$rino,$rmode,$rnlink,
-	        $ruid,$rgid,$rrdev,$rsize,
-	        $ratime,$rmtime,$rctime,
-	        $rblksize,$rblocks)=stat($resdir.'/'.$filename);
-	        if (($rmtime<$cmtime) || ($ENV{'form.forcerepub'})) {
+		my $publishthis=0;
+		if (-e $resdir.'/'.$filename) {
+		    my ($rdev,$rino,$rmode,$rnlink,
+			$ruid,$rgid,$rrdev,$rsize,
+			$ratime,$rmtime,$rctime,
+			$rblksize,$rblocks)=stat($resdir.'/'.$filename);
+		    if (($rmtime<$cmtime) || ($env{'form.forcerepub'})) {
 # previously published, modified now
-		    $publishthis=1;
-                }
-	     } else {
+			$publishthis=1;
+		    }
+		} else {
 # never published
-		 $publishthis=1;
-	     }
-             if ($publishthis) {
-                &batchpublish($r,$fn.'/'.$filename,$resdir.'/'.$filename);
-	     } else {
-                 $r->print('<br />Skipping '.$filename.'<br />');
-             }
-             $r->rflush();
-         }
-      }
-      closedir(DIR);
+		    $publishthis=1;
+		}
+		if ($publishthis) {
+		    &batchpublish($r,$fn.'/'.$filename,$resdir.'/'.$filename);
+		} else {
+		    $r->print('<br />'.&mt('Skipping').' '.$filename.'<br />');
+		}
+		$r->rflush();
+	    }
+	}
+	closedir(DIR);
+    }
+}
+
+#########################################
+# publish a default.meta file
+
+sub defaultmetapublish {
+    my ($r,$fn,$cuname,$cudom)=@_;
+    $fn=~s/^\/\~$cuname\//\/home\/$cuname\/public_html\//;
+    unless (-e $fn) {
+       return HTTP_NOT_FOUND;
+    }
+    my $target=$fn;
+    $target=~s/^\/home\/$cuname\/public_html\//$Apache::lonnet::perlvar{'lonDocRoot'}\/res\/$cudom\/$cuname\//;
+
+
+    &Apache::loncommon::content_type($r,'text/html');
+    $r->send_http_header;
+
+    $r->print('<html><head><title>LON-CAPA Publishing</title></head>');
+    $r->print(&Apache::loncommon::bodytag('Catalog Information Publication'));
+
+# ---------------------------------------------------------------- Write Source
+    my $copyfile=$target;
+    
+    my @parts=split(/\//,$copyfile);
+    my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
+    
+    my $count;
+    for ($count=5;$count<$#parts;$count++) {
+        $path.="/$parts[$count]";
+        if ((-e $path)!=1) {
+            $r->print('<p>'.&mt('Created directory').' '.$parts[$count].'</p>');
+            mkdir($path,0777);
+        }
+    }
+    
+    if (copy($fn,$copyfile)) {
+        $r->print('<p>'.&mt('Copied source file').'</p>');
+    } else {
+        return "<font color=\"red\">".
+	    &mt('Failed to copy source').", $!, ".&mt('FAIL')."</font>";
+    }
+
+# --------------------------------------------------- Send update notifications
+
+    my @subscribed=&get_subscribed_hosts($target);
+    foreach my $subhost (@subscribed) {
+	$r->print('<p>'.&mt('Notifying host').' '.$subhost.':');$r->rflush;
+	my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
+	$r->print($reply.'</p><br />');$r->rflush;
+    }
+# ------------------------------------------------------------------- Link back
+    my $link=$fn;
+    $link=~s/^\/home\/$cuname\/public_html\//\/priv\/$cuname\//;
+    $r->print("<a href='$link'>".&mt('Back to Catalog Information').'</a>');
+    $r->print('</body></html>');
+    return OK;
 }
 #########################################
 
@@ -1666,171 +1918,197 @@ Publishing from $thisfn to $thistarget w
 #########################################
 #########################################
 sub handler {
-  my $r=shift;
+    my $r=shift;
 
-  if ($r->header_only) {
-     &Apache::loncommon::content_type($r,'text/html');
-     $r->send_http_header;
-     return OK;
-  }
+    if ($r->header_only) {
+	&Apache::loncommon::content_type($r,'text/html');
+	$r->send_http_header;
+	return OK;
+    }
 
 # Get query string for limited number of parameters
 
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                                             ['filename']);
 
+# -------------------------------------- Flag and buffer for registered cleanup
+    $registered_cleanup=0;
+    @{$modified_urls}=();
 # -------------------------------------------------------------- Check filename
 
-  my $fn=&Apache::lonnet::unescape($ENV{'form.filename'});
+    my $fn=&Apache::lonnet::unescape($env{'form.filename'});
 
+    ($cuname,$cudom)=
+	&Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
+
+# special publication: default.meta file
+    if ($fn=~/\/default.meta$/) {
+	return &defaultmetapublish($r,$fn,$cuname,$cudom); 
+    }
+    $fn=~s/\.meta$//;
   
-  unless ($fn) { 
-     $r->log_reason($cuname.' at '.$cudom.
-         ' trying to publish empty filename', $r->filename); 
-     return HTTP_NOT_FOUND;
-  } 
-
-  ($cuname,$cudom)=
-    &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
-  unless (($cuname) && ($cudom)) {
-     $r->log_reason($cuname.' at '.$cudom.
-         ' trying to publish file '.$ENV{'form.filename'}.
-         ' ('.$fn.') - not authorized', 
-         $r->filename); 
-     return HTTP_NOT_ACCEPTABLE;
-  }
-
-  unless (&Apache::lonnet::homeserver($cuname,$cudom) 
-          eq $r->dir_config('lonHostID')) {
-     $r->log_reason($cuname.' at '.$cudom.
-         ' trying to publish file '.$ENV{'form.filename'}.
-         ' ('.$fn.') - not homeserver ('.
-         &Apache::lonnet::homeserver($cuname,$cudom).')', 
-         $r->filename); 
-     return HTTP_NOT_ACCEPTABLE;
-  }
-
-  $fn=~s/^http\:\/\/[^\/]+//;
-  $fn=~s/^\/\~(\w+)/\/home\/$1\/public_html/;
-
-  my $targetdir='';
-  $docroot=$r->dir_config('lonDocRoot'); 
-  if ($1 ne $cuname) {
-     $r->log_reason($cuname.' at '.$cudom.
-         ' trying to publish unowned file '.$ENV{'form.filename'}.
-         ' ('.$fn.')', 
-         $r->filename); 
-     return HTTP_NOT_ACCEPTABLE;
-  } else {
-      $targetdir=$docroot.'/res/'.$cudom;
-  }
+    unless ($fn) { 
+	$r->log_reason($cuname.' at '.$cudom.
+		       ' trying to publish empty filename', $r->filename); 
+	return HTTP_NOT_FOUND;
+    } 
+
+    unless (($cuname) && ($cudom)) {
+	$r->log_reason($cuname.' at '.$cudom.
+		       ' trying to publish file '.$env{'form.filename'}.
+		       ' ('.$fn.') - not authorized', 
+		       $r->filename); 
+	return HTTP_NOT_ACCEPTABLE;
+    }
+
+    my $home=&Apache::lonnet::homeserver($cuname,$cudom);
+    my $allowed=0;
+    my @ids=&Apache::lonnet::current_machine_ids();
+    foreach my $id (@ids) { if ($id eq $home) { $allowed = 1; }  }
+    unless ($allowed) {
+	$r->log_reason($cuname.' at '.$cudom.
+		       ' trying to publish file '.$env{'form.filename'}.
+		       ' ('.$fn.') - not homeserver ('.$home.')', 
+		       $r->filename); 
+	return HTTP_NOT_ACCEPTABLE;
+    }
+
+    $fn=~s/^http\:\/\/[^\/]+//;
+    $fn=~s/^\/\~(\w+)/\/home\/$1\/public_html/;
+
+    my $targetdir='';
+    $docroot=$r->dir_config('lonDocRoot'); 
+    if ($1 ne $cuname) {
+	$r->log_reason($cuname.' at '.$cudom.
+		       ' trying to publish unowned file '.
+		       $env{'form.filename'}.' ('.$fn.')', 
+		       $r->filename); 
+	return HTTP_NOT_ACCEPTABLE;
+    } else {
+	$targetdir=$docroot.'/res/'.$cudom;
+    }
                                  
   
-  unless (-e $fn) { 
-     $r->log_reason($cuname.' at '.$cudom.
-         ' trying to publish non-existing file '.$ENV{'form.filename'}.
-         ' ('.$fn.')', 
-         $r->filename); 
-     return HTTP_NOT_FOUND;
-  } 
+    unless (-e $fn) { 
+	$r->log_reason($cuname.' at '.$cudom.
+		       ' trying to publish non-existing file '.
+		       $env{'form.filename'}.' ('.$fn.')', 
+		       $r->filename); 
+	return HTTP_NOT_FOUND;
+    } 
 
-unless ($ENV{'form.phase'} eq 'two') {
+    unless ($env{'form.phase'} eq 'two') {
 
 # -------------------------------- File is there and owned, init lookup tables.
 
-  %addid=();
+	%addid=();
 
-  {
-      my $fh=Apache::File->new($r->dir_config('lonTabDir').'/addid.tab');
-      while (<$fh>=~/(\w+)\s+(\w+)/) {
-          $addid{$1}=$2;
-      }
-  }
-
-  %nokey=();
-
-  {
-     my $fh=Apache::File->new($r->dir_config('lonIncludes').'/un_keyword.tab');
-      while (<$fh>) {
-          my $word=$_;
-          chomp($word);
-          $nokey{$word}=1;
-      }
-  }
+	{
+	    my $fh=Apache::File->new($r->dir_config('lonTabDir').'/addid.tab');
+	    while (<$fh>=~/(\w+)\s+(\w+)/) {
+		$addid{$1}=$2;
+	    }
+	}
 
-}
+	%nokey=();
 
-# ---------------------------------------------------------- Start page output.
+	{
+	    my $fh=Apache::File->new($r->dir_config('lonIncludes').'/un_keyword.tab');
+	    while (<$fh>) {
+		my $word=$_;
+		chomp($word);
+		$nokey{$word}=1;
+	    }
+	}
+
+    }
 
-  &Apache::loncommon::content_type($r,'text/html');
-  $r->send_http_header;
+# ---------------------------------------------------------- Start page output.
 
-  $r->print('<html><head><title>LON-CAPA Publishing</title></head>');
-  $r->print(&Apache::loncommon::bodytag('Resource Publication'));
+    &Apache::loncommon::content_type($r,'text/html');
+    $r->send_http_header;
+    
+    my $js=&Apache::loncommon::browser_and_searcher_javascript();
+    $r->print('<html><head><title>LON-CAPA Publishing</title>
+              <script type="text/javascript">'.$js.'
+              </script></head>');
+    $r->print(&Apache::loncommon::bodytag('Resource Publication'));
 
 
-  my $thisfn=$fn;
+    my $thisfn=$fn;
 
-  my $thistarget=$thisfn;
+    my $thistarget=$thisfn;
       
-  $thistarget=~s/^\/home/$targetdir/;
-  $thistarget=~s/\/public\_html//;
+    $thistarget=~s/^\/home/$targetdir/;
+    $thistarget=~s/\/public\_html//;
 
-  my $thisdistarget=$thistarget;
-  $thisdistarget=~s/^\Q$docroot\E//;
+    my $thisdistarget=$thistarget;
+    $thisdistarget=~s/^\Q$docroot\E//;
 
-  my $thisdisfn=$thisfn;
-  $thisdisfn=~s/^\/home\/\Q$cuname\E\/public_html\///;
+    my $thisdisfn=$thisfn;
+    $thisdisfn=~s/^\/home\/\Q$cuname\E\/public_html\///;
 
-  if ($fn=~/\/$/) {
+    if ($fn=~/\/$/) {
 # -------------------------------------------------------- This is a directory
-      &publishdirectory($r,$fn,$thisdisfn);
-      $r->print('<hr><font size="+2">'.&mt('Done').'</font><br><a href="/priv/'
-		.$cuname.'/'.$thisdisfn
-		.'">'.&mt('Return to Directory').'</a>');
+	&publishdirectory($r,$fn,$thisdisfn);
+	$r->print('<hr /><a href="/priv/'
+		  .$cuname.'/'.$thisdisfn
+		  .'">'.&mt('Return to Directory').'</a>');
 
 
-  } else {
+    } else {
 # ---------------------- Evaluate individual file, and then output information.
-      $thisfn=~/\.(\w+)$/;
-      my $thistype=$1;
-      my $thisembstyle=&Apache::loncommon::fileembstyle($thistype);
-      $r->print('<h2>'.&mt('Publishing').' '.
-		&Apache::loncommon::filedescription($thistype).' <tt>');
+	$thisfn=~/\.(\w+)$/;
+	my $thistype=$1;
+	my $thisembstyle=&Apache::loncommon::fileembstyle($thistype);
+	$r->print('<h2>'.&mt('Publishing').' '.
+		  &Apache::loncommon::filedescription($thistype).' <tt>');
 
-      $r->print(<<ENDCAPTION);
+	$r->print(<<ENDCAPTION);
 <a href='javascript:void(window.open("/~$cuname/$thisdisfn","cat","height=300,width=500,scrollbars=1,resizable=1,menubar=0,location=1"))'>
 $thisdisfn</a>
 ENDCAPTION
-      $r->print(
-        '</tt></h2><b>'.&mt('Target').':</b> <tt>'.$thisdistarget.'</tt><br />');
+        $r->print('</tt></h2><b>'.&mt('Target').':</b> <tt>'.
+		  $thisdistarget.'</tt><br />');
    
-      if (($cuname ne $ENV{'user.name'}) || ($cudom ne $ENV{'user.domain'})) {
-          $r->print('<h3><font color="red">'.&mt('Co-Author').': '.$cuname.&mt(' at ').$cudom.
-		    '</font></h3>');
-      }
+	if (($cuname ne $env{'user.name'})||($cudom ne $env{'user.domain'})) {
+	    $r->print('<h3><font color="red">'.&mt('Co-Author').': '.
+		      $cuname.&mt(' at ').$cudom.'</font></h3>');
+	}
 
-      if (&Apache::loncommon::fileembstyle($thistype) eq 'ssi') {
-          $r->print(<<ENDDIFF);
+	if (&Apache::loncommon::fileembstyle($thistype) eq 'ssi') {
+	    $r->print(<<ENDDIFF);
 <br />
 <a href='javascript:void(window.open("/adm/diff?filename=/~$cuname/$thisdisfn&versiontwo=priv","cat","height=300,width=500,scrollbars=1,resizable=1,menubar=0,location=1"))'>
 ENDDIFF
-          $r->print(&mt('Diffs with Current Version').'</a><br />');
-      }
+            $r->print(&mt('Diffs with Current Version').'</a><br />');
+	}
   
 # ------------------ Publishing from $thisfn to $thistarget with $thisembstyle.
 
-       unless ($ENV{'form.phase'} eq 'two') {
-	   my ($outstring,$error)=&publish($thisfn,$thistarget,$thisembstyle);
-	   $r->print('<hr />'.$outstring);
-       } else {
-           $r->print('<hr />');
-           &phasetwo($r,$thisfn,$thistarget,$thisembstyle,$thisdistarget); 
-       }
-  }
-  $r->print('</body></html>');
+	unless ($env{'form.phase'} eq 'two') {
+# ---------------------------------------------------------- Parse for problems
+	    my ($warningcount,$errorcount);
+	    if ($thisembstyle eq 'ssi') {
+		($warningcount,$errorcount)=&checkonthis($r,$thisfn);
+	    }
+	    unless ($errorcount) {
+		my ($outstring,$error)=
+		    &publish($thisfn,$thistarget,$thisembstyle);
+		$r->print('<hr />'.$outstring);
+	    } else {
+		$r->print('<h3>'.
+			  &mt('The document contains errors and cannot be published.').
+			  '</h3>');
+	    }
+	} else {
+	    &phasetwo($r,$thisfn,$thistarget,$thisembstyle,$thisdistarget); 
+	    $r->print('<hr />');
+	}
+    }
+    $r->print('</body></html>');
 
-  return OK;
+    return OK;
 }
 
 1;