--- loncom/xml/londefdef.pm	2004/02/19 19:57:48	1.199
+++ loncom/xml/londefdef.pm	2004/03/31 05:24:00	1.204
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Tags Default Definition Module 
 #
-# $Id: londefdef.pm,v 1.199 2004/02/19 19:57:48 albertel Exp $
+# $Id: londefdef.pm,v 1.204 2004/03/31 05:24:00 albertel Exp $
 # 
 #
 # Copyright Michigan State University Board of Trustees
@@ -117,11 +117,8 @@ sub start_m {
 sub end_m {
     my ($target,$token) = @_;
     my $currentstring = '';
-    if ($target eq 'web') {
-	$Apache::lonxml::prevent_entity_encode--;
-    } elsif ($target eq 'tex') {
+    if ($target eq 'tex') {
 	$currentstring = "";
-    } elsif ($target eq 'meta') {
     }
     return $currentstring;
 }
@@ -393,7 +390,7 @@ sub start_meta {
             my $display=&Apache::lonxml::get_param
 		('display',$parstack,$safeeval,undef,1);
             if ($display) {
-		$display=&HTML::Entities::encode($display);
+		$display=&HTML::Entities::encode($display,'<>&"');
 		$currentstring.='<'.$name.'.display>'.$display.
                                '</'.$name.'.display>';
             }
@@ -535,12 +532,13 @@ sub start_body {
 	if ($ENV{'request.state'} ne 'published') {
 	    $currentstring.=(<<EDITBUTTON);
 		<form method="post">
-		<input type="submit" name="editmode" value="Edit" />
+		<input type="submit" name="editmode" accesskey="e" value="Edit" />
 		</form>
 EDITBUTTON
 	} else {
 	    $currentstring.=&Apache::lonmenu::menubuttons(undef,$target,1);
 	}
+	$currentstring.=&Apache::lonxml::message_location();
     } elsif ($target eq 'tex') {
 	$currentstring = '\begin{document}';  
     } 
@@ -1246,9 +1244,7 @@ sub start_font {
     my $currentstring = '';
     if ($target eq 'web') {
 	my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
-	if ($face=~/symbol/i) {
-	    $Apache::lonxml::prevent_entity_encode++;
-	} else {
+	if ($face!~/symbol/i) {
 	    if (($ENV{'browser.fontenhance'} eq 'on') || 
 		($ENV{'browser.blackwhite'} eq 'on')) { return ''; }
 	}
@@ -1266,8 +1262,6 @@ sub end_font {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $currentstring = '';
     if ($target eq 'web') {
-	my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
-	if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode--;}
 	$currentstring = $token->[2];    
     }  elsif ($target eq 'tex') {
 	my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
@@ -1337,7 +1331,7 @@ sub start_sub {
     if ($target eq 'web') {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
-	$currentstring .= "\$_{";
+	$currentstring .= '\ensuremath{_{';
     } 
     return $currentstring;
 }
@@ -1348,7 +1342,7 @@ sub end_sub {
     if ($target eq 'web') {
 	$currentstring .= $token->[2];
     } elsif ($target eq 'tex') {
-	$currentstring .= "}\$";
+	$currentstring .= '}}';
     }
     return $currentstring;
 }
@@ -1360,7 +1354,7 @@ sub start_sup {
     if ($target eq 'web') {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
-	$currentstring .= "\$^{";
+	$currentstring .= '\ensuremath{^{';
     } 
     return $currentstring;
 }
@@ -1371,7 +1365,7 @@ sub end_sup {
     if ($target eq 'web') {
 	$currentstring .= $token->[2];
     } elsif ($target eq 'tex') {
-	$currentstring .= "}\$";
+	$currentstring .= '}}';
     }
     return $currentstring;
 }
@@ -1794,13 +1788,14 @@ sub start_table {
 	if (not defined $TeXwidth) {
 	    my $htmlwidth = &Apache::lonxml::get_param('width',$parstack,$safeeval,undef,1);
 	    if ($htmlwidth=~/%/) {
+                $Apache::londefdef::table[-1]{'percent'}=1;
 		$htmlwidth=~/(\d+)/;
-		my $value=$1*$textwidth/100;
-		$Apache::londefdef::table[-1]{'width'}=$value;
+		$Apache::londefdef::table[-1]{'width'}=$1*$textwidth/100;;
 	    } else {
 		$Apache::londefdef::table[-1]{'width'}=$textwidth;
 	    }
 	} elsif ($TeXwidth=~/%/) {
+	    $Apache::londefdef::table[-1]{'percent'}=1;
 	    $TeXwidth=~/(\d+)/;
 	    my $value=$1*$textwidth/100;
             $Apache::londefdef::table[-1]{'width'}=$value;
@@ -1880,6 +1875,17 @@ sub end_table {
 		$length_row_final[$jn]=0.9*$available_length/$needed;
 	    }
 	}
+        #recalculation for the use of all available width if width is defined in %
+        if ($Apache::londefdef::table[-1]{'percent'}==1) {
+	    my $current=0; 
+	    for (my $i=0;$i<=$#length_row_final;$i++) {  
+		$current+=$length_row_final[$i];
+	    }
+	    my $coef=$Apache::londefdef::table[-1]{'width'}/$current;
+	    for (my $i=0;$i<=$#length_row_final;$i++) {  
+		$length_row_final[$i]*=$coef;
+	    }
+	}
 	#fill the table
 	for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
 	    for (my $jn=0;$jn<=$#length_row_final;$jn++) {