--- loncom/homework/structuretags.pm	2003/07/17 13:50:44	1.197
+++ loncom/homework/structuretags.pm	2003/08/04 22:40:03	1.200
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # definition of tags that give a structure to a document
 #
-# $Id: structuretags.pm,v 1.197 2003/07/17 13:50:44 www Exp $
+# $Id: structuretags.pm,v 1.200 2003/08/04 22:40:03 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -44,9 +44,9 @@ BEGIN {
 
 sub start_web {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-    if (!($target eq 'web' || $target eq 'edit' || $target eq 'modified' ||
-	  $target eq 'answer' || $target eq 'grade' || $target eq 'meta' )) {
-	my $bodytext=&Apache::lonxml::get_all_text("/web",$parser);
+    my $bodytext=&Apache::lonxml::get_all_text("/web",$parser);
+    if ($target eq 'web') {
+	return $bodytext;
     }
     return '';
 }
@@ -57,12 +57,12 @@ sub end_web {
 
 sub start_tex {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-    if (!($target eq 'tex' || $target eq 'edit' || $target eq 'modified' ||
-	  $target eq 'answer' || $target eq 'grade' || $target eq 'meta' )) {
-	&Apache::lonxml::debug("tex 1");
-	my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser);
+    my $result='';
+    my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser);
+    if ($target eq 'tex') {
+	return $bodytext.' ';
     }
-    return '';
+    return $result;;
 }
 
 sub end_tex {
@@ -91,6 +91,7 @@ sub page_start {
 	    'onUnload="'.&Apache::lonmenu::unloadevents().'" ';
 	my $background=&Apache::lonxml::get_param('background',$parstack,
 						  $safeeval);
+	if ($ENV{'browser.imagesuppress'} eq 'on') { $background=''; }
 	if ($background) {
 	    $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
 		$background;
@@ -98,12 +99,15 @@ sub page_start {
 	} else {
 	    my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
 						   $safeeval);
-	    if ($bgcolor) {
+	    if (($bgcolor) && ($ENV{'browser.blackwhite'} ne 'on')) {
 		$body_tag_start.='bgcolor="'.$bgcolor.'" ';
 	    } else {
 		$body_tag_start.='bgcolor="#ffffff"';
 	    }
 	}
+	if ($ENV{'browser.fontenhance'} eq 'on') {
+	    $body_tag_start.=' style="font-size: x-large;" ';
+	}
 	$body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);
 	if ($target eq 'web' && $ENV{'request.state'} ne 'construct') {
 	    my ($symb,undef,undef,undef,$publicuser)=