--- loncom/xml/lontexconvert.pm	2006/05/17 22:08:08	1.73
+++ loncom/xml/lontexconvert.pm	2006/05/30 12:47:53	1.75
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # TeX Conversion Module
 #
-# $Id: lontexconvert.pm,v 1.73 2006/05/17 22:08:08 albertel Exp $
+# $Id: lontexconvert.pm,v 1.75 2006/05/30 12:47:53 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -45,24 +45,32 @@ use vars qw($errorstring);
 #use Apache::lonxml();
 use Apache::lonlocal;
 use Apache::lonnet;
+use lib '/home/httpd/lib/perl/';
+use LONCAPA;
+ 
 
 # ====================================================================== Header
 
 sub init_tth {
     my $options=$env{'course.'.$env{'request.course.id'}.'.tthoptions'};
+    if ($options =~ /\S/) {
+	$options = ' '.$options;
+    } else {
+	undef($options);
+    }
     if ($env{'browser.mathml'}) {
 	&tth::ttminit();
 	if ($env{'browser.unicode'}) {
-	    &tth::ttmoptions('-L -u1 '.$options);
+	    &tth::ttmoptions('-L -u1'.$options);
 	} else {
-	    &tth::ttmoptions('-L -u0 '.$options);
+	    &tth::ttmoptions('-L -u0'.$options);
 	}
     } else {
 	&tth::tthinit();
 	if ($env{'browser.unicode'}) {
-	    &tth::tthoptions('-L -u1 '.$options);
+	    &tth::tthoptions('-L -u1'.$options);
 	} else {
-	    &tth::tthoptions('-L -u0 '.$options);
+	    &tth::tthoptions('-L -u0'.$options);
 	}
     }
 }
@@ -206,7 +214,7 @@ sub mimetex_converted {
     if ($displaystyle) {
 	$$texstring='\\displaystyle \\Large '.$$texstring;
     }
-    my $result='<img src="/cgi-bin/mimetex.cgi?'.&Apache::lonnet::escape($$texstring).'" />';
+    my $result='<img src="/cgi-bin/mimetex.cgi?'.&escape($$texstring).'" />';
     if ($displaystyle) {
 	$result='<center>'.$result.'</center>';
     }