--- loncom/interface/lonhelp.pm	2005/02/17 08:29:42	1.16
+++ loncom/interface/lonhelp.pm	2005/07/12 15:53:48	1.19
@@ -37,6 +37,7 @@ use Apache::lonacc();
 use Apache::lontexconvert();
 use Apache::lonnavmaps; # for advancedUser
 use Apache::lonlocal;
+use Apache::lonnet;
 use tth();
 use GDBM_File();
 
@@ -70,7 +71,7 @@ HEADER
 
     $r->print($tex);
 
-    if (Apache::lonnavmaps::advancedUser()) {
+    if (&Apache::lonnavmaps::advancedUser()) {
 $r->print(<<FOOTER);
     <!-- END -->
     <hr />
@@ -78,13 +79,13 @@ $r->print(<<FOOTER);
     </body>
 </html>
 FOOTER
-} else {
+    } else {
     $r->print(<<FOOTER);
     <!-- END -->
     </body>
 </html>
 FOOTER
-}
+    }
 }
 
 # Render takes a tex fragment, transforms it for TtH, and returns the
@@ -123,7 +124,7 @@ sub render
              |gxe;
 
 
-    $tex=&Apache::lontexconvert::converted(\$tex);
+    $tex=&Apache::lontexconvert::tth_converted(\$tex);
     
     # Finish backslashes
     $tex =~ s/###BACKSLASH###/'\\'/ge;
@@ -150,7 +151,7 @@ sub handler
 
      my $filenames = &Apache::lonnet::unescape(substr ($ENV{'REQUEST_URI'} , 
 			    rindex($ENV{'REQUEST_URI'}, '/') + 1, -4));
-     
+
      # Security check on the file; the whole filename must consist
      # of nothing but alphanums, ' ,, or ., or the file
      # will be "not found", no matter what.
@@ -180,10 +181,10 @@ sub handler
 	 $tex .= join('', <$file>);
      }
 
-     if ($ENV{'browser.mathml'}) {
+     if ($env{'browser.mathml'}) {
 	 &Apache::loncommon::content_type($r,'text/xml');
 	 &tth::ttminit();
-	 if ($ENV{'browser.unicode'}) {
+	 if ($env{'browser.unicode'}) {
 	     &tth::ttmoptions('-L -u1');
 	 } else {
 	     &tth::ttmoptions('-L -u0');
@@ -191,7 +192,7 @@ sub handler
      } else {
 	 &Apache::loncommon::content_type($r,"text/html");
 	 &tth::tthinit();
-	 if ($ENV{'browser.unicode'}) {
+	 if ($env{'browser.unicode'}) {
 	     &tth::tthoptions('-L -u1');
 	 } else {
 	     &tth::tthoptions('-L -u0');