--- loncom/xml/lontexconvert.pm	2002/03/06 20:27:00	1.5
+++ loncom/xml/lontexconvert.pm	2002/09/16 21:25:22	1.9
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # TeX Conversion Module
 #
-# $Id: lontexconvert.pm,v 1.5 2002/03/06 20:27:00 matthew Exp $
+# $Id: lontexconvert.pm,v 1.9 2002/09/16 21:25:22 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -97,6 +97,33 @@ sub footer {
   return $xmlstring;
 }
 
+# ------------------------------------------------------------ Message display
+
+sub to_convert {
+    my ($string) = @_;
+    return &converted(\$string);
+}
+
+sub msgtexconverted {
+    my $message=shift;
+
+    #FIXME this crap needs to go but right now the -L option might be
+    #ignored if this isn;t the first time the tth engine is used
+    #thus the \\document class crap, it makes sure we init the LaTeX stuff
+    if ($ENV{'browser.mathml'}) {
+      &tth::ttminit();
+      &tth::ttmoptions("-L");
+    } else {
+      &tth::tthinit();
+      &tth::tthoptions("-L");
+    }
+    $message=~s/(\$\$.+?\$\$)/&to_convert("\\documentclass{article}".$1)/ge;
+    $message=~s/(\$.+?\$)/&to_convert("\\documentclass{article}".$1)/ge;
+    $message=~s/(\\\(.+?\\\))/&to_convert("\\documentclass{article}".$1)/ge;
+    $message=~s/(\\\[.+?\\\])/&to_convert("\\documentclass{article}".$1)/ge;
+    return $message.$errorstring;
+}
+
 1;
 __END__