--- loncom/xml/lontexconvert.pm	2005/02/11 16:46:38	1.43
+++ loncom/xml/lontexconvert.pm	2005/02/24 01:21:50	1.44
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # TeX Conversion Module
 #
-# $Id: lontexconvert.pm,v 1.43 2005/02/11 16:46:38 www Exp $
+# $Id: lontexconvert.pm,v 1.44 2005/02/24 01:21:50 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -212,6 +212,26 @@ sub msgtexconverted {
     }
 }
 
+sub algebra {
+    my ($string,$target)=@_;
+    my $parser = new AlgParserWithImplicitExpand;
+    my $ret = $parser->parse($string);
+    my $result='['.&mt('Algebra unconverted due to previous errors').']';
+    if ( ref($ret) ) {
+	$parser->tostring();
+	$parser->normalize();
+	my $latex=$parser->tolatex();
+	$latex='$$'.$latex.'$$';
+	if ($target eq 'web' || $target eq 'analyze') {
+	    $result = &converted(\$latex);
+	} else {
+	    $result = $latex;
+	}
+    } else {
+	&Apache::lonxml::error($parser->{'htmlerror'});
+    }
+}
+
 1;
 __END__