--- loncom/xml/lontexconvert.pm	2005/02/24 09:58:31	1.56
+++ loncom/xml/lontexconvert.pm	2005/02/24 10:07:47	1.57
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # TeX Conversion Module
 #
-# $Id: lontexconvert.pm,v 1.56 2005/02/24 09:58:31 albertel Exp $
+# $Id: lontexconvert.pm,v 1.57 2005/02/24 10:07:47 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -240,7 +240,7 @@ sub prepare_algebra {
     my ($string)=@_;
 
     # makes the decision about what is a minus sign easier supposedly
-    $string =~ s/([\=\>\<\%\!\#] *)-/$1 zeroplace -/g;
+    $string =~ s/(\<\>|\<\=|\>\=[\=\>\<] *)-/$1 zeroplace -/g;
 
     return $string;
 }