--- loncom/homework/convertjme.pl	2005/01/25 14:55:15	1.10
+++ loncom/homework/convertjme.pl	2005/01/31 21:55:44	1.11
@@ -2,7 +2,7 @@
 # The LearningOnline Network with CAPA
 # Dynamically converts JME strings into either a png or ps file.
 #
-# $Id: convertjme.pl,v 1.10 2005/01/25 14:55:15 albertel Exp $
+# $Id: convertjme.pl,v 1.11 2005/01/31 21:55:44 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -552,7 +552,7 @@ sub printCharge_png {
     my ($sign,$charge,$x,$y) = @_;
     my $yy = 662;
 
-    $sign = "–" if ($sign eq "-");  # replace by n-dash
+    $sign = "−" if ($sign eq "-");  # replace by n-dash
     $charge = "" if ($charge == 1);
     $charge .= $sign;