--- loncom/xml/londefdef.pm	2006/09/19 10:57:11	1.337
+++ loncom/xml/londefdef.pm	2006/09/25 10:11:47	1.338
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Tags Default Definition Module 
 #
-# $Id: londefdef.pm,v 1.337 2006/09/19 10:57:11 foxr Exp $
+# $Id: londefdef.pm,v 1.338 2006/09/25 10:11:47 foxr Exp $
 # 
 #
 # Copyright Michigan State University Board of Trustees
@@ -1228,6 +1228,8 @@ sub start_br {
 	    $currentstring .= ' \vskip 0 mm ';
 	} elsif ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {
 	    $currentstring .= '\strut \\\\ \strut ';
+	} else {                   # Honor break in simple <sup></sup>
+	    $currentstring .= '}} \strut \\\\ \strut \ensuremath{^{'; 
 	}
     }
     return $currentstring;