--- a/lib/ur/basis.urs	Thu Apr 02 15:12:06 2009 -0400
+++ b/lib/ur/basis.urs	Sat Apr 04 11:46:24 2009 -0400
@@ -375,8 +375,8 @@
 con tabl = [Body, Table]
 con tr = [Body, Tr]
 
-val dyn : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> unit
-          -> tag [Signal = signal (xml ctx use bind)] ctx [] use bind
+val dyn : use ::: {Type} -> bind ::: {Type} -> unit
+          -> tag [Signal = signal (xml body use bind)] body [] use bind
 
 val head : unit -> tag [] html head [] []
 val title : unit -> tag [] head [] [] []
@@ -393,6 +393,8 @@
 
 val br : bodyTagStandalone []
 
+val span : bodyTag []
+
 val p : bodyTag []
 val b : bodyTag []
 val i : bodyTag []