src/HOL/Library/OptionalSugar.thy
changeset 21210 c17fd2df4e9e
parent 19674 22b635240905
child 21404 eb85850d3eb7
--- a/src/HOL/Library/OptionalSugar.thy	Tue Nov 07 11:47:56 2006 +0100
+++ b/src/HOL/Library/OptionalSugar.thy	Tue Nov 07 11:47:57 2006 +0100
@@ -17,7 +17,7 @@
 
 
 (* aligning equations *)
-const_syntax (tab output)
+notation (tab output)
   "op ="  ("(_) \<^raw:}\putisatab\isa{\ >=\<^raw:}\putisatab\isa{> (_)" [50,49] 50)
   "=="  ("(_) \<^raw:}\putisatab\isa{\ >\<equiv>\<^raw:}\putisatab\isa{> (_)")