src/Pure/General/symbol.ML
changeset 14234 9590df3c5f2a
parent 14232 ef550525c591
child 14361 ad2f5da643b4
--- a/src/Pure/General/symbol.ML	Wed Oct 15 01:58:41 2003 +0200
+++ b/src/Pure/General/symbol.ML	Wed Oct 15 07:03:43 2003 +0200
@@ -110,7 +110,7 @@
 
     val bbb_letters = ["bool","complex","nat","rat","real","int"]
 
-    val control_letters = ["^sub"]
+    val control_letters = ["^isub", "^isup"]
  
     val pre_letters =
 	cal_letters   @