src/Pure/library.ML
changeset 30570 8fac7efcce0a
parent 30558 2ef9892114fd
child 30572 8fbc355100f2
--- a/src/Pure/library.ML	Wed Mar 18 11:57:28 2009 +0100
+++ b/src/Pure/library.ML	Wed Mar 18 15:23:52 2009 +0100
@@ -1022,7 +1022,7 @@
 
 (*insert tags*)
 fun tag_list k [] = []
-  | tag_list k (x :: xs) = (k, x) :: tag_list (k + 1) xs;
+  | tag_list k (x :: xs) = (k:int, x) :: tag_list (k + 1) xs;
 
 (*remove tags and suppress duplicates -- list is assumed sorted!*)
 fun untag_list [] = []