diff -r 554836ed1f1b -r e0557c452138 src/Pure/General/file.ML
--- a/src/Pure/General/file.ML	Wed May 18 11:30:58 2005 +0200
+++ b/src/Pure/General/file.ML	Wed May 18 11:30:59 2005 +0200
@@ -96,7 +96,7 @@
     | s => SOME (Info s))
   end;
 
-val exists = isSome o info;
+val exists = is_some o info;
 
 
 (* directories *)