src/Pure/Syntax/type_ext.ML

 
 val bracketsN = "brackets";
 val no_bracketsN = "no_brackets";
 
 fun no_brackets () =
-  find_first (equal bracketsN orf equal no_bracketsN) (! print_mode)
+  find_first (fn mode => mode = bracketsN orelse mode = no_bracketsN) (! print_mode)
     = SOME no_bracketsN;
 
 val type_bracketsN = "type_brackets";
 val no_type_bracketsN = "no_type_brackets";
 
 fun no_type_brackets () =
-  Library.find_first (equal type_bracketsN orf equal no_type_bracketsN) (! print_mode)
+  find_first (fn mode => mode = type_bracketsN orelse mode = no_type_bracketsN) (! print_mode)
     <> SOME type_bracketsN;
 
 
 (* parse ast translations *)