--- a/src/Pure/pure_setup.ML Tue Mar 10 11:01:28 2009 +0100
+++ b/src/Pure/pure_setup.ML Tue Mar 10 16:42:58 2009 +0100
@@ -33,7 +33,7 @@
map (fn (x, y) => Pretty.str (x ^ "=" ^ y)) o Position.properties_of));
install_pp (make_pp ["Thm", "thm"] ProofDisplay.pprint_thm);
install_pp (make_pp ["Thm", "cterm"] ProofDisplay.pprint_cterm);
-install_pp (make_pp ["Binding", "binding"] (Pretty.pprint o Pretty.str o Binding.str_of));
+install_pp (make_pp ["Binding", "binding"] (Pretty.pprint o Pretty.str o quote o Binding.str_of));
install_pp (make_pp ["Thm", "ctyp"] ProofDisplay.pprint_ctyp);
install_pp (make_pp ["Context", "theory"] Context.pprint_thy);
install_pp (make_pp ["Context", "theory_ref"] Context.pprint_thy_ref);