src/Pure/simplifier.ML

--- a/src/Pure/simplifier.ML	Wed Dec 06 14:19:36 2017 +0100
+++ b/src/Pure/simplifier.ML	Wed Dec 06 15:46:35 2017 +0100
@@ -113,7 +113,7 @@
 
 val _ = Theory.setup
   (ML_Antiquotation.value @{binding simproc}
-    (Args.context -- Scan.lift (Parse.position Args.name)
+    (Args.context -- Scan.lift (Parse.position Args.embedded)
       >> (fn (ctxt, name) =>
         "Simplifier.the_simproc ML_context " ^ ML_Syntax.print_string (check_simproc ctxt name))));