src/Pure/PIDE/sendback.ML

       | NONE => []);
   in Markup.properties props Isabelle_Markup.sendback end;
 
 fun markup s = Markup.markup (make_markup ()) s;
 
-val markup_implicit = Markup.markup Isabelle_Markup.sendback;
+fun markup_implicit s = Markup.markup Isabelle_Markup.sendback s;
 
 end;