diff -r 9c4809ec28ef -r 0f9a4e8ee1ab src/Pure/PIDE/command.ML
--- a/src/Pure/PIDE/command.ML	Fri Sep 06 16:11:19 2019 +0200
+++ b/src/Pure/PIDE/command.ML	Fri Sep 06 16:48:28 2019 +0200
@@ -233,7 +233,7 @@
   Toplevel.setmp_thread_position tr (fn () => Output.report [Markup.markup_only m]) ();
 
 fun status tr m =
-  Toplevel.setmp_thread_position tr (fn () => Output.status (Markup.markup_only m)) ();
+  Toplevel.setmp_thread_position tr (fn () => Output.status [Markup.markup_only m]) ();
 
 fun command_indent tr st =
   (case try Toplevel.proof_of st of