diff -r 4a9f76263ece -r 76979adf0b96 src/Pure/General/position.ML --- a/src/Pure/General/position.ML Mon Feb 17 20:54:03 2014 +0100 +++ b/src/Pure/General/position.ML Mon Feb 17 21:37:41 2014 +0100 @@ -192,7 +192,7 @@ (SOME i, NONE) => "(line " ^ Markup.print_int i ^ ")" | (SOME i, SOME name) => "(line " ^ Markup.print_int i ^ " of " ^ quote name ^ ")" | (NONE, SOME name) => "(file " ^ quote name ^ ")" - | _ => ""); + | _ => if is_reported pos then "\\" else ""); in if null props then "" else (if s = "" then "" else " ") ^ Markup.markup (Markup.properties props Markup.position) s