1.1 --- a/src/Pure/System/build.ML	Thu Jul 26 19:40:19 2012 +0200
     1.2 +++ b/src/Pure/System/build.ML	Thu Jul 26 19:41:05 2012 +0200
     1.3 @@ -40,6 +40,7 @@
     1.4      |> Unsynchronized.setmp Thy_Output.indent_default (Options.int options "thy_output_indent")
     1.5      |> Unsynchronized.setmp Thy_Output.source_default (Options.bool options "thy_output_source")
     1.6      |> Unsynchronized.setmp Thy_Output.break_default (Options.bool options "thy_output_break")
     1.7 +    |> Unsynchronized.setmp Pretty.margin_default (Options.int options "pretty_margin")
     1.8      |> Unsynchronized.setmp Toplevel.timing (Options.bool options "timing");
     1.9  
    1.10  fun use_theories (options, thys) =