1.1 --- a/src/Pure/System/isabelle_process.ML	Mon Aug 09 21:35:45 2010 +0200
     1.2 +++ b/src/Pure/System/isabelle_process.ML	Mon Aug 09 22:02:26 2010 +0200
     1.3 @@ -57,7 +57,7 @@
     1.4    let
     1.5      val _ = TextIO.StreamIO.setBufferMode (TextIO.getOutstream stream, IO.BLOCK_BUF);
     1.6      fun loop () =
     1.7 -      (OS.Process.sleep (Time.fromMilliseconds 50); try TextIO.flushOut stream; loop ());
     1.8 +      (OS.Process.sleep (Time.fromMilliseconds 20); try TextIO.flushOut stream; loop ());
     1.9    in loop end;
    1.10  
    1.11  fun rendezvous f fifo =