commit 4192a3a6ac357905a2db1d03b91d6d85e5db3517
Author: Alexander Solovets <asolovets@gmail.com>
Date:   Mon Oct 25 08:28:22 2010 +1100

    fix double printing of |startPrompt| marker at the very first prompt

diff --git a/src/interp/int-top.boot b/src/interp/int-top.boot
index 4655fa3..0c52bea 100644
--- a/src/interp/int-top.boot
+++ b/src/interp/int-top.boot
@@ -166,9 +166,7 @@ SpadInterpretStream(str, source, interactive?) ==
 
     interactive? =>
         if printFirstPrompt?() then
-            ioHook("startPrompt")
             princPrompt()
-            ioHook("endOfPrompt")
         intloopReadConsole('"", str)
         []
     intloopInclude (source,0)