2013-03-20: remove the empty line from the example.

remove the empty line from the example.

diff --git a/example.w b/example.w
--- a/example.w
+++ b/example.w
@@ -3,7 +3,6 @@ defun a (b c)
     : 
       d "i am a string
 do not break me!"
-
       : 
         f
         ` g