1. I read this as
   "if you pass a symbol it looks upo the function with that name, otherwise it's a no-op"
   
   This way it doula llow you to write a lambda in place of a symbol or viceversa, switching and allowing you to test withouth changing too much
     posted by gabriele at 08:51:12 AM on July 11, 2004  
2. This has probably been covered many times in the history of cll, but this fairly recent thread came to mind while reading your post.
   
   http://groups.google.com/groups?hl=en&th;=91a38c0dddcacf79&frame;=off
   
   Especially the messages from Erann Gat.
     posted by Chris Johnsen at 09:40:11 AM on July 11, 2004  
3. Er, that link seems to have been mangled while it was being posted. Let me try writing the A tag manually:
   
   the thread
     posted by Chris Johnsen at 09:45:31 AM on July 11, 2004