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Re: why a new lexical form?

To: bear@xxxxxxxxx
Subject: Re: why a new lexical form?
From: Al Petrofsky <al@xxxxxxxxxxxxx>
Date: Wed, 5 Jun 2002 11:35:06 -0700
Cc: srfi-30@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Delivered-to: srfi-30@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
In-reply-to: <Pine.LNX.4.40.0206051105220.29750-100000@xxxxxxxxxxxxxxxxx> (message from bear on Wed, 5 Jun 2002 11:08:32 -0700 (PDT))
References: <Pine.LNX.4.40.0206051105220.29750-100000@xxxxxxxxxxxxxxxxx>

> From: bear <bear@xxxxxxxxx>
> 
> Why do we actually need a new lexical form for comments?
> 
> Can't we just use a syntax definition and say
> 
> (Comment ...)
> 
> "expands" to nothing?

I sometimes use ' as a way to comment out multiline commands and
definitions.

However, it is more useful to be able to comment at the token level:

  (define stuff
    '(foo
      bar
  #| FIXME: These two cause crashes for some reason  -APP
      baz
      quux
  |#
      zork))

-al

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