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Re: Is it possible for a macro to expand to nothing?
From: |
Pascal J. Bourguignon |
Subject: |
Re: Is it possible for a macro to expand to nothing? |
Date: |
Tue, 24 Nov 2009 12:56:12 +0100 |
User-agent: |
Gnus/5.1008 (Gnus v5.10.8) Emacs/22.3 (darwin) |
Alan Mackenzie <acm@muc.de> writes:
>> The general contract of a macro is that it returns valid forms.
>
> Sorry, Pascal, you're just restating the same thing again, not answering
> my question. Why should I accept this "general contract of a macro"? I
> haven't signed it. ;-) Is there some respected Lisp guru who says this?
> What would this guru say about the macro which generates a
> font-lock-defaults structure?
Perhaps you could ask this question on news:comp.lang.lisp ?
--
__Pascal Bourguignon__
- Re: Is it possible for a macro to expand to nothing?, (continued)
- Re: Is it possible for a macro to expand to nothing?, Helmut Eller, 2009/11/27
- Re: Is it possible for a macro to expand to nothing?, Pascal J. Bourguignon, 2009/11/27
- Re: Is it possible for a macro to expand to nothing?, Tim X, 2009/11/27
- Re: Is it possible for a macro to expand to nothing?, Pascal J. Bourguignon, 2009/11/27
- Re: Is it possible for a macro to expand to nothing?, Alan Mackenzie, 2009/11/28
- Re: Is it possible for a macro to expand to nothing?, Pascal J. Bourguignon, 2009/11/28
- Re: Is it possible for a macro to expand to nothing?, Thierry Volpiatto, 2009/11/28
- Message not available
- Re: Is it possible for a macro to expand to nothing?, Pascal J. Bourguignon, 2009/11/28
- Re: Is it possible for a macro to expand to nothing?,
Pascal J. Bourguignon <=
- Message not available
- Re: Is it possible for a macro to expand to nothing?, Pascal J. Bourguignon, 2009/11/23
- RE: Is it possible for a macro to expand to nothing?, Drew Adams, 2009/11/23
- Message not available
- Re: Is it possible for a macro to expand to nothing?, Pascal J. Bourguignon, 2009/11/23
- RE: Is it possible for a macro to expand to nothing?, Drew Adams, 2009/11/23
- Message not available
- Re: Is it possible for a macro to expand to nothing?, Pascal J. Bourguignon, 2009/11/23
- Message not available
- Re: Is it possible for a macro to expand to nothing?, Alan Mackenzie, 2009/11/23
Re: Is it possible for a macro to expand to nothing?, Jeff Clough, 2009/11/23