[plt-scheme] Re: silly question

From: Zhu Chongkai (mathematica at citiz.net)
Date: Mon May 17 01:42:47 EDT 2004

>We have `define-syntax', `let-syntax', and `letrec-syntax', so how come
>there's no `set!-syntax'?  Would such a thing be completely
>--dougo at place.org

But SYNTAX is different from variable. Expanding macros is just rewriting 
the code and there is only scope but no environment at this step. 

Read more about macros and you will know more about this. The TSPL 
(http://www.scheme.com/tspl2ed.html) is a good choice. 

Zhu Chongkai

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