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Deliberate variable capture.

bear wrote:

> You know, the more I think about scheme macros, the more I think that
> failure to allow _deliberate_ variable capture is a bad thing.  


> This is out of scope for the current SRFI, but for me the most
> fundamental extension to define-syntax or syntax-case that's really
> needed is some standardized way of explicitly allowing variables
> inside a macro to be captured and breaking hygiene.

What're you talking about?  SYNTAX-CASE has one of the most elegant
mechanisms for explicitly breaking hygiene.