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On Mon, 13 Oct 2003, Allophone Petrofsky wrote: >I think the better approach to the nested ellipsis problem is to have >syntax-rules take as an (optional) argument the identifier that you >wish to use to indicate sequences. E.g.: Well, when you're right, you're right. This removes the status of ellipsis as a "keyword", while simultaneously opening up the entire hierarchy of macros and meta-macros by getting the ability to ignore its keyword use. This is more than just a good idea; it's the Right Thing. Bear