[R6RS] Library syntax versioning

dyb at cs.indiana.edu dyb at cs.indiana.edu
Wed May 10 15:40:13 EDT 2006

We already have (as of last week's meeting) a syntax for dealing with
implementation-dependent lexical exceptions, which is to allow for
#!<symbol-like-thing>, e.g.:


Perhaps we can plan on using the same tool for future extensions to the


We can even require #!r6rs to appear at the top of a library now, or at
least allow it to be included.

This is a lot more concise than a MIME content-type line.


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