(3) I don't care, but only because you asked about an answer that is
    independent of history.

On Apr 11, Ben Goetter wrote:
> [...]
> Syntax-rules should treat keywords as valid /identifier/s in a
> production.  I am thinking of the ":" token in Scsh SRE syntax.

Why?  Keywords are a new type, so they should be used as valid
identifiers in syntax just like numbers, strings, and booleans.

--
          ((lambda (x) (x x)) (lambda (x) (x x)))          Eli Barzilay:
                  http://www.barzilay.org/                 Maze is Life!