[Chicken-users] Problem with Syntax Case in 2.0

[Dale Jordan]

I have been experimenting with the implementation of srfi-57 which uses 
syntax-case and its module system.  Under Chicken-1.89 I had added (at 
toplevel) a procedure definition to srfi-57.scm that was used in most of 
the modules.  To be precise it was the following:

(define symbolic-identifier=?
  (lambda (x y)
     (eq? (syntax-object->datum x)
          (syntax-object->datum y))))

I also changed the references in the rest of the egg from 
literal-identifier=? to symbolic-identifier=?.

This compiled fine under 1.89.  Under 2.0 I get
  Error: unbound variable: symbolic-identifier=?

I have tried putting the definition in its own module and importing it 
and various permutations of eval-when, thinking it might be phase issue, 
but nothing seems to work.  Any clues for the perplexed?

Unrelated, I note that the run command in srfi-57.setup has a "-R 
srfi-57" directive.  Is this correct?  It would seem to be either 
redundant or harmful (referencing a previously installed version).

Dale.
(PS: Happy Birthday and thanks for all the fowl.)