(lp#898331)
* bug fix: *EVALUATOR-MODE* :COMPILE treated (LET () ...) identically
to (LOCALLY ...) leading to internally inconsistent toplevel-formness.
+ * bug fix: non-toplevel DEFSTRUCT signaled a style warning for unknown type.
changes in sbcl-1.0.54 relative to sbcl-1.0.53:
* minor incompatible changes: