Trying to get define/generic to work.
Added a test for define/generic within a macro.
Uncovering id bugs.
Trying to refine the test case bug.
Debugging odd expansion behavior.
Adapted example to introduces different marks to cover tricky cases.
Restored implementation of define/generic.
Fixed define/generic.
Restored tests/generic/from-docs test to match the docs.
Added test for define/generic interacting with macros.
Updated tests/generic/pr13737 for new syntax of define-primitive-generics.
Updated syntax tests for more specific error messages.
Added property guards to struct properties for generics.
Fixed a typo in a #:methods error test.
Made #:methods error message tests more consistent.
Made #:methods error messages consistent with existing tests.
Improved error message generation in generics property guards.
Export struct property accessor rather than generalized generic method table accessor.
Added a missing arity check.
Fixed a typo in racket/private/generic.