- He has done various low-level work on SBCL, especially for the
- SPARC port (and for CPU-architecture-neutral things motivated by
- it, like *BACKEND-FEATURES*). He's also contributed miscellaneous
- bug fixes.
+ He ported SBCL to SPARC, made various port-related and SPARC-related
+ changes (like *BACKEND-SUBFEATURES*), made many fixes and
+ improvements in the compiler's type system, has done a substantial
+ amount of work on bootstrapping SBCL under unrelated (non-SBCL,
+ non-CMU-CL) Common Lisps, and contributed in other ways as well.