+* The default value of *BYTES-CONSED-BETWEEN-GCS* has been
+ doubled, to 4 million. (If your application spends a lot of time
+ GCing and you have a lot of RAM, you might want to experiment with
+ increasing it even more.)
+?? The system's handling of top-level forms and EVAL-WHEN is now
+ more ANSI-compliant, fixing bugs
+ ?? IR1-3 and
+ ?? IR1-3a.
+ It's also done by much newer code, so there might be some new bugs,
+ but hopefully if so they'll be less fundamental and more fixable.