(print (aref possiblybigthings i) stream)))))
should truncate the logical block only at 50 lines, instead of
often truncating it at 8 lines.
+* :SB-CONSTRAIN-FLOAT-TYPE, :SB-PROPAGATE-FLOAT-TYPE, and
+ :SB-PROPAGATE-FUN-TYPE are no longer considered to be optional
+ features. Instead, the code that they used to control is always
+ built into the system.
?? lots of tidying up internally: renaming things so that names are
more systematic and consistent, converting C macros to inline
functions, systematizing indentation