changes in sbcl-1.3.13 relative to sbcl-1.3.12:
* enhancement: SET triggers package locks on undefined variables.
(lp#1645152)
* enhancement: new Windows specific option to run-program, :escape-arguments
(lp#1503496)
* enhancement: recompiling a MAKE-INSTANCE form with an initarg :INITARG
CONSTANT where CONSTANT names a constant variable picks up the new value
of CONSTANT in case it has been redefined. (lp#1644944)
* optimization: faster TYPEP on undefined at compile-time types and upcoming
class definitions. (lp#1082967)
* optimization: memory consumption of each STANDARD-OBJECT instance is
reduced by 2 words if the compact-instance-header feature is enabled.
* optimization: CONDITION instances are quicker to allocate.
* optimization: unoptimized calls to FILL on specialized vectors are now
just as fast as T vectors.
* bug fix: get-timezone returns corret DST on 64-bit Windows. (lp#1641058)
* bug fix: cross reference information in fasls is no longer incompatible
between different cores (lp#1648186)