are more readable.
* enhancement: RUN-PROGRAM works with user-defined binary input and output
streams.
+ * enhancement: more informative compile-time warnings and runtime
+ errors for type-errors detected at compile-time.
* bug fix: blocking reads from FIFOs created by RUN-PROGRAM were
uninterruptible, as well as blocking reads from socket streams created
with for which :SERVE-EVENTS NIL. (regression from 1.0.42.43)