derived types contradict their declared type.
* DEFMACRO is implemented via EVAL-WHEN instead of IR1 translation,
so it can be non-toplevel.
+ * fixed bugs 46h and 46i: TWO-WAY- and CONCATENATED-STREAM creation
+ functions now check the types of their inputs as required by ANSI.
+ * fixed bug 48c: SYMBOL-MACROLET signals PROGRAM-ERROR when an
+ introduced symbol is DECLAREd to be SPECIAL.
+ * fixed reading of (COMPLEX DOUBLE-FLOAT) literals from fasl files
planned incompatible changes in 0.7.x:
* When the profiling interface settles down, maybe in 0.7.x, maybe