interrupts enabled.
* incompatible change: support for *BEFORE-GC-HOOKS* (that have been
inoperational for a while now) has been completely removed.
- * Null lexical environments are now printed as #<NULL-LEXENV>,
+ * null lexical environments are now printed as #<NULL-LEXENV>,
significantly reducing the amount of clutter in typical backtraces.
+ * documentation on weak pointers, finalization, and after GC hooks
+ has been added to the manual.
* optimization: REPLACE on declared (UNSIGNED-BYTE 8) vectors, as well
as other specialized array types, is much faster. SUBSEQ and
COPY-SEQ on such arrays have also been sped up.