+changes in sbcl-0.9.9 relative to sbcl-0.9.8:
+ * new platform: experimental support for the Windows operating
+ system has been added. (thanks to Alastair Bridgewater)
+ * fixed several bugs in and robustified the PPC FFI (including
+ callbacks). (thanks to Cyrus Harmon and Heiner Schwarte)
+ * bug fix: allow non-simple string symbol names (reported by Paul
+ Dietz)
+ * bug fix: interrupt handling on NetBSD (thanks to Richard M
+ Kreuter)
+ * bug fix: saving a core corrupted callbacks on x86/x86-64
+ * bug fix: closed a loophole in metacircularity detection and
+ grounding in the PCL implementation of CLOS.
+ * bug fix: TRUENAME on "/" no longer returns a relative pathname.
+ (reported by tomppa on #lisp)
+ * bug fix: clear the direction flag on Lisp -> C transitions, as
+ required by the x86-64 ABI. Fixes mysterious GC crashes on SuSE.
+ (reported by Andrej Grozin and Hendrik Maryns)
+ * optimization: major improvements to GC efficiency on GENCGC platforms
+ * optimization: faster implementation of EQUAL
+ * optimization: emit more efficient opcodes for some common
+ immediate->register MOV instructions on x86-64. (thanks to Lutz Euler)
+ * optimization: several other minor code-generation improvements on x86-64
+ * fixed segfaults on x86 FreeBSD 7-current. (thanks to NIIMI Satoshi)
+
+changes in sbcl-0.9.8 relative to sbcl-0.9.7:
+ * minor incompatible change: (SETF CLASS-NAME) and (SETF
+ GENERIC-FUNCTION-NAME) are generic functions once more (reverting
+ the change in the 0.9.7 release). (SETF CLASS-NAME) is specified
+ by ANSI as a generic function, and for consistency (SETF
+ GENERIC-FUNCTION-NAME) is treated likewise.
+ * fixed bug #233.b: make constraint propagation notice when a variable
+ value is changed after it is referenced but before it is used
+ * fixed bug #296: no more arbitrary behaviour from filenames with
+ odd characters as --load arguments. (reported by Adam Warner)
+ * fixed bug #390: :CHARACTER-SET pathname components now work as
+ expected. (reported by Tim Daly Jr)
+ * fixed bug #391: complicated :TYPE intersections in slot
+ definitions no longer cause an error in PCL internals.
+ * fixed bug #392: plugged a hole in the obsolete-instance protocol.
+ * bug fix: FILE-STRING-LENGTH is now external-format sensitive,
+ returning the number of octets which would be written to the
+ file-stream. (thanks to Robert J. Macomber)
+ * bug fix: the SB-SIMPLE-STREAMS contrib passes external-format
+ arguments to the internal stream functions. (thanks to David
+ Lichteblau)
+ * bug fix: stack exhaustion is now handled on the x86/SunOS
+ platform. (thanks to Daisuke Homma)
+ * bug fix: more accurate ROOM results on GENCGC platforms
+ * optimization: improved type inference for arithmetic-for
+ index variables in LOOP
+ * optimization: faster floating-point SQRT on x86-64
+ * fixed some bugs revealed by Paul Dietz' test suite:
+ ** DOCUMENTATION returns NIL instead of "" for method combinations
+ that don't have a docstring
+
+changes in sbcl-0.9.7 relative to sbcl-0.9.6:
+ * minor incompatible change: (SETF CLASS-NAME) and (SETF
+ GENERIC-FUNCTION-NAME) are no longer generic functions, and
+ therefore are not customizeable by user code (as seems to be at
+ least permitted and maybe required by AMOP). As a consolation,
+ however, the SBCL implementation of these functions now calls
+ REINITIALIZE-INSTANCE as specified by AMOP.
+ * bug fix: slot-definition documentation is propagated as per ANSI
+ 7.6.2 to EFFECTIVE-SLOT-DEFINITIONS.
+ COMPUTE-EFFECTIVE-SLOT-DEFINITION now receives a :DOCUMENTATION
+ argument, as do eslotd initialization methods. (from Pascal
+ Costanza's "Closer" project)
+ * bug fix: REINITIALIZE-INSTANCE on generic functions calls
+ COMPUTE-DISCRIMINATING-FUNCTION (almost) unconditionally, as
+ specified by AMOP.
+ * bug fix: it is now possible to have more than one subclass of
+ STANDARD-GENERIC-FUNCTION without causing stack overflow.
+ (reported by Bruno Haible, Pascal Costanza and others)
+ * bug fix: the dependent update protocol now works for generic
+ functions. (thanks to Gerd Moellmann; reported by Bruno Haible
+ and Pascal Costanza)
+ * bug fix: condition-class instances corresponding to
+ DEFINE-CONDITION forms are now created eagerly. (reported by
+ Kalle Olavi Niemitalo on comp.lang.lisp)
+ * bug fix: floating point printing is more accurate in some
+ circumstances. (thanks to Simon Alexander)
+ * bug fix: *COMPILE-FILE-PATHNAME* now contains the user's pathname
+ merged with *DEFAULT-PATHNAME-DEFAULTS*.
+ * bug fix: callbacks on OS X now preserve stack-alignment.
+ (thanks to Cyrus Harmon)
+ * enhancement: the x86-64 disassembler is much better at
+ disassembling SSE instructions. (thanks to Lutz Euler)
+ * enhancement: CHECK-TYPE on a variable now allows type-inference
+ (thanks to Vincent Arkesteijn)
+ * optimization: improved performance of EUC-JP external format.
+ (thanks to NIIMI Satoshi)
+ * optimization: performance improvements to IO on file streams of
+ :ELEMENT-TYPE CHARACTER
+ * optimization: much faster memory allocation on x86-64
+ * optimization: faster garbage collections (latency and throughput)
+ on gencgc
+ * optimization: faster bignum subtraction and division on x86 and x86-64
+ (thanks to Lutz Euler)
+ * optimization: more accurate type-inference for loops that use a
+ floating point index variable or a negative step.
+