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Carl Shapiro
cmucl
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024eb258
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024eb258
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22 years ago
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toy
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Release notes for 18e from Eric Marsden.
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========================== C M U C L 18 e =============================
[--- WORK IN PROGRESS --- DO NOT DISTRIBUTE ---]
The CMUCL project is pleased to announce the release of CMUCL 18e.
This is a major release which contains numerous enhancements and
bugfixes from the 18e release.
CMUCL is a free, high performance implementation of the Common Lisp
programming language which runs on most major Unix platforms. It
mainly conforms to the ANSI Common Lisp standard. CMUCL provides a
sophisticated native code compiler; a powerful foreign function
interface; an implementation of CLOS, the Common Lisp Object System,
which includes multimethods and a metaobject protocol; a source-level
debugger and code profiler; and an Emacs-like editor implemented in
Common Lisp. CMUCL is maintained by a team of volunteers collaborating
over the Internet, and is mostly in the public domain.
New in this release:
* Feature enhancements:
* Numerous ANSI compliance fixes:
- SYMBOL-MACROLET signals an error when an attempt is made to
bind a special variable or a constant
- WITH-OUTPUT-TO-STRING accepts the :external-format keyword
argument
- the function WRITE-STRING accepts a NIL value for the :end
argument
- the function CHANGE-CLASS now accepts initargs
- loops of the form (LOOP FOR I BY (INCF X) FROM ...) now work
- in loop forms, the INITIALLY, FINALLY and DO keywords must be
followed by a compound form
- in the loop macro, PRESENT-SYMBOL now means both internal and
external symbols of a package
- the class precedence list of NULL has symbol before list
- the function FLOAT-RADIX signals an error if its argument is
not a float
- an error is signaled if the lambda keyword &rest is not
followed by a variable
- the GENTEMP function no longer accepts arguments of type symbol
- the function SHIFTF supports multiple values
- compiler macros recognize calls of the form (funcall foo args)
- (coerce <rational> '(complex float)) now returns a (complex
float) rather than a rational
- the ECASE and CCASE macros are allowed to use T and OTHERWISE
as regular keys, instead of as the otherwise clause. CMUCL
prints a warning about this being poor style.
* Numerous bugfixes:
- READ-BYTE on certain types of multi-byte elements was incorrect
- fix the treatment of colon package delimiters for the ~/
formatting directive
- correction to CLX's handling of FamilyLocal authorization
cookies (as created by versions of ssh after 3.4)
- fix to CLX handling of :any event-spec ??
- fix to boa-constructors ??
- EXPT was not correctly handling a zero exponent
- index calculations for operations bitvectors of sizes near the
ARRAY-DIMENSION-LIMIT could overflow
- redefining a class with a changed class precedence list didn't
update the CMUCL type system
- generated CLOS getter/setter/boundp generic functions are now
declared correctly, to eliminate bogus undefined function
warnings from the compiler
- method combination options for the long form of the
DEFINE-METHOD-COMBINATION special form work correctly
- executing a defclass form with a metaclass of STRUCTURE-CLASS
would result in the generation of recursive print-object
methods, so that printing such instances would loop
- dividing a ration by zero returned 1/0 instead of signaling an
error
- PPRINT-LOGICAL-BLOCK with a numeric prefix no longer causes the
system to crash
- in the byte-compiler, string comparisons STRING< and STRING>
returned incorrect results
- the function READ-SEQUENCE returned incorrect results for
specialized arrays when the internal READ-N-BYTES function read
short
- when a sequence type specifies a length, CMUCL checks that the
length of sequence arguments match the length of the sequence type
- the function COMPILE-FILE-PATHNAME computes the output file
name by merging the input file name and the supplied output file name
- the functions MAKE-BROADCAST-STREAM, MAKE-TWO-WAY-STREAM,
MAKE-CONCATENATED-STREAM and MAKE-ECHO-STREAM check that their
argument is an input or output stream, as appropriate
- numerous error conditions are signalled using a more specific
condition type than a generic error
* Other changes:
- the function PROFILE:REPORT-TIME no longer prints out a long
list of functions that were not profiled. The cutoff is
user-configurable by setting the new variable
PROFILE::*NO-CALLS-LIMIT*.
- reinstated the ability to build small runtime images (excluding
the compiler)
* Code cleanups:
* Changes to rebuilding procedure:
- the search-list "modules:" tracks the "library:" search-list,
instead of being set to whatever "library:subsystems/" is at
startup.
This release is not binary compatible with code compiled using CMUCL
18d; you will need to recompile FASL files.
See <URL:http://www.cons.org/cmucl/> for download information,
guidelines on reporting bugs, and mailing list details.
We hope you enjoy using this release of CMUCL!
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