/[cmucl]/src/general-info/release-19b.txt
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Contents of /src/general-info/release-19b.txt

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1 ========================== C M U C L 19 b =============================
2
3 [--- WORK IN PROGRESS --- DO NOT DISTRIBUTE ---]
4
5 The CMUCL project is pleased to announce the release of CMUCL 19b.
6 This is a major release which contains numerous enhancements and
7 bugfixes from the 19a release.
8
9 CMUCL is a free, high performance implementation of the Common Lisp
10 programming language which runs on most major Unix platforms. It
11 mainly conforms to the ANSI Common Lisp standard. CMUCL provides a
12 sophisticated native code compiler; a powerful foreign function
13 interface; an implementation of CLOS, the Common Lisp Object System,
14 which includes multimethods and a metaobject protocol; a source-level
15 debugger and code profiler; and an Emacs-like editor implemented in
16 Common Lisp. CMUCL is maintained by a team of volunteers collaborating
17 over the Internet, and is mostly in the public domain.
18
19 New in this release:
20
21 * Feature enhancements:
22 - Added a much faster and much less consy bignum printer and a
23 faster bignum reader.
24 - Extended REQUIRE to support *MODULE-PROVIDER-FUNCTIONS* from
25 SBCL.
26 - NetBSD supported.
27 - SIMPLE-STREAM fixes:
28 o READ-SEQUENCE and WRITE-SEQUENCE for
29 signed-byte/unsigned-byte 8 streams.
30 o Memory-mapped file streams.
31 - Large file support for Solaris, so CMUCL can handle files
32 larger than 2GB.
33 - Support for Mac OS X.
34 - A much faster GCD implementation.
35 - A faster Karatsuba multiplier when the number of words of the
36 bignums is not a power of 2. (Break-even is still around 1500
37 bits, though.)
38 - New command-line switch -debug-lisp-search to show how lisp is
39 searching for its core file.
40
41 * Numerous ANSI compliance fixes:
42 - FILE-AUTHOR should signal errors appropriately.
43 - CMUCL was computing the wrong value for some special functions
44 when the argument was on the branch cut for the function.
45 - MULTIPLE-VALUE-BIND accepts &REST and friends in the var list.
46 - When constructing logical pathnames, all components will be
47 automatically upcased. Needed for print/read consistency, and
48 fixes an issue with ASDF and logical pathnames.
49 - Numerous fixes to the float printer, including a new float
50 printer.
51 - Justification (~< ~>) works better.
52 - ~V with the value of NIL in format strings is treated to mean
53 as if it weren't given at all, as specified by ANSI CL.
54 - Characters print consistently with ~:C and ~S.
55
56 * Numerous bugfixes:
57 - FFLOOR and friends preserve the sign of the arg, so -0.0 is
58 returned for negative args.
59 - EXPT sometimes returne NaN instead of 1 when the power was 0.
60 - Weak pointers don't have O(n^2) GC behavior anymore.
61 - X11 authorization changes to solve problems seen with servers
62 that don't listen to TCP connection requests.
63
64 * Other changes:
65
66 * Improvements to the PCL implementation of CLOS:
67
68 * Improvements to Hemlock, the Emacs-like editor:
69
70 * Changes to rebuilding procedure:
71
72 * Deprecated features:
73
74 This release is not binary compatible with code compiled using CMUCL
75 19a; you will need to recompile FASL files.
76
77 See <URL:http://www.cons.org/cmucl/> for download information,
78 guidelines on reporting bugs, and mailing list details.
79
80
81 We hope you enjoy using this release of CMUCL!
82

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