/[cmucl]/src/general-info/release-19a.txt
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1 gerd 1.1 ========================== C M U C L 18 e =============================
2    
3     [--- WORK IN PROGRESS --- DO NOT DISTRIBUTE ---]
4    
5     The CMUCL project is pleased to announce the release of CMUCL 19a.
6     This is a major release which contains numerous enhancements and
7     bugfixes from the 18e 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     - Stack overflow checking added for FreeBSD/x86 and Linux/x86.
23 emarsden 1.29 Code that makes the control stack overflow (for example due to
24     unbounded recursion) will lead to a STORAGE-ERROR being
25     signaled, instead of making CMUCL crash.
26 gerd 1.1 - LISP:FIND-CLASS and LISP:CLASS-OF now return CLOS classes. The
27 emarsden 1.21 symbols LISP:STANDARD-CLASS, LISP:BUILT-IN-CLASS, and
28 gerd 1.3 LISP:STRUCTURE-CLASS name CLOS classes. It is no longer
29 gerd 1.1 necessary to SHADOWING-IMPORT these from PCL when doing MOP
30     programming, and it fixes some non-compliances as well.
31 emarsden 1.29 - Package locks: a package whose EXT:PACKAGE-LOCK is enabled
32     non-NIL is protected against changes in its structure (list of
33     exported symbols, use-list etc). Symbols in a package whose
34     EXT:PACKAGE-DEFINITION-LOCK is enabled are protected against
35     redefinition.
36 gerd 1.2 - Weak hash tables have been added for x86 systems.
37 gerd 1.4 - Local functions are now named (FLET <name> ...) or
38     (LABELS <name> ...).
39 gerd 1.17 - Compiler checking control string and number of args to FORMAT.
40 gerd 1.27 - TRACE automatically using encapsulation when function-end
41     breakpoints cannot be used.
42 gerd 1.28 - INSPECT working on CLOS instances.
43 toy 1.30 - Callbacks from foreign code to Lisp.
44 gerd 1.1
45     * Numerous ANSI compliance fixes:
46 gerd 1.5 - Many bugs in CMUCL's type system detected by Paul Dietz'
47     ANSI test suite have been fixed.
48     - Non-keyword keyword names in lambda lists are now accepted.
49 gerd 1.6 - Condition slot initialization fixed for the case that two
50     or more slots have the same :INITARG.
51 gerd 1.7 - Initforms are now evaluated once only during condition slot
52     initialization.
53     - USE-VALUE, STORE-VALUE, CONTINUE behavior corrected in presence
54     of multiple restarts having the same name.
55     - RESTART-CASE's interaction with local macros fixed.
56     - Interaction of COMPUTE-RESTARTS and RESTART-CASE fixed in
57     presence of multiple restarts having the same name.
58 gerd 1.8 - Condition slot readers/writers are generic functions.
59 gerd 1.9 - &WHOLE, &REST, &BODY in macro lambda lists can be followed
60     by destructuring patterns. The previous behavior of &BODY
61     when followed by (<body> <declarations> <doc>) is available
62     through the new lambda-list keyword EXT:&PARSE-BODY.
63 gerd 1.10 - ELT now signals an error in safe code when used on lists
64     with an out-of-bounds index.
65     - Accessing arrays in compiled code with out-of-bounds indices
66     now signals a TYPE-ERROR.
67 gerd 1.11 - DECLARE no longer being a special operator.
68 gerd 1.16 - DEFINE-CONDITION accepts slot option :DOCUMENTATION.
69 gerd 1.18 - Behavior of (... &KEY &ALLOW-OTHER-KEYS) fixed for
70     DESTRUCTURING-BIND and macros.
71 gerd 1.19 - Stricter checking of keyword argument list in CLOS methods.
72 gerd 1.20 - &ENVIRONMENT variable bound bound before other vars, regardless
73     of where it appears in a lambda-list.
74 gerd 1.22 - VALUES types no longer accepting &KEY or &ALLOW-OTHER-KEYS.
75     - THE conforming to ANSI.
76 gerd 1.24 - SLOT-EXISTS-P can be used with conditions.
77 gerd 1.1
78     * Numerous bugfixes:
79 gerd 1.12 - NSET-EXCLUSIVE-OR returns the same results as SET-EXCLUSIVE-OR
80     wrt to duplicate elements.
81 gerd 1.11 - Forms like (MULTIPLE-VALUE-BIND 'LIST) no longer trapping
82     an internal compiler error when compiled.
83 gerd 1.16 - PARSE-INTEGER signaling PARSE-ERROR.
84     - Compiler eliminating some type checks in safe code.
85 gerd 1.1
86     * Other changes:
87 emarsden 1.21 - Removed obsolete alias from MAKE-VECTOR to MAKE-ARRAY
88 gerd 1.1
89     * Numerous improvements to the PCL implementation of CLOS:
90     - Gerd's PCL has been added, which fixes numerous bugs and ANSI/
91     AMOP non-compliances, and adds various new optimizations (also
92     see the CMU User Manual).
93 gerd 1.2 - PCL's class hierarchy has been changed to conform to AMOP, for
94     instance, GENERIC-FUNCTION is now a subclass of
95     STANDARD-OBJECT.
96 gerd 1.4 - ENSURE-CLASS-USING-CLASS's argument list has been changed
97     to conform to AMOP.
98 gerd 1.5 - COMPUTE-EFFECTIVE-SLOT-DEFINITION now takes a slot name as
99     argument, for AMOP compliance.
100 gerd 1.9 - SUBTYPEP works in presence of forward-referenced classes.
101 gerd 1.13 - Accessing slots of specialized parameters in (SETF
102     SLOT-VALUE-USING-CLASS) methods works.
103 gerd 1.14 - DIRECT-SLOT-DEFINITION-CLASS and EFFECTIVE-SLOT-DEFINITION-CLASS
104     AMOP compliant.
105 gerd 1.15 - ALLOCATE-INSTANCE working with structures defined with DEFSTRUCT.
106 gerd 1.23 - With (DEFGENERIC FOO (&REST X &KEY)) (DEFMETHOD FOO (&REST X) X),
107     (FOO 1) now signals an error.
108 gerd 1.1
109     * Improvements to Hemlock, the Emacs-like editor:
110    
111     * Changes to rebuilding procedure:
112    
113     * Deprecated features:
114    
115    
116     This release is not binary compatible with code compiled using CMUCL
117     18e; you will need to recompile FASL files.
118    
119     See <URL:http://www.cons.org/cmucl/> for download information,
120     guidelines on reporting bugs, and mailing list details.
121    
122    
123     We hope you enjoy using this release of CMUCL!
124    

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