CMUCL commit: cmucl-www/cmucl-www/www (4 files)
Raymond Toy
rtoy at common-lisp.net
Mon Sep 27 22:39:17 CEST 2010
Date: Monday, September 27, 2010 @ 16:39:17
Author: rtoy
Path: /project/cmucl/cvsroot/cmucl-www/cmucl-www/www
Added: news/release-20b.txt
Modified: download.html index.html news/index.html
index.html:
news/index.html:
o 20b released
download.html:
o Add links for binaries (not all available at this moment).
news/release-20b.txt:
o New file for the 20b release notes.
----------------------+
download.html | 84 +++++++++++++---
index.html | 24 ----
news/index.html | 6 +
news/release-20b.txt | 249 +++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 329 insertions(+), 34 deletions(-)
Index: cmucl-www/cmucl-www/www/download.html
diff -u cmucl-www/cmucl-www/www/download.html:1.19 cmucl-www/cmucl-www/www/download.html:1.20
--- cmucl-www/cmucl-www/www/download.html:1.19 Tue Sep 7 10:54:50 2010
+++ cmucl-www/cmucl-www/www/download.html Mon Sep 27 16:39:16 2010
@@ -92,21 +92,77 @@
</tr>
<tr>
+ <th>20b</th>
+ <td>
+ <ul>
+ <li><a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-x86-linux.tar.bz2">Unicode</a></li>
+ <li><a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-x86-linux.extra.tar.bz2">Unicode extras</a></li>
+ <li><a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-non-unicode-x86-linux.tar.bz2">Non-Unicode</a></li>
+ <li><a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-non-unicode-x86-linux.extra.tar.bz2">Non-Unicode extras</a></li>
+ </ul>
+ </td>
+ <td>
+ <ul>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-x86-darwin.tar.bz2">Unicode</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-x86-darwin.extra.tar.bz2">Unicode extras</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-non-unicode-x86-darwin.tar.bz2">Non-Unicode</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-non-unicode-x86-darwin.extra.tar.bz2">Non-Unicode extras</a></li>
+ </ul>
+ </td>
+ <td>
+ <dl>
+ <ul>
+<!--FreeBSD not yet available
+-->
+ </ul>
+ </dl>
+ </td>
+ <td><p>
+<!--Solaris 10 not yet available
+-->
+ </p>
+ </td>
+ <td>
+ <ul>
+<!--Not yet available
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-x86-NetBSD.tar.bz2">Unicode</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-x86-NetBSD.extra.tar.bz2">Unicode extras</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-non-unicode-x86-NetBSD.tar.bz2">Non-Unicode</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-non-unicode-x86-NetBSD.extra.tar.bz2">Non-Unicode extras</a></li>
+-->
+ </ul>
+ </td>
+ <td>
+ <ul>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-sparcv9-solaris8.tar.bz2">Unicode</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-sparcv9-solaris8.extra.tar.bz2">Unicode extras</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-non-unicode-sparcv9-solaris8.tar.bz2">Non-Unicode</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-non-unicode-sparcv9-solaris8.extra.tar.bz2">Non-Unicode extras</a></li>
+ </ul>
+ </td>
+ <td>
+ <ul>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-src-20a.tar.bz2">Source code</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/release-20a.txt">Release notes for 20b</a></li>
+ </ul>
+ </td>
+ </tr>
+ <tr>
<th>20b-pre2</th>
<td>
<ul>
- <li><a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-pre2-x86-linux.tar.bz2">Unicode</a></li>
- <li><a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-pre2-x86-linux.extra.tar.bz2">Unicode extras</a></li>
- <li><a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-pre2-non-unicode-x86-linux.tar.bz2">Non-Unicode</a></li>
- <li><a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-pre2-non-unicode-x86-linux.extra.tar.bz2">Non-Unicode extras</a></li>
+ <li><a href="http://common-lisp.net/project/cmucl/downloads/release/20b/pre2/cmucl-20b-pre2-x86-linux.tar.bz2">Unicode</a></li>
+ <li><a href="http://common-lisp.net/project/cmucl/downloads/release/20b/pre2/cmucl-20b-pre2-x86-linux.extra.tar.bz2">Unicode extras</a></li>
+ <li><a href="http://common-lisp.net/project/cmucl/downloads/release/20b/pre2/cmucl-20b-pre2-non-unicode-x86-linux.tar.bz2">Non-Unicode</a></li>
+ <li><a href="http://common-lisp.net/project/cmucl/downloads/release/20b/pre2/cmucl-20b-pre2-non-unicode-x86-linux.extra.tar.bz2">Non-Unicode extras</a></li>
</ul>
</td>
<td>
<ul>
- <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-pre2-x86-darwin.tar.bz2">Unicode</a></li>
- <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-pre2-x86-darwin.extra.tar.bz2">Unicode extras</a></li>
- <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-pre2-non-unicode-x86-darwin.tar.bz2">Non-Unicode</a></li>
- <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-pre2-non-unicode-x86-darwin.extra.tar.bz2">Non-Unicode extras</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/pre2/cmucl-20b-pre2-x86-darwin.tar.bz2">Unicode</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/pre2/cmucl-20b-pre2-x86-darwin.extra.tar.bz2">Unicode extras</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/pre2/cmucl-20b-pre2-non-unicode-x86-darwin.tar.bz2">Non-Unicode</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/pre2/cmucl-20b-pre2-non-unicode-x86-darwin.extra.tar.bz2">Non-Unicode extras</a></li>
</ul>
</td>
<td><p></p></td>
@@ -114,16 +170,16 @@
<td><p></p></td>
<td>
<ul>
- <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-pre2-sparcv9-solaris8.tar.bz2">Unicode</a></li>
- <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-pre2-sparcv9-solaris8.extra.tar.bz2">Unicode extras</a></li>
- <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-pre2-non-unicode-sparcv9-solaris8.tar.bz2">Non-Unicode</a></li>
- <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-20b-pre2-non-unicode-sparcv9-solaris8.extra.tar.bz2">Non-Unicode extras</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/pre2/cmucl-20b-pre2-sparcv9-solaris8.tar.bz2">Unicode</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/pre2/cmucl-20b-pre2-sparcv9-solaris8.extra.tar.bz2">Unicode extras</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/pre2/cmucl-20b-pre2-non-unicode-sparcv9-solaris8.tar.bz2">Non-Unicode</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/pre2/cmucl-20b-pre2-non-unicode-sparcv9-solaris8.extra.tar.bz2">Non-Unicode extras</a></li>
</ul>
</td>
<td>
<ul>
- <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/cmucl-src-20b-pre2.tar.bz2">Source code</a></li>
- <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/release-20b.txt">Release notes for 20b</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/pre2/cmucl-src-20b-pre2.tar.bz2">Source code</a></li>
+ <li> <a href="http://common-lisp.net/project/cmucl/downloads/release/20b/pre2/release-20b.txt">Release notes for 20b</a></li>
</ul>
</td>
</tr>
Index: cmucl-www/cmucl-www/www/index.html
diff -u cmucl-www/cmucl-www/www/index.html:1.12 cmucl-www/cmucl-www/www/index.html:1.13
--- cmucl-www/cmucl-www/www/index.html:1.12 Fri Sep 24 17:47:19 2010
+++ cmucl-www/cmucl-www/www/index.html Mon Sep 27 16:39:16 2010
@@ -68,27 +68,11 @@
Also see <a href="news/index.html">News</a> for older news.
<dl>
-<dt>2010-09 snapshot and 20b prerelease 2</dt>
+<dt><p><strong>CMUCL 20b released</strong></p></dt>
<dd><p>
- CMUCL 20b prelease 2 has been released, in preparation for the
- upcoming 20b release. Therefore there will not
- be a 2010-09 snapshot.
- <ul>
- <li> It is possible to hash NaNs (IEEE Not-a-Number)
- </li>
- <li> For SSE2 builds, = no longer signals an error if one operand is
- NaN. This matches what happens for x87.
- </li>
- <li> For SSE2 builds, <code>SIGCONTEXT-FLOAT-REGISTER</code> returned the wrong
- value for single-floats. Easily noticed when tracing a function
- with single-float arguments.
- </li>
- <li> Trac issue #36: file-position broken for utf16 and utf32.
- <code>FILE-POSITION</code> returns the correct value for UTF16
- and UTF32 when there is a BOM (byte-order mark) at the
- beginning of the file.
- </li>
- </ul>
+ CMUCL 20b has been released, For information on the changes between
+ 20b and 20a, we refer the reader to the <a http="release-20b.txt">20b release
+ notes</a>.
</dd>
</dl>
Index: cmucl-www/cmucl-www/www/news/index.html
diff -u cmucl-www/cmucl-www/www/news/index.html:1.37 cmucl-www/cmucl-www/www/news/index.html:1.38
--- cmucl-www/cmucl-www/www/news/index.html:1.37 Tue Sep 7 11:04:51 2010
+++ cmucl-www/cmucl-www/www/news/index.html Mon Sep 27 16:39:17 2010
@@ -11,6 +11,12 @@
<p>
<dl>
+<dt><p><strong>20b released</strong></p></dt>
+<dd><p>CMUCL 20b has been released. For information on the changes,
+ we refer the reader to the <a http="release-20b.txt">20b release
+ notes</a>.
+</dd>
+
<dt>2010-09 snapshot and 20b prerelease 2</dt>
<dd><p>
CMUCL 20b prelease 2 has been released, in preparation for the
Index: cmucl-www/cmucl-www/www/news/release-20b.txt
diff -u /dev/null cmucl-www/cmucl-www/www/news/release-20b.txt:1.1
--- /dev/null Mon Sep 27 16:39:17 2010
+++ cmucl-www/cmucl-www/www/news/release-20b.txt Mon Sep 27 16:39:17 2010
@@ -0,0 +1,249 @@
+========================== C M U C L 20 b =============================
+
+The CMUCL project is pleased to announce the release of CMUCL 20b.
+This is a major release which contains numerous enhancements and
+bug fixes from the 20a 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 multi-methods and a meta-object 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:
+
+ * Known issues:
+ - Executable images on Linux may not be able to be created on some
+ versions of Linux. The problem is in GNU ld which doesn't
+ allocate enough phdrs to create an executable.
+
+ * Feature enhancements:
+ - Read operations using an external format of utf8 are now much
+ faster. Some simple tests on Linux shows that read-line now
+ only takes 40% as much time. Sparc shows 60% as much time.
+ - ASCII external format added.
+ - Support for static arrays added. These are allocated in foreign
+ space and are never moved by GC. When the arrays are no longer
+ referenced, they are properly freed. To create an array, use
+ new the :ALLOCATION :MALLOC parameter to MAKE-ARRAY. Currently,
+ only arrays of character; 8, 16, and 32-bit integers (signed and
+ unsigned); single and double floats; and complex single and
+ double floats are supported.
+ - FROUND and FTRUNCATE are much faster for single and double float
+ numbers. This is not currently available for x87 (due to
+ potential roundoff errors), but is available everywhere else.
+ - Support for internationalization/localization added. Messages
+ from CMUCL can be translated, but currently only a few messages
+ in Korean are translated. For fun, there is a full Pig Latin
+ translation (done by machine).
+ - Source information (file) for defstructs and deftypes is now
+ provided. DESCRIBE will now print out the name of the file
+ where the defstruct/deftype was defined.
+ - ASDF2 and MK-DEFSYS have been added as contrib modules. Use
+ (require 'asdf) or (require 'defsystem) to load these,
+ respectively.
+ - The previous cmu-contrib module no longer exists. Just use
+ (require 'module-name) to load the desired contrib module.
+ - A new switch, -help, has been added. These print out brief
+ summary of the available command line switches and then exits.
+ You may also use --help, which is an alias for -help.
+ - Error handling has been added to external formats. Previously,
+ all external formats would silently replace bad encodings with a
+ suitable replacement character. Now, the user can specify how
+ the errors are handled by using the :DECODING-ERROR and
+ :ENCODING-ERROR parameters to OPEN. The default is the previous
+ behavior.
+
+ For decoding-error, a character, symbol, or function
+ can be given. If a character, then that character is used as
+ the replacement character. For a symbol or function, it must be
+ a function of 3 arguments: a message string, the offending
+ octet (or nil), and the number of octets read in the encoding.
+ If the function returns, it must be the codepoint of the desired
+ replacement.
+
+ For encoding-error, a character, symbol, or function can be
+ given. If a character, then that character is used as the
+ replacement character. For a symbol or function, it must be a
+ function of 2 arguments: a message string and the offending
+ codepoint. If the function returns, it must be the codepoint of
+ the desired replacement.
+ - Add EXT:LIST-ALL-EXTERNAL-FORMATS to list all known external
+ formats and their aliases.
+ - ADD EXT:DESCRIBE-EXTERNAL-FORMAT to print a description of the
+ specified external format. To support this, the macros
+ DEFINE-EXTERNAL-FORMAT and DEFINE-COMPOSING-EXTERNAL-FORMAT have
+ changed.
+ - The sparc port now supports the :executable feature.
+ - The Mac OS X port now support the :executable feature.
+
+ * ANSI compliance fixes:
+ - COMPILE will update the macro-function if the specified name
+ names a macro. (Previously, the fdefinition of the name was
+ set.)
+ - WITH-STANDARD-IO-SYNTAX uses the standard pprint dispatch table
+ now instead of the current table.
+ - PRINC-TO-STRING binds *PRINT-READABLY* to NIL as required.
+ Previously, it used the current value of *PRINT-READABLY*.
+ - DEFCLASS signals an error if the class name already names a
+ DECLARATION.
+ - The :METHOD-CLASS argument to ENSURE-GENERIC-FUNCTION can be a
+ class object as well as a name.
+ - Recognize but ignore the :DECLARE argument to
+ ENSURE-GENERIC-FUNCTION.
+ - Default documentation for short form of
+ DEFINE-METHOD-COMBINATION is NIL, not "".
+ - DEFINE-COMPILER-MACRO no longer sets the wrong block name for
+ SETF functions. We also check that the name is a valid function
+ name; an error is signalled if it's invalid.
+ - DELETE-FILE, ENSURE-DIRECTORIES-EXIST, FILE-AUTHOR,
+ FILE-WRITE-DATE, and OPEN now merge the given pathname with
+ *DEFAULT-PATHNAME-DEFAULTS* as required by CLHS sec 19.2.3.
+
+ * Bugfixes:
+ - On Unicode builds, printing of '|\|| and '|`| was incorrect
+ because no escapes were printed. This is fixed now.
+ - Fixed issue with SSE2 support. The vops for complex +/- float
+ would add random junk to the imaginary part of the result.
+ - UNIX-SYSINFO was broken for Unicode builds, which affected
+ MACHINE-TYPE and MACHINE-VERSION.
+ - Type predicates for double-double float and complex
+ double-double float arrays are now done inline.
+ - UNIX:UNIX-EXECVE was not converting Lisp strings to C strings on
+ Unicode builds.
+ - When continuing from the INTEXP-LIMIT-ERROR condition (for
+ raising an integer to a large integer power) and setting a new
+ limit, the limit was set to the power. We really wanted the
+ absolute value of the power to used as the new limit.
+ - FILE-POSITION was returning incorrect values for file streams on
+ Unicode builds. This is fixed now.
+ - The error-output and trace-file files for COMPILE-FILE are now
+ opened using the same external format as specified in
+ COMPILE-FILE. Previously, they were opened using the default
+ external format. This meant that these files could lose
+ information if the default format could not represent the
+ characters in the source file.
+ - Handling of source files in the debugger is better now for
+ Unicode builds. The source files are opened using the same
+ format as used to compile them. Previously, the default format
+ was used, which would be wrong if the file is in a different
+ format.
+ - CMUCL no longer segfaults on Linux when running on a kernel
+ without COMPAT_BRK. CMUCL will set the personality
+ appropriately and re-exec itself.
+ - GET-MACRO-CHARACTER would return the wrong second value because
+ *READTABLE* was always being used instead of the specified
+ readtable.
+ - COMPILE-FILE was generating an error when compiling COMPILE
+ forms. This is fixed.
+ - A critical bug in SSE2 support has been fixed. Multiplying a
+ complex single-float by a single-float produced the wrong
+ result.
+ - Fix issue where CMUCL does not correctly handle FLETs in
+ DEFMETHOD bodies which use the same name as that of the generic
+ function. The generic function was called instead of the local
+ function.
+ - CMUCL would fail to compile external formats if *readtable* was
+ not the standard readtable. This is fixed by using the standard
+ I/O syntax when compiling the external format.
+ - The debugger help message is updated to reflect the actual
+ options for L and PP commands. Help for the DESCRIBE command
+ has been added.
+ - CMUCL now signals a cerror when attempting to redefine a slot
+ accessor via DEFUN or COMPILE. If continued, the accessor is
+ redefined, and CMUCL assumes the new definition is usable as a
+ slot accessor. Previously, CMUCL would print a warning and
+ undefine the structure.
+ - An issue with SSE2 and GC hooks has been fixed. This shows up
+ when doing arithmetic with GC hooks that use the SSE registers.
+ The SSE state is saved along with the x87 state.
+ - GCD of positive integers no longer returns a negative result for
+ certain arguments.
+ - CMUCL no longer crashes on Mac OS X if the dynamic space size is
+ too large. This was caused by an erroneous value for the
+ maximum dynamic space size.
+ - When printing out argument values in the debugger and also
+ during TRACE, the incorrect values were returned for the SSE2
+ core. This was caused by using the x87 values instead of the
+ sse2 values in the sigcontext. This is fixed now.
+ - A critical bug in the fast Unicode stream buffering routine has
+ been fixed. This bug manifests itself by causing valid
+ sequences to be incorrectly decoded, resulting in a replacement
+ character.
+ - UTF-8 correctly catches overlong sequences now. Previously,
+ overlong sequences were missed.
+ - When UTF-8 decoder encounters an overlong sequence, a surrogate
+ code point, or a too-large codepoint, the entire sequence is
+ converted to the replacement character. Previously, all of the
+ octets except the first were put back, and the data read again.
+ - Some GC improvements for sparc and ppc. (Changes for ppc
+ untested). GC could incorrectly move the PC and other
+ registers, causing a segfault.
+ - A bug inadvertently introduced in the 2010-04 non-unicode
+ snapshot has been fixed. The bug prevented the non-unicode
+ versions of CMUCL from loading the external format aliases
+ file.
+ - With SSE2, the imaginary part of a (complex single-float) is now
+ returned correctly.
+ - The method used to create executable images for Linux has been
+ cleaned up and should be far more robust against different
+ versions of the OS. The same is true on sparc as well as Mac OS
+ X.
+ - It is possible to hash NaNs now. (Previously gave an invalid
+ operation exception.)
+ - For SSE2 builds, = no longer signals an error if one operand is
+ NaN. This matches what happens for x87.
+ - For SSE2 builds, SIGCONTEXT-FLOAT-REGISTER returned the wrong
+ value for single-floats. Easily noticed when tracing a
+ function with single-float arguments.
+ - The table for Unicode 1.0 names was constructed incorrectly.
+ Thus, UNICODE-1.0-NAME would return the wrong names for many
+ (all?) codepoints.
+
+ * Trac Tickets:
+ #33: get-dispatch-macro-character doesn't signal errors in
+ compiled code
+ Fixed.
+ #22: sun4_solaris_sunc config uses gcc to build motif
+ This is fixed. If Sun C is used to build lisp, it is also used
+ to build motifd.
+ #39: non-standard lexical syntax
+ The reader macros are no longer installed by default.
+ #36: file-position broken for utf16 and utf32.
+ FILE-POSITION returns the correct value for UTF16 and UTF32 when
+ there is a BOM in the file.
+
+ * Other changes:
+ - :freebsd4 is no longer a *feature*
+ - Added UNIX-GETENV, UNIX-SETENV, UNIX-PUTENV, and UNIX-UNSETENV,
+ in the UNIX package to allow access to these C functions.
+ - OCTETS-TO-STRING has changed.
+ o The output string is no longer automatically extended.
+ o Parameters can be given to specify the start and end of the
+ octet array and for the start and end of the string.
+ (These all default to the beginning and end of the arrays.)
+ - UNIX-GETRLIMIT added for solaris and darwin/x86.
+ - TRANSLATE-PATHNAMES now creates the resulting path to be an
+ absolute or relative path according to whether the TO pathname
+ is absolute or relative. Previously, the result was taken from
+ the SOURCE pathname, except if TO were absolute, in which case
+ the result was absolute.
+ - Add MAC as an alias to the CR composing external format.
+
+ * Improvements to the PCL implementation of CLOS:
+
+ * Changes to building procedure:
+
+This release is not binary compatible with code compiled using CMUCL
+20a; 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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