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Robby Findler 17451d9662 Revert "change recursive-contract to reject cyclic values"
This reverts commit d664ee1430.

This commit broke recursive-contract because it disallowed any sharing,
not just cycles. And fixing this in the obvious way leads to about a 20x
slowdown (compared to v6.0's recursive-contract) on the micro-benchmark
mentioned in the original change to recursive contract.

So, for now, just go back to accepting cycles.
2014-06-13 03:02:19 -05:00
native-pkgs@8988164a6e win64: fix longdouble DLL 2014-04-27 16:51:23 -06:00
pkgs Revert "change recursive-contract to reject cyclic values" 2014-06-13 03:02:19 -05:00
racket Revert "change recursive-contract to reject cyclic values" 2014-06-13 03:02:19 -05:00
.gitattributes Don't include git files in archives. 2010-05-12 01:46:05 -04:00
.gitignore Add add-on to .gitignore. 2013-07-04 11:51:53 -04:00
.gitmodules access "native-pkgs" as a git submodule 2013-07-26 22:36:20 -06:00
.mailmap mailmap updates & fixes. 2013-04-03 18:10:22 -04:00
.travis.yml Enable OS X testing on Travis. 2014-05-14 11:00:24 -04:00
INSTALL.txt add unix-style makefile target 2014-05-20 09:01:40 +01:00
Makefile Makefile: add IF EXISTS guard on del for a Win32 target 2014-05-22 17:52:51 +01:00
README.txt 2013 -> 2014 2014-01-21 15:02:21 -05:00

This is the source code for the main Racket distribution.  See
"INSTALL.txt" for information on building Racket.

License
-------

Racket
Copyright (c) 2010-2014 PLT Design Inc.

Racket is distributed under the GNU Lesser General Public License
(LGPL).  This means that you can link Racket into proprietary
applications, provided you follow the rules stated in the LGPL.  You can
also modify Racket; if you distribute a modified version, you must
distribute it under the terms of the LGPL, which in particular means
that you must release the source code for the modified software.  See
racket/src/COPYING_LESSER.txt for more information.