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Matthew Flatt fc955b99f3 quasisyntax: recognize unsyntax in a box 
This is a backward-incompatible change, but I think it's unlikely that
any code intentionally uses `unsyntax` or `unsyntax-splicing` within a
syntax-quoted box and expects it to stay literal.

Meanwhile, as @rocketnia noted, the documentation for `quasiquote` was
unclear about the espacing positions for `unquote` and
`unquote-splicing`, so this commit impoves that documentation. It
adjusts the documentation for `quasisyntax` to note that a hash table
value position is not an escape position, unlike for `quasiquote`.
(The lack of an escape position within hash tables is consistent with
`syntax`. That's arguably inconsistent with `quasiquote`, but it seems
simpler to leave that alone, and changing `syntax` just might matter
for existing code.)

Closes #3656
2021-05-05 16:46:37 -06:00
.github Run workflow directly in VM (#3731) 2021-03-19 18:23:29 +01:00
pkgs quasisyntax: recognize unsyntax in a box 2021-05-05 16:46:37 -06:00
racket quasisyntax: recognize unsyntax in a box 2021-05-05 16:46:37 -06:00
.gitattributes Don't include git files in archives. 2010-05-12 01:46:05 -04:00
.gitignore Fix typo. 2019-06-21 12:32:37 -05:00
.lgtm.yml Fetch PB to start LGTM build 2020-08-07 12:17:17 +02:00
.mailmap Minor metadata changes. 2019-10-15 08:09:32 -04:00
.makefile makefile: fix pb-fetch after starting with --single-branch mode 2021-05-03 16:42:01 -06:00
build.md build guide: Chez Scheme for Racket is no longer in a separate repo 2021-04-07 06:50:42 -06:00
LICENSE update LICENSE to use "CS" and "BC" 2021-01-15 09:32:59 -07:00
Makefile makefile: fix pb-fetch after starting with --single-branch mode 2021-05-03 16:42:01 -06:00
README.md Fix README 2020-09-06 09:03:42 -04:00

README.md

Racket is a general-purpose programming language and an ecosystem for language-oriented programming.

This repository holds the source code for the core of Racket plus some related packages. The rest of the Racket distribution source code is in other repositories, mostly under the Racket GitHub organization.

Quick Start

Pre-built versions of Racket for a variety of operating systems and architectures, as well as convenient source distributions are available at

https://download.racket-lang.org

Racket comes with extensive documentation, including several tutorials. You can read all of this documentation, as well as documentation for third-party packages at

https://docs.racket-lang.org

Building from Source

For information on building Racket from this repository, see the Build Guide.

Contributing

Contribute to Racket by submitting a pull request, joining the development mailing list, or visiting the IRC or Slack channels.

By making a contribution, you are agreeing that your contribution is licensed under the LGPLv3, Apache 2.0, and MIT licenses. Those licenses are available in this repository in the files racket/src/LICENSE-LGPL.txt, racket/src/LICENSE-APACHE.txt, and racket/src/LICENSE-MIT.txt.

See the Racket Build Guide for more guidance on contributing.

The Friendly Environment Policy contains guidelines on expected behavior within the Racket community.

License

Racket is free software; see LICENSE for more details.