[racket-dev] Release Announcement for v5.3.1

Is the first one is something new? Otherwise, I'm not sure that any of
these should be in the release announcement, unless maybe there's something
I'm missing about the changes?

Robby

On Sunday, October 28, 2012, Vincent St-Amour wrote:

> At Wed, 24 Oct 2012 20:29:43 -0400,
> Ryan Culpepper wrote:
> > stamourv:
> >   - scheme language deprecation notice (68260a6c86)
> >   - compat: packages, mutable lists (800a328fe6)
> >   - NaN included in all float types (a6d5a98b61)
>
> * The `#lang scheme' language is deprecated. `#lang racket' should be
>   used instead.
>
> * The `compatibility' collection provides features from Racket relatives,
>   such as `defmacro' and mutable lists. These features are provided to
>   ease porting code to Racket. We do not recommend using them in modern
>   Racket code.
>
> * NaN is included in all of Typed Racket's floating-point types, which
>   makes precise floating-point types easier to use.
>
> * Typed Racket provides the `:query-type/args' and `:query-type/result'
>   utilities to explore types at the REPL.
>
> * Screenshots of the widgets provided by the Racket GUI library are
>   included in the documentation. (Thanks to Diogo F. S. Ramos.)
>
> >   - optimization coach changes?
>
> Nothing major.
>
>
> Vincent
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>   http://lists.racket-lang.org/dev
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