[racket] Support for R7RS-small?

Hi Sam,

I probably have neither the skill, nor the time. But what the heck, I'll
start poking. In the end I probably won't get far, but I will have learned
a little Racket and a little Scheme... There are worse fates in this world
than that.

So, let's see... I start by copying the R5RS directory (seems like a
sensible place to start):

$ cp /usr/local/racket/collects/r5rs ~/.racket/5.3.6/collects/r7rs
$ cd ~/.racket/5.3.6/collects/r7rs
$ mv r5rs.rkt r7rs.rkt
$ mv r5rs.scrbl r7rs.scrbl
$ ls
compiled/  info.rkt  init.rkt  lang/  lang.rkt  main.rkt  private/
 r7rs.rkt  r7rs.scrbl  run.rkt


So, I start by opening info.rkt and I see this:

(define scribblings '(("r5rs.scrbl" (multi-page) (legacy 50))))


Could someone tell me what the "(legacy 50)" means, and what a reasonable
value would be for R7RS? For now I chose "(language 1)" which I copied from
the R6RS info.rkt file, but I have no idea what I'm doing.

Cheers,
Daniel.




On 28 February 2014 15:30, Sam Tobin-Hochstadt <samth at cs.indiana.edu> wrote:

> I don't know -- it would certainly be jumping in at the deep end, but
> it all depends on the user in question.
>
> Sam
>
> On Fri, Feb 28, 2014 at 9:27 AM, Daniel Carrera <dcarrera at gmail.com>
> wrote:
> > Is that a task suitable for a new user?
> >
> > Daniel.
> >
> >
> > On 28 February 2014 15:06, Sam Tobin-Hochstadt <samth at cs.indiana.edu>
> wrote:
> >>
> >> Right now, I think most Racketeers are focused on making Racket the
> >> best Racket we can, rather than on Scheme, so I don't know of anyone
> >> currently planning to work on this. However, the flexibility of Racket
> >> means that it should be quite reasonable to adapt the existing R6RS
> >> and R5RS implementation to produce a package that supports R7RS. If
> >> you wanted to work on this, I'm sure there would be plenty of people
> >> on this list who could give you pointers.
> >>
> >> Sam
> >>
> >> On Fri, Feb 28, 2014 at 7:49 AM, Daniel Carrera <dcarrera at gmail.com>
> >> wrote:
> >> > Hello,
> >> >
> >> > I am a fairly new user of Scheme and Racket. My question is, now that
> >> > R7RS-small is out, when can I expect to see support added to Racket /
> >> > DrRacket? In other words, I would like to be able to type "#lang r7rs"
> >> > in a
> >> > way analogous to how today I can enter "#lang r5rs" and "#lang r6rs".
> >> >
> >> > Given that R7RS-small is not that much larger than R5RS, how difficult
> >> > would
> >> > it be for Racket developers to include it? From my naive point of
> view,
> >> > I
> >> > suppose that the main obstacle is adding the R7RS-compliant library
> >> > support.
> >> > Everything else that I see in the spec seems to already exist in
> default
> >> > Racket.
> >> >
> >> > Cheers,
> >> > Daniel.
> >> > --
> >> > When an engineer says that something can't be done, it's a code phrase
> >> > that
> >> > means it's not fun to do.
> >> >
> >> > ____________________
> >> >   Racket Users list:
> >> >   http://lists.racket-lang.org/users
> >> >
> >
> >
> >
> >
> > --
> > When an engineer says that something can't be done, it's a code phrase
> that
> > means it's not fun to do.
>



-- 
When an engineer says that something can't be done, it's a code phrase that
means it's not fun to do.
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