Re: [Scheme-reports] 6.3.5 strings

[Eli Barzilay <eli@x>]

7 hours ago, John Cowan wrote:
> Andy Wingo scripsit:
> 
> > Along those lines, an escaped embedded newline, like:
> >
> >    "asdadf \ asdfadf"
> >
> > in R6RS has the same meaning as "asdf asdfadf".  It allows you to
> > nicely indent strings that you need to line-break for width.  I
> > suggest that the production
> >
> >   \ NEWLINE WHITESPACE*
> >
> > within string literals be elided.
> 
> Ticket filed.
> 
> > Later the spec mentions that implementations may generalize string=?
> > et al to take more than two arguments.  Does the spec need to actually
> > mention this?  The R6RS, while a good document in many ways, had a
> > very prohibitionist feel to it.  In contrast this draft is a bit more
> > permissive, and to its credit, probably.  In that spirit there is no
> > need to mention extensions, as they are always possible, unless they
> > are particularly recommended, for which in this case there appears no
> > cause.
> 
> Well, it turns out that Racket, Gambit, Guile, Chez, Ikarus,
> Larceny, Ypsilon, Mosh, and Scheme 9 support it, whereas Gauche,
> MIT, Chicken, Bigloo, Scheme48/scsh, Kawa, SISC, Chibi, STklos, and
> SSCM don't.  I've filed a ticket to require support, under the
> rubric of consistency with the numeric comparisons.

Racket does not.

(Yes, I know why you think it does, it's a meta point about the
bogosity of counting implementations, which is done too often IMO.)

-- 
          ((lambda (x) (x x)) (lambda (x) (x x)))          Eli Barzilay:
                    http://barzilay.org/                   Maze is Life!

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