[racket] specifying strings without escaping backslash

From: Laurent (laurent.orseau at gmail.com)
Date: Thu Dec 5 05:30:42 EST 2013

On Wed, Dec 4, 2013 at 11:47 PM, Harry Spier <vasishtha.spier at gmail.com>wrote:

> 2)
> What am I doing wrong here.  -- everything :-)
> I'm trying to change the command character from @ to #  so that I can have
> raw strings containing both \ and @
> looking at the racket documentation here:
> http://docs.racket-lang.org/scribble/reader-internals.html?q=at-exp#%28def._%28%28lib._scribble%2Freader..rkt%29._make-at-readtable%29%29
> I've done this:
> #lang at-exp racket
> (require scribble/reader)
> (use-at-readtable #:command-char #\#)
> (define RAW string-append)
> (display #RAW{C:\Users\Harry\SANSKRIT\GRETIL ALL\adyappu.htm})
> (display #RAW{harryspier at hotmail.com})

I don't know enough about readtables to help you here, but it seems that
`use-at-readtable' is only for the REPL:

Someone ought to build the `at-any-exp' language Matthew was talking about
a few days ago, so that one can write
#lang at-any-exp $ racket
$~a{Yay, dollar-exp syntax!}

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