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Re: [Scheme-reports] inconsistent use of \| escape
Alex Shinn scripsit:
> On Sat, Sep 28, 2013 at 2:35 AM, Per Bothner <per@x> wrote:
> > Section 6.7 "Strings" lists '\|' as an escape sequence valid in strings.
> > However, 7.1.1 "Lexical structure" does *not* show '\|' as valid syntax
> > in <string element> - it does not match <mnemonic escape>.
> > OTOH <symbol element> explicitly lists '\|'.
> > I assume the formal syntax is correct, and 6.7 needs some editorial
> > tweaking.
> Yes, the formal syntax is correct.
That turns out not to be the case. See ticket #390, which as chair you
decided to treat as editorial in your 6th ballot announcement at
I simply forgot to update the formal syntax in revision 580:adb8521923be.
Fortunately, Chibi implements it.
(Doing everything on the record is *such* a win.)
> There's no reason to use \| in a string since | by itself is perfectly
True, but it's conceptually simpler to have only one set of escapable
characters across both strings and symbols.
John Cowan cowan@x http://ccil.org/~cowan
It's the old, old story. Droid meets droid. Droid becomes chameleon.
Droid loses chameleon, chameleon becomes blob, droid gets blob back
again. It's a classic tale. --Kryten, Red Dwarf
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