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Re: [Json] Proposal for strings/Unicode text

John Cowan <cowan@mercury.ccil.org> Mon, 17 June 2013 14:14 UTC

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Date: Mon, 17 Jun 2013 10:14:09 -0400
From: John Cowan <cowan@mercury.ccil.org>
To: Paul Hoffman <paul.hoffman@vpnc.org>
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References: <20130613121620.GB11739@mercury.ccil.org> <A723FC6ECC552A4D8C8249D9E07425A70FC47B42@xmb-rcd-x10.cisco.com> <255B9BB34FB7D647A506DC292726F6E1151B931064@WSMSG3153V.srv.dir.telstra.com> <9DC91218-B255-4CA2-8337-41F7135A90BD@vpnc.org>
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Cc: "Manger, James H" <james.h.manger@team.telstra.com>, json@ietf.org
Subject: Re: [Json] Proposal for strings/Unicode text
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Paul Hoffman scripsit:

> >  unescaped = %x20-21 / %x23-5B / %x5D-D7FF / %xE000-10FFFF
> >    ; any Unicode scalar value, except those that must be escaped
> >    ; (control characters, quotation mark, and reverse solidus)
> 
> Making comments in ABNF that disagree with the ABNF itself
> seems like a completely terrible idea that will lead to lack of
> interoperability. Complicated ABNF is better than simple ABNF that
> has contradictory comments.

Where's the contradiction?  The prose says exactly what the ABNF says.
%22 (quotation mark), %5C (backslash), and %D800 through %DFFF (surrogate
pairs) are left out of the full Unicode range.

-- 
No saves, Antonio, loke es morirse en su lingua. Es komo            John Cowan
kedarse soliko en el silensyo kada dya ke Dyo da, komo          cowan@ccil.org
ser sikileoso sin saver porke.                      http://www.ccil.org/~cowan
                        --Marcel Cohen, 1985

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