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Re: [Json] Proposal for strings/Unicode text

Paul Hoffman <paul.hoffman@vpnc.org> Mon, 17 June 2013 17:27 UTC

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From: Paul Hoffman <paul.hoffman@vpnc.org>
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Date: Mon, 17 Jun 2013 10:27:43 -0700
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To: Joe Hildebrand <jhildebr@cisco.com>
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Subject: Re: [Json] Proposal for strings/Unicode text
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On Jun 17, 2013, at 10:21 AM, Joe Hildebrand (jhildebr) <jhildebr@cisco.com> wrote:

> On 6/16/13 11:02 PM, "Manger, James H" <James.H.Manger@team.telstra.com>
> wrote:
> 
>> Fixing typos and tweaking the comment:
>> 
>> 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)
> 
> After discussion, this?
> 
> unescaped = %x20-21 / %x23-5B / %x5D-D7FF / %xE000-10FFFF
> ; any Unicode scalar value, except those that must be escaped
> ; (C0 control characters,
> ;  "QUOTATION MARK" [U+0022], and
> ;  "REVERSE SOLIDUS" [U+005C])
> 
> The caps and codepoint references make it clear we're only talking about
> those precise codepoints.
> 
> Others may argue that non-C0 control characters should be prohibited, but
> that's a separate backward-compatibility argument from this starting point.

What value is that comment? Doesn't it invite misinterpretation of the ABNF, which is exact?

--Paul Hoffman

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