[Json] ABNF nits -- LAST CHANCE ON PROPOSALS

Paul Hoffman <paul.hoffman@vpnc.org> Tue, 11 June 2013 17:32 UTC

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From: Paul Hoffman <paul.hoffman@vpnc.org>
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Date: Tue, 11 Jun 2013 10:32:48 -0700
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Subject: [Json] ABNF nits -- LAST CHANCE ON PROPOSALS
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Greetings again. We currently have one rolled-up proposal for ABNF nit fixes for RFC 4627. If you have other nits to fix, please do so now on this thread. The ABNF below is separated by the text sections where it appears.

Note that these are fixes that apply only to RFC 4627. Other proposals change some of the ABNF, but those are being dealt with in their own threads.

--Paul Hoffman

JSON-text = object / array

begin-array     = ws %x5B ws  ; [ left square bracket
begin-object    = ws %x7B ws  ; { left curly bracket
end-array       = ws %x5D ws  ; ] right square bracket
end-object      = ws %x7D ws  ; } right curly bracket
name-separator  = ws %x3A ws  ; : colon
value-separator = ws %x2C ws  ; , comma

ws = *(
     %x20 /              ; Space
     %x09 /              ; Horizontal tab
     %x0A /              ; Line feed or New line
     %x0D                ; Carriage return
     )

value = false / null / true / object / array / number / string
false = %x66.61.6c.73.65   ; false
null  = %x6e.75.6c.6c      ; null
true  = %x74.72.75.65      ; true

object = begin-object [ member *( value-separator member ) ]
         end-object
member = string name-separator value

array = begin-array [ value *( value-separator value ) ] end-array

number = [ minus ] int [ frac ] [ exp ]
decimal-point = %x2E       ; .
digit1-9 = %x31-39         ; 1-9
e = %x65 / %x45            ; e E
exp = e [ minus / plus ] 1*DIGIT
frac = decimal-point 1*DIGIT
int = zero / ( digit1-9 *DIGIT )
minus = %x2D               ; -
plus = %x2B                ; +
zero = %x30                ; 0

string = quotation-mark *char quotation-mark
char = unescaped /
    escape (
        %x22 /          ; "    quotation mark  U+0022
        %x5C /          ; \    reverse solidus U+005C
        %x2F /          ; /    solidus         U+002F
        %x62 /          ; b    backspace       U+0008
        %x66 /          ; f    form feed       U+000C
        %x6E /          ; n    line feed       U+000A
        %x72 /          ; r    carriage return U+000D
        %x74 /          ; t    tab             U+0009
        %x75 4HEXDIG )  ; uXXXX                U+XXXX
escape = %x5C              ; \
quotation-mark = %x22      ; "
unescaped = %x20-21 / %x23-5B / %x5D-10FFFF

HEXDIG = DIGIT / %x41-46 / %x61-66   ; 0-9, A-F, or a-f
       ; HEXDIG equivalent to HEXDIG rule in [RFC5234]
DIGIT = %x30-39            ; 0-9
      ; DIGIT equivalent to DIGIT rule in [RFC5234]