RFC 2234, "Augmented BNF for Syntax Specifications: ABNF", November 1997

Note: This RFC has been obsoleted by RFC 4234

Errata ID: 472
Status: Verified
Type: Technical
Publication Format(s) : TEXT
Reported By: Tanaka Akira
Date Reported: 2001-11-19

Section 3.9 says:

3.9  ; Comment

   A semi-colon starts a comment that continues to the end of line.
   This is a simple way of including useful notes in parallel with the
   specifications.

        comment        =  ";" *(WSP / VCHAR) CRLF

It should say:

   char-val       =  DQUOTE *(%x20-21 / %x23-7E) DQUOTE
                          ; quoted string of SP and VCHAR
                             without DQUOTE

   prose-val      =  "<" *(%x20-3D / %x3F-7E) ">"
                          ; bracketed string of SP and VCHAR
                             without angles
                          ; prose description, to be used as
                             last resort

   CHAR           =  %x01-7F
                          ; any 7-bit US-ASCII character,
                             excluding NUL

Notes:

Should be:
char-val = DQUOTE *(%x20-21 / %x23-7E) DQUOTE
; quoted string of SP and VCHAR
; without DQUOTE

prose-val = "<" *(%x20-3D / %x3F-7E / c-wsp) ">"
; bracketed, possibly multiline string
; of SP and VCHAR without angles
; prose description, to be used as
; last resort

CHAR = %x01-7F
; any 7-bit US-ASCII character,
; excluding NUL

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