Found 3 records.

Status: Reported (3)

RFC 9051, "Internet Message Access Protocol (IMAP) - Version 4rev2", August 2021

Errata ID: 6826
Status: Reported
Type: Technical
Publication Format(s) : HTML
Reported By: Hontvári Levente
Date Reported: 2022-02-02

Throughout the document, when it says:

   18.  RFC822, RFC822.HEADER, and RFC822.TEXT FETCH data items were
        deprecated.  Clients should use the corresponding BODY[]
        variants instead.

It should say:

   18.  RFC822, RFC822.HEADER, and RFC822.TEXT FETCH data items were
        removed. Clients should use the corresponding BODY[]
        variants instead.

Notes:

Contrary to the original text, these data items are not deprecated but they were completely removed from the text of the RFC. As far as I see other deprecated items are not removed completely but moved to a '...obsolete...' token in the formal syntax.

Errata ID: 7246
Status: Reported
Type: Technical
Publication Format(s) : TEXT
Reported By: Mechiel Lukkien
Date Reported: 2022-11-12

Section 7.5.2. says:

   BINARY[<section-binary>]<<number>>
      An <nstring> or <literal8> expressing the content of the specified
      section after removing any encoding specified in the corresponding
      Content-Transfer-Encoding header field.  If <number> is present,
      it refers to the offset within the DECODED section data.

It should say:

   BINARY[<section-binary>]
      An <nstring> or <literal8> expressing the content of the specified
      section after removing any encoding specified in the corresponding
      Content-Transfer-Encoding header field.

Notes:

While a FETCH _request_ can be "partial" with <...> for both BODY[] and BINARY[], only a FETCH _response_ for BODY[] can have an optional offset. A FETCH _response_ for BINARY[] cannot have an optional offset. At least according to the ABNF, which I believe is leading.
See lines 6756 and 6757: msg-att-static = "BODY" section ["<" number ">"] SP nstring / "BINARY" section-binary SP (nstring / literal8)
And line 6987: section-binary = "[" [section-part] "]"

RFC 3516, IMAP4 Binary Content Extension, from which the original text was probably copied, appears to have the same issue but no errata.

Errata ID: 7323
Status: Reported
Type: Technical
Publication Format(s) : TEXT
Reported By: Nicholas Evans
Date Reported: 2023-01-26

Section 6.4.4.4. says:

        S: B283 NO [BADCHARSET UTF-8] KOI8-R is not supported

It should say:

        S: B283 NO [BADCHARSET (UTF-8)] KOI8-R is not supported

Notes:

The BADCHARSET response code is described in 7.1 as "Optionally followed by a parenthesized list of charsets", and in the formal syntax as:

resp-text-code =/ "BADCHARSET" [SP "(" charset *(SP charset) ")" ]

Although a client's parser might use a generic resp-text-code (atom [SP 1*<any TEXT-CHAR except "]">]) as a fallback, the server should parenthesize even when only one charset is sent.

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