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RFC 2978, "IANA Charset Registration Procedures", October 2000

Errata ID:5433
Status: Verified
Type: Technical
Publication Format(s) : TEXT
Reported By: Julian Reschke
Date Reported: 2018-07-22
Verifier Name: Alexey Melnikov
Date Verified: 2018-09-20

Section 2.3 says:

mime-charset-chars = ALPHA / DIGIT /            "!" / "#" / "$" / "%" / "&" /            "'" / "+" / "-" / "^" / "_" /            "`" / "{" / "}" / "~"

It should say:

mime-charset-chars = ALPHA / DIGIT /            "!" / "#" / "$" / "%" / "&" /            "+" / "-" / "^" / "_" / "`" /            "~"

Notes:

HTTP (RFC 7231, Section 3.1.1.2) uses "token" in Accept-Charset. However, token does not allow for curly braces (see RFC 7230, Section 3.2.6). The IANA charset registry does not contain registered names with curly braces, so it would be good to disallow them completely.

(Note that the corrected ABNF incorporates the change for <https://www.rfc-editor.org/errata/eid1912>)

Alexey: Taking into consideration that this RFC is unlikely to be revised, I am approving this erratum, instead of insisting on a new version of the RFC that incorporates this change.

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