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

Source of RFC: Legacy

Errata ID: 1912
Status: Verified
Type: Technical

Reported By: Ned Freed
Date Reported: 2009-10-13
Verifier Name: Alexey Melnikov
Date Verified: 2018-09-21

Section 2.3 says:

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

It should say:

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

Notes:

RFC 2231 uses single quotes as delimiters around charset names. As such, single quote should have been excluded from the list of legal characters that can appear in a charset name.

Note that this Erratum was further updated by <https://www.rfc-editor.org/errata/eid5433>
to make the list of characters even more restrictive.

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